Submitted URL: http://ctfd.io/
Effective URL: https://ctfd.io/
Submission: On March 26 via api from US — Scanned from DE

Summary

This website contacted 10 IPs in 2 countries across 8 domains to perform 46 HTTP transactions. The main IP is 2606:4700:3030::ac43:b99f, located in United States and belongs to CLOUDFLARENET, US. The main domain is ctfd.io. The Cisco Umbrella rank of the primary domain is 393968.
TLS certificate: Issued by E1 on February 26th 2024. Valid for: 3 months.
This is the only time ctfd.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
32 ctfd.io
ctfd.io — Cisco Umbrella Rank: 393968
2 MB
5 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 449
21 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 101
region1.google-analytics.com — Cisco Umbrella Rank: 1803
21 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 112
ajax.googleapis.com — Cisco Umbrella Rank: 728
32 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 108
87 KB
1 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 389
9 KB
1 gstatic.com
fonts.gstatic.com
50 KB
1 bootstrapcdn.com
netdna.bootstrapcdn.com — Cisco Umbrella Rank: 7721
5 KB
46 8
Domain Requested by
32 ctfd.io ctfd.io
ajax.googleapis.com
5 cdn.jsdelivr.net ctfd.io
cdn.jsdelivr.net
2 www.google-analytics.com ctfd.io
www.google-analytics.com
1 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com www.google-analytics.com
1 cdnjs.cloudflare.com ctfd.io
1 ajax.googleapis.com ctfd.io
1 fonts.gstatic.com fonts.googleapis.com
1 netdna.bootstrapcdn.com ctfd.io
1 fonts.googleapis.com ctfd.io
46 10
Subject Issuer Validity Valid
ctfd.io
E1
2024-02-26 -
2024-05-26
3 months crt.sh
upload.video.google.com
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh
bootstrapcdn.com
GTS CA 1P5
2024-01-28 -
2024-04-27
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-05-02 -
2024-05-01
a year crt.sh
*.gstatic.com
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh

This page contains 1 frames:

Primary Page: https://ctfd.io/
Frame ID: FB0454062FA724B640FDCB1C8DA16FE7
Requests: 46 HTTP requests in this frame

Screenshot

Page Title

CTFd : The Easiest Capture The Flag Platform

Page URL History Show full URLs

  1. http://ctfd.io/ HTTP 307
    https://ctfd.io/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • moment(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link [^>]+(?:/([\d.]+)/)?slick-theme\.css
  • (?:/([\d.]+))?/slick(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Overall confidence: 100%
Detected patterns
  • <link [^>]*?href="?[a-zA-Z]*?:?//cdn\.jsdelivr\.net/
  • //cdn\.jsdelivr\.net/

Page Statistics

46
Requests

100 %
HTTPS

100 %
IPv6

8
Domains

10
Subdomains

10
IPs

2
Countries

1953 kB
Transfer

2494 kB
Size

4
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://ctfd.io/ HTTP 307
    https://ctfd.io/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

46 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
ctfd.io/
Redirect Chain
  • http://ctfd.io/
  • https://ctfd.io/
14 KB
4 KB
Document
General
Full URL
https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d61fc37336c2d507f642733b608d47a0fa46b3faed19e6fc44c3421849fea8f7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
86a907c16ab9b790-AMS
content-encoding
br
content-type
text/html; charset=utf-8
date
Tue, 26 Mar 2024 17:58:42 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
strict-origin-when-cross-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Sxb328%2B%2FbkeMDi7V4%2Bi444B9udkvq2WRuJIKrdsU%2B4YVW6IXzm0gu%2B%2FIBQ4wTuzDws6aVzRE7zI3%2B5RurvP8MQA7a1WX2todD4N19yx5m81BJxaNKcIwGL216DOlr58brP%2BTlwAp"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-content-type-options
nosniff

