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linuxhandbook.com Open in urlscan Pro
2606:4700:20::ac43:49c6  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://linuxhandbook.com/
Effective URL: https://linuxhandbook.com/
Submission: On February 23 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 26 IPs in 2 countries across 21 domains to perform 75 HTTP transactions. The main IP is 2606:4700:20::ac43:49c6, located in United States and belongs to CLOUDFLARENET, US. The main domain is linuxhandbook.com. The Cisco Umbrella rank of the primary domain is 284893.
TLS certificate: Issued by GTS CA 1P5 on January 14th 2024. Valid for: 3 months.
This is the only time linuxhandbook.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
24 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 54.193.234.106 16509 (AMAZON-02)
3 2400:52e0:1e0... 200325 (BUNNYCDN)
1 2a00:1450:400... 15169 (GOOGLE)
3 2a01:4f8:121:... 24940 (HETZNER-AS)
4 2606:4700::68... 13335 (CLOUDFLAR...)
3 99.86.4.76 16509 (AMAZON-02)
1 1 151.101.2.217 54113 (FASTLY)
1 151.101.130.217 54113 (FASTLY)
3 18.66.147.50 16509 (AMAZON-02)
2 2400:52e0:1e0... 200325 (BUNNYCDN)
3 2606:4700:10:... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
6 2600:9000:220... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
5 2606:4700:10:... 13335 (CLOUDFLAR...)
1 34.120.111.33 396982 (GOOGLE-CL...)
2 2a00:1450:400... 15169 (GOOGLE)
1 13.224.57.2 16509 (AMAZON-02)
2 34.102.160.142 396982 (GOOGLE-CL...)
1 18.194.115.222 16509 (AMAZON-02)
2 2600:9000:205... 16509 (AMAZON-02)
1 44.240.235.135 16509 (AMAZON-02)
75 26
24    2606:4700:20::ac43:49c6 (United States)

ASN13335 (CLOUDFLARENET, US)
linuxhandbook.com
1    2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
1    54.193.234.106 (San Jose, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-54-193-234-106.us-west-1.compute.amazonaws.com
api.readwithacta.com
3    2400:52e0:1e00::1081:1 (Germany)

ASN200325 (BUNNYCDN, SI)
cdn-header-bidding.snack-media.com
widgets.snack-projects.co.uk
1    2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    2a01:4f8:121:32c2::2 (Ehingen, Germany)

ASN24940 (HETZNER-AS, DE)
groovy-manul.pikapod.net
4    2606:4700::6810:5814 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.jsdelivr.net
3    99.86.4.76 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-99-86-4-76.fra6.r.cloudfront.net
js.stripe.com
1    151.101.2.217 (United States)

ASN54113 (FASTLY, US)
static.apester.com
1    151.101.130.217 (United States)

ASN54113 (FASTLY, US)
sdk.apester.com
3    18.66.147.50 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-66-147-50.fra60.r.cloudfront.net
tagan.adlightning.com
2    2400:52e0:1e00::1082:1 (Germany)

ASN200325 (BUNNYCDN, SI)
scripts.snack-media.com
3    2606:4700:10::6816:5d (United States)

ASN13335 (CLOUDFLARENET, US)
boot.pbstck.com
intake.pbstck.com
2    2a00:1450:4001:806::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
securepubads.g.doubleclick.net
1    2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
6    2600:9000:2204:6600:1b:cadc:ef40:93a1 (United States)

ASN16509 (AMAZON-02, US)
cmp.inmobi.com
1    2a00:1450:4001:82b::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
1    2606:4700:10::6816:445 (United States)

ASN13335 (CLOUDFLARENET, US)
a.ad.gt
5    2606:4700:10::ac43:1997 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.pbstck.com
refresh.pbstck.com
1    34.120.111.33 (Kansas City, United States)

ASN396982 (GOOGLE-CLOUD-PLATFORM, US)
PTR: 33.111.120.34.bc.googleusercontent.com
cdn.edkt.io
2    2a00:1450:4001:82a::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fundingchoicesmessages.google.com
1    13.224.57.2 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-224-57-2.cdg50.r.cloudfront.net
cdn.amplitude.com
2    34.102.160.142 (Kansas City, United States)