Redirect headers

Location
https://ctfd.io/
Non-Authoritative-Reason
HttpsUpgrades
css
fonts.googleapis.com/
13 KB
2 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Lora:400,400italic|Work+Sans:300,400,500,600
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
2e04b846f9f89d67ab4f48ef853518df9765c29ad16908180a87911f9fd6a480
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Tue, 26 Mar 2024 17:58:42 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Tue, 26 Mar 2024 17:58:42 GMT
font-awesome.css
netdna.bootstrapcdn.com/font-awesome/4.0.3/css/
21 KB
5 KB
Stylesheet
General
Full URL
https://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3083e8d3b21ddc3f0e6d65ec3580aa6edfaadca5d9737d9caa27e6a233e1ccf3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
cdn-edgestorageid
756
age
1127762
cdn-cachedat
09/09/2023 15:04:09
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:53 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"1f9e9d1a5a1d347d945ef4b7727f2ea0"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
712ee4b3c17826367971d61ec7639739
timing-allow-origin
*
cdn-requestcountrycode
DE
cdn-status
200
cf-ray
86a907c24b0e65b6-FRA
cdn-requestpullsuccess
True
toolkit-startup.min.css
ctfd.io/static/dist/
184 KB
29 KB
Stylesheet
General
Full URL
https://ctfd.io/static/dist/toolkit-startup.min.css
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5d186e4e19c8d16317c23f6119115c10d0640a39be2c11ff118cfe7a091f9655
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
cf-cache-status
REVALIDATED
etag
W/"5bf8f681d272b86ce7213e544561decb"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=aFCIFJp8WKMZIqlfVkfit5y8UlkzUcfoVwpcAoF8CvBTTSMg3AIPRGPsjNSHIOqNGxrS2gtCFfG9DyeSqHsoie%2FtqbCQcs0uZJODtF0VA%2BEtZyBDyFFFaiUE"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
86a907c22bbab790-AMS
alt-svc
h3=":443"; ma=86400
application-minimal.css
ctfd.io/static/css/
2 KB
1 KB
Stylesheet
General
Full URL
https://ctfd.io/static/css/application-minimal.css
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
964cf9b9bed9ec1f6e8fdb1097346c7bc15a6bd05cd1979ea7b77c82b58be6d6
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-polished
origSize=3277
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
cf-bgj
minify
server
cloudflare
etag
W/"c2c1a044d64e0464e98ba59f29ad6a69"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=9BNwH80Q2D%2BjrJ2UeGmQOmgH9Zd9RE8X3nDIceBlCeHdVL%2F%2FdGKO7xomQPYp2cBaYgwdUrWILI7cqRAT%2BBAJMCkwIogI%2FZ5htSiPtasGVIiZFmJ%2FArQAdI1YPMPw6sYAw%2F1farN8"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
86a907c22bbcb790-AMS
slick.css
cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/
2 KB
1 KB
Stylesheet
General
Full URL
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick.css
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
de1e399b07289f3b0a8d35142e363e128124a1185770e214e25e58030dad48e5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
1131947
x-jsd-version
1.8.1
content-encoding
br
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-served-by
cache-fra-etou8220066-FRA, cache-lga21957-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"6f0-qUoFmzF4tK3sCeMoGs4oGaMAlaQ"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=KRYMLHXzis5jbPxkMxJJWxoOKe38VnAhQveaM9aIcGtw5huxTRr4vfbuWO75T76Lxzd0uf5i5IXUwKUNQEJrhCisIYxFHCivF849rQl1kDC1%2BlbNXEu1qpUn7cxQEm%2FRrUOvtaRoNEH%2BEM8Ywds%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin
*
cf-ray
86a907c23d2ebb95-FRA
slick-theme.css
cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/
3 KB
2 KB
Stylesheet
General
Full URL
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7adaf08052c6a6a0f8a0d0055b4f191fd07389fe41c972b69573472b2ecb406a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
1131947
x-jsd-version
1.8.1
content-encoding
br
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-served-by
cache-fra-eddf8230103-FRA, cache-lga21966-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"c49-gaQ0+U8rESTzIyu4bylE+C+yOsA"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Hn2G%2Bk2hEHdnfvVWVbB94Oh6OUaQN4PZGNX%2BNXEsrdMRbTcU9QxADG6MxVszAdygMhhhPwVhNRCBc%2FvjemuRy1FCi3ch2XAsVG6wWz2qefNpaHDMgqOQ2cSRJPJITNwBT8HM1FecYsppwO2h0%2Bc%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
timing-allow-origin
*
cf-ray
86a907c23d31bb95-FRA
ctfd.svg
ctfd.io/static/img/
2 KB
1 KB
Image
General
Full URL
https://ctfd.io/static/img/ctfd.svg
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c6b923c21190365185773c081bbae91e39634a3247b46946d74ad9dfc6c0999
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
2472
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
W/"32c1cbbd687be1baa0c1f25592a40429"
vary
Accept-Encoding
report-to
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URL: https://ctfd.io/
Protocol
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Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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server
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etag
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Accept-Encoding
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6 KB
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Full URL
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Host: ctfd.io
URL: https://ctfd.io/
Protocol
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Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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Security Headers
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Request headers

sec-ch-ua
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Referer
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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server
cloudflare
etag
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report-to
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General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
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cf-cache-status
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vary
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report-to
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alt-svc
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fireeye.png
ctfd.io/static/img/
5 KB
5 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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server
cloudflare
etag
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vary
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report-to
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cf-ray
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40 KB
40 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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Security Headers
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Request headers

sec-ch-ua
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Referer
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accept-language
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sec-ch-ua-mobile
?0
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
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referrer-policy
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server
cloudflare
etag
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vary
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report-to
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cf-ray
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6 KB
6 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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referrer-policy
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server
cloudflare
etag
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vary
Accept-Encoding
report-to
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cf-ray
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25 KB
25 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
25261
referrer-policy
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server
cloudflare
etag
"67382e17369985e737d1c87ae3430ff4"
vary
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report-to
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cache-control
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cf-ray
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17 KB
17 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
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referrer-policy
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server
cloudflare
etag
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vary
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report-to
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cf-ray
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hackucf.png
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12 KB
13 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
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sec-ch-ua-mobile
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User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
12707
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
"c162b5ce8b933760e8f2806582555dad"
vary
Accept-Encoding
report-to
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cache-control
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accept-ranges
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cf-ray
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63 KB
63 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
https://ctfd.io/
accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
content-length
64131
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
"6e1ae75f9b0239b285fec720291d3620"
vary
Accept-Encoding
report-to
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content-type
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access-control-allow-origin
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cache-control
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accept-ranges
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cf-ray
86a907c24be4b790-AMS
reverse-code-challenge.png
ctfd.io/static/img/core/challenges/
120 KB
120 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
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User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
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referrer-policy
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server
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etag
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report-to
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ctfd.io/static/img/core/challenges/
48 KB
48 KB
Image
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Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
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referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
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vary
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report-to
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cf-ray
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services-docker.png
ctfd.io/static/img/
287 KB
288 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
294105
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
"44a554de22994b4797c3c4b7885289e2"
vary
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report-to
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cache-control
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accept-ranges
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cf-ray
86a907c24bedb790-AMS
nharbour.png
ctfd.io/static/img/
67 KB
68 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
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referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
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vary
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report-to
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cf-ray
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163 KB
164 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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cloudflare /
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
content-length
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referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
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vary
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report-to
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cf-ray
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jhaddix.png
ctfd.io/static/img/
42 KB
42 KB
Image
General
Full URL
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Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
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content-length
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referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
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vary
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report-to
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cf-ray
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119 KB
119 KB
Image
General
Full URL
https://ctfd.io/static/img/core/challenge-update-modal.png
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Referer
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accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
content-length
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referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
"a0ba6ac4824b2fcd8bdbc67eb8c0d67e"
vary
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report-to
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content-type
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access-control-allow-origin
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cache-control
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accept-ranges
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cf-ray
86a907c24bf3b790-AMS
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ctfd.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/
1 KB
949 B
Script
General
Full URL
https://ctfd.io/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 21 Mar 2024 10:35:23 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
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vary
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report-to
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content-type
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x-frame-options
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cache-control
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cf-ray
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expires
Thu, 28 Mar 2024 17:58:42 GMT
rocket-loader.min.js
ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/
12 KB
4 KB
Script
General
Full URL
https://ctfd.io/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Requested by
Host: ctfd.io
URL: https://ctfd.io/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 21 Mar 2024 10:35:23 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"65fc0d6b-302c"
vary
Accept-Encoding
report-to
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content-type
application/javascript
x-frame-options
DENY
cache-control
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cf-ray
86a907c24bf4b790-AMS
expires
Thu, 28 Mar 2024 17:58:42 GMT
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fonts.gstatic.com/s/worksans/v19/
49 KB
50 KB
Font
General
Full URL
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Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Lora:400,400italic|Work+Sans:300,400,500,600
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://fonts.googleapis.com/
Origin
https://ctfd.io
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sat, 23 Mar 2024 06:00:56 GMT
x-content-type-options
nosniff
age
302266
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
50668
x-xss-protection
0
last-modified
Thu, 14 Sep 2023 01:13:52 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 23 Mar 2025 06:00:56 GMT
toolkit-entypo.woff2
ctfd.io/static/fonts/
39 KB
39 KB
Font
General
Full URL
https://ctfd.io/static/fonts/toolkit-entypo.woff2
Requested by
Host: ctfd.io
URL: https://ctfd.io/static/dist/toolkit-startup.min.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/static/dist/toolkit-startup.min.css
Origin
https://ctfd.io
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
content-length
39708
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
"a3c49ba3c1777a5e90bf730bf75ab1ab"
vary
Accept-Encoding
report-to
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content-type
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access-control-allow-origin
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cache-control
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strict-transport-security
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content-encoding
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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sec-ch-ua-platform
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Response headers

date
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content-encoding
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
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84507
content-security-policy-report-only
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last-modified
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server
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25 KB
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Script
General
Full URL
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QUIC, , AES_128_GCM
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Request headers

sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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content-encoding
br
x-content-type-options
nosniff
cf-cache-status
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nel
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Requested by
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sec-ch-ua-platform
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Response headers

strict-transport-security
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content-encoding
gzip
x-content-type-options
nosniff
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server
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expires
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ctfd.io/static/img/core/challenges/
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date
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x-content-type-options
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Response headers

date
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x-content-type-options
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Protocol
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Request headers