ASN396982 (GOOGLE-CLOUD-PLATFORM, US)
PTR: 142.160.102.34.bc.googleusercontent.com
events.apester.com
1    18.194.115.222 (Frankfurt am Main, Germany)

ASN16509 (AMAZON-02, US)
PTR: ec2-18-194-115-222.eu-central-1.compute.amazonaws.com
api.cmp.inmobi.com
2    2600:9000:2057:3800:19:7d10:bd80:93a1 (United States)

ASN16509 (AMAZON-02, US)
m.stripe.network
1    44.240.235.135 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-44-240-235-135.us-west-2.compute.amazonaws.com
m.stripe.com
Apex Domain
Subdomains		 Transfer
24 linuxhandbook.com
linuxhandbook.com — Cisco Umbrella Rank: 284893
203 KB
8 pbstck.com
boot.pbstck.com — Cisco Umbrella Rank: 8361
cdn.pbstck.com — Cisco Umbrella Rank: 8867
refresh.pbstck.com — Cisco Umbrella Rank: 41065
intake.pbstck.com — Cisco Umbrella Rank: 8590
120 KB
7 inmobi.com
cmp.inmobi.com — Cisco Umbrella Rank: 3960
api.cmp.inmobi.com — Cisco Umbrella Rank: 13621
211 KB
4 apester.com
static.apester.com — Cisco Umbrella Rank: 51949
sdk.apester.com — Cisco Umbrella Rank: 47298
events.apester.com — Cisco Umbrella Rank: 43058
41 KB
4 stripe.com
js.stripe.com — Cisco Umbrella Rank: 1203
m.stripe.com — Cisco Umbrella Rank: 1170
150 KB
4 jsdelivr.net
cdn.jsdelivr.net — Cisco Umbrella Rank: 316
657 KB
4 snack-media.com
cdn-header-bidding.snack-media.com — Cisco Umbrella Rank: 64824
scripts.snack-media.com — Cisco Umbrella Rank: 88059
188 KB
3 adlightning.com
tagan.adlightning.com — Cisco Umbrella Rank: 2379
68 KB
3 pikapod.net
groovy-manul.pikapod.net — Cisco Umbrella Rank: 300460
3 KB
2 stripe.network
m.stripe.network — Cisco Umbrella Rank: 1281
18 KB
2 google.com
fundingchoicesmessages.google.com — Cisco Umbrella Rank: 663
122 KB
2 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 212
164 KB
1 amplitude.com
cdn.amplitude.com — Cisco Umbrella Rank: 2576
18 KB
1 edkt.io
cdn.edkt.io — Cisco Umbrella Rank: 14187
8 KB
1 ad.gt
a.ad.gt — Cisco Umbrella Rank: 1849
4 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 28
818 B
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2197
255 B
1 snack-projects.co.uk
widgets.snack-projects.co.uk — Cisco Umbrella Rank: 101347
1 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
89 KB
1 readwithacta.com
api.readwithacta.com — Cisco Umbrella Rank: 503313
4 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 806
7 KB
75 21
Domain Requested by
24 linuxhandbook.com linuxhandbook.com
cdn.jsdelivr.net
static.cloudflareinsights.com
6 cmp.inmobi.com widgets.snack-projects.co.uk
cmp.inmobi.com
tagan.adlightning.com
4 cdn.pbstck.com boot.pbstck.com
4 cdn.jsdelivr.net linuxhandbook.com
3 tagan.adlightning.com cdn-header-bidding.snack-media.com
tagan.adlightning.com
3 js.stripe.com linuxhandbook.com
tagan.adlightning.com
js.stripe.com
3 groovy-manul.pikapod.net linuxhandbook.com
groovy-manul.pikapod.net
2 m.stripe.network js.stripe.com
m.stripe.network
2 events.apester.com static.apester.com
2 intake.pbstck.com linuxhandbook.com
2 fundingchoicesmessages.google.com tagan.adlightning.com
2 securepubads.g.doubleclick.net cdn-header-bidding.snack-media.com
tagan.adlightning.com
2 scripts.snack-media.com cdn-header-bidding.snack-media.com
2 cdn-header-bidding.snack-media.com linuxhandbook.com
cdn-header-bidding.snack-media.com
1 m.stripe.com m.stripe.network
1 api.cmp.inmobi.com cmp.inmobi.com
1 cdn.amplitude.com api.readwithacta.com
1 refresh.pbstck.com linuxhandbook.com
1 cdn.edkt.io cdn-header-bidding.snack-media.com
1 a.ad.gt scripts.snack-media.com
1 fonts.googleapis.com client
1 region1.google-analytics.com www.googletagmanager.com
1 boot.pbstck.com cdn-header-bidding.snack-media.com
1 sdk.apester.com linuxhandbook.com
1 static.apester.com 1 redirects
1 widgets.snack-projects.co.uk linuxhandbook.com
1 www.googletagmanager.com linuxhandbook.com
1 api.readwithacta.com linuxhandbook.com
1 static.cloudflareinsights.com linuxhandbook.com
75 29