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accept-language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
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x-content-type-options
nosniff
cf-cache-status
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nel
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server
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vary
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slick.woff
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General
Full URL
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/fonts/slick.woff
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
26726bac4060abb1226e6ceebc1336e84930fe7a7af1b3895a109d067f5b5dcc
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css
Origin
https://ctfd.io
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
1127726
x-jsd-version
1.8.1
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
1380
x-served-by
cache-fra-eddf8230090-FRA, cache-lga21956-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"564-r5HBLw9Aak+AGus7OYdo/kHY+GQ"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=djXeiJsMIHY4vzpxoIggnu99mRPCAW19d%2BGN2gqdrluHhIaq9TkE3K%2F2ytEbq4z%2B%2BBsb%2Fzf%2FIE6T2hwqPrVFYYUJWFy6mBU8N95cZvyOaX4R3ykGL3DDJyD1to7tLrO5WRMv8wM179kWBLd6Hts%3D"}],"group":"cf-nel","max_age":604800}
content-type
font/woff
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
cf-ray
86a907c48de14d25-FRA
ajax-loader.gif
cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/
4 KB
5 KB
Image
General
Full URL
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/ajax-loader.gif
Requested by
Host: cdn.jsdelivr.net
URL: https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6810:5514 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e7b44c86b050fca766a96ddac2d0932af0126da6f2305280342d909168dcce6b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://cdn.jsdelivr.net/gh/kenwheeler/slick@1.8.1/slick/slick-theme.css
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
1131937
x-jsd-version
1.8.1
x-cache
HIT, HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
4178
x-served-by
cache-fra-eddf8230053-FRA, cache-lga21932-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"1052-ehqkNhQ5Y4K7FeX95XTZzc0haY8"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=48RRhntr0LeWhuay4FCZ201qZ4vjE8g9Lc0PWyZjeHSLIZXsckPo%2Fp6%2B86NqUHazmD3zzXay%2BmmZ4%2FLpZYE99l5nxFiQDBNh7X%2B4t86QClTX%2F6omklq1b1I6sUn39WNVVrolu6QL%2FQyyit3bILc%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/gif
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
cf-ray
86a907c47feebb95-FRA
favicon.ico
ctfd.io/static/img/
1 KB
1 KB
Other
General
Full URL
https://ctfd.io/static/img/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9a6e5355aad80c8caccb7f97c129eee2f10f7ba17c9f9acfc228a6a92412667a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
cf-cache-status
REVALIDATED
etag
W/"1a58692200ee24bcd301240cec46b55a"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5d7ux0N%2BgU5apQx%2BWB0QVJQczXNtG2rtcWjsagAJIOOCMbKW7B2XYN0dUVkxVNsUz2N62uua5P5uVvQkQ9oS0vXDThoEPtvFp6BzZL%2BffSrjPljLMs528BwiWfZbzBaxiltdIqTo"}],"group":"cf-nel","max_age":604800}
content-type
image/vnd.microsoft.icon
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
86a907c4891135f7-FRA
alt-svc
h3=":443"; ma=86400
collect
www.google-analytics.com/j/
15 B
215 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1373555121&t=pageview&_s=1&dl=https%3A%2F%2Fctfd.io%2F&ul=en-us&de=UTF-8&dt=CTFd%20%3A%20The%20Easiest%20Capture%20The%20Flag%20Platform&sd=24-bit&sr=800x600&vp=1600x1113&je=0&_u=IEBAAEABAAAAACAAI~&jid=990147328&gjid=220762576&cid=1837330624.1711475923&tid=UA-92637242-1&_gid=1687634689.1711475923&_r=1&_slc=1&z=324959715
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
d8439925b3322c3637e5bd2628afb6324a916e4eab767409a9b008f19d8a1da3
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform
"Win32"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Tue, 26 Mar 2024 17:58:42 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://ctfd.io
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
15
expires
Fri, 01 Jan 1990 00:00:00 GMT
js
www.googletagmanager.com/gtag/
245 KB
87 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-MW8WRKWTMQ&cx=c&_slc=1
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
ad22d7d8a105a0ba8419729c73a794989f19e1ea3cbb6ed7210d0563b0c59906
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
89130
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 26 Mar 2024 17:58:42 GMT
favicon.ico
ctfd.io/static/img/
1 KB
1 KB
Other
General
Full URL
https://ctfd.io/static/img/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3030::ac43:b99f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9a6e5355aad80c8caccb7f97c129eee2f10f7ba17c9f9acfc228a6a92412667a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 26 Mar 2024 17:58:42 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
0
alt-svc
h3=":443"; ma=86400
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
etag
W/"1a58692200ee24bcd301240cec46b55a"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5d7ux0N%2BgU5apQx%2BWB0QVJQczXNtG2rtcWjsagAJIOOCMbKW7B2XYN0dUVkxVNsUz2N62uua5P5uVvQkQ9oS0vXDThoEPtvFp6BzZL%2BffSrjPljLMs528BwiWfZbzBaxiltdIqTo"}],"group":"cf-nel","max_age":604800}
content-type
image/vnd.microsoft.icon
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
cf-ray
86a907c5199835f7-FRA
collect
region1.google-analytics.com/g/
0
248 B
Ping
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-MW8WRKWTMQ&gtm=45je43p0v9114949604za200&_p=1711475922683&gcd=13l3l3l2l2&npa=0&dma_cps=sypham&dma=1&ul=en-us&sr=800x600&cid=1837330624.1711475923&ir=1&uaa=x86&uab=64&uafvl=Google%2520Chrome%3B123.0.6312.58%7CNot%253AA-Brand%3B8.0.0.0%7CChromium%3B123.0.6312.58&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&pscdl=noapi&_eu=EBAI&_s=1&dl=https%3A%2F%2Fctfd.io%2F&dt=CTFd%20%3A%20The%20Easiest%20Capture%20The%20Flag%20Platform&sid=1711475922&sct=1&seg=0&en=page_view&_fv=1&_ss=1&_ee=1&tfd=736
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-MW8WRKWTMQ&cx=c&_slc=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer
https://ctfd.io/
accept-language
de-DE,de;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Tue, 26 Mar 2024 17:58:42 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://ctfd.io
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

15 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| onpagereveal object| __cfQR function| moment string| GoogleAnalyticsObject function| ga function| $ function| jQuery function| Popper boolean| __cfRLUnblockHandlers object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| dataLayer object| google_tag_manager

4 Cookies

Domain/Path Name / Value
.ctfd.io/ Name: _ga
Value: GA1.2.1837330624.1711475923
.ctfd.io/ Name: _gid
Value: GA1.2.1687634689.1711475923
.ctfd.io/ Name: _gat
Value: 1
.ctfd.io/ Name: _ga_MW8WRKWTMQ
Value: GS1.2.1711475922.1.0.1711475922.0.0.0

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Content-Type-Options nosniff

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

ajax.googleapis.com
cdn.jsdelivr.net
cdnjs.cloudflare.com
ctfd.io
fonts.googleapis.com
fonts.gstatic.com
netdna.bootstrapcdn.com
region1.google-analytics.com
www.google-analytics.com
www.googletagmanager.com
2001:4860:4802:32::36
2606:4700:3030::ac43:b99f
2606:4700::6810:5514
2606:4700::6811:180e
2606:4700::6812:bcf
2a00:1450:4001:801::200a
2a00:1450:4001:806::2003
2a00:1450:4001:809::200e
2a00:1450:4001:812::2008
2a00:1450:4001:81c::200a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68aaf3024e7eda571db974c6e3b6cb7a9a08506e2c905a31a990a71d41a0a9c1
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8add37a026e40e065d51b457548c0e4c575c78a5277853d418318443cfd2d344
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ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
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de0de98fa1d1c563dbec077f301fdbb6b736a769f94f238423ed01723025c56e
de1e399b07289f3b0a8d35142e363e128124a1185770e214e25e58030dad48e5
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd
e02f11188750be84c711f78135463290bd20c327103331bed395e6ce9d9420e0
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
e7b44c86b050fca766a96ddac2d0932af0126da6f2305280342d909168dcce6b
f10f7091195a418e8f3031635969dd1bc4fde0382f69ab48776c17e311d1c5f4
fb1384e848734a3d3b6a65a38c7358e8503ccb81b3de29786ae71691fd8e05c6
fd4801631ecd42c3f5b571b88c10aa428968ec95ebef8856fa720a45201f6cb0