This site contains links to these domains. Also see Links.

Domain
twitter.com
www.facebook.com
digitalocean.pxf.io
ghost.org
spiritix.co
Subject Issuer Validity Valid
linuxhandbook.com
GTS CA 1P5		 2024-01-14 -
2024-04-13		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-04-10 -
2024-04-09		 a year crt.sh
api.readwithacta.com
R3		 2024-01-06 -
2024-04-05		 3 months crt.sh
cdn-header-bidding.snack-media.com
R3		 2024-01-17 -
2024-04-16		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2024-02-05 -
2024-04-29		 3 months crt.sh
*.pikapod.net
R3		 2024-02-07 -
2024-05-07		 3 months crt.sh
widgets.snack-projects.co.uk
R3		 2024-01-18 -
2024-04-17		 3 months crt.sh
a.stripecdn.com
DigiCert SHA2 Extended Validation Server CA		 2024-02-07 -
2024-05-09		 3 months crt.sh
*.adlightning.com
Amazon RSA 2048 M01		 2023-07-08 -
2024-08-05		 a year crt.sh
scripts.snack-media.com
R3		 2024-01-23 -
2024-04-22		 3 months crt.sh
pbstck.com
Cloudflare Inc ECC CA-3		 2023-06-04 -
2024-06-03		 a year crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2024-02-05 -
2024-04-29		 3 months crt.sh
cmp.inmobi.com
Sectigo ECC Organization Validation Secure Server CA		 2023-08-18 -
2024-08-17		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2024-02-05 -
2024-04-29		 3 months crt.sh
a.ad.gt
E1		 2024-02-12 -
2024-05-12		 3 months crt.sh
edkt.io
GTS CA 1D4		 2024-02-09 -
2024-05-09		 3 months crt.sh
*.google.com
GTS CA 1C3		 2024-02-05 -
2024-04-29		 3 months crt.sh
cdn.amplitude.com
Amazon RSA 2048 M02		 2023-12-14 -
2025-01-12		 a year crt.sh
adset-api.apester.com
R3		 2023-12-24 -
2024-03-23		 3 months crt.sh
m.stripe.com
DigiCert TLS RSA SHA256 2020 CA1		 2023-12-22 -
2024-03-21		 3 months crt.sh

This page contains 3 frames:

Primary Page: https://linuxhandbook.com/
Frame ID: 242F10F2D2E29159D1B749E13A6D8646
Requests: 69 HTTP requests in this frame

Frame: https://js.stripe.com/v3/m-outer-3437aaddcdf6922d623e172c2d6f9278.html
Frame ID: 24125D3AEF643A85A8402E7DB65F4EAA
Requests: 2 HTTP requests in this frame

Frame: https://m.stripe.network/inner.html
Frame ID: 040ED43AA350A7746231B7B186AFC2BB
Requests: 3 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Linux Handbook

Page URL History Show full URLs

  1. http://linuxhandbook.com/ HTTP 307
    https://linuxhandbook.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • js\.stripe\.com
Overall confidence: 100%
Detected patterns
  • cdn\.amplitude\.com
Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • //cdn\.jsdelivr\.net/

Page Statistics

75
Requests

99 %
HTTPS

62 %
IPv6

21
Domains

29
Subdomains

26
IPs

2
Countries

2077 kB
Transfer

7654 kB
Size

6
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://linuxhandbook.com/ HTTP 307
    https://linuxhandbook.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 26
  • https://static.apester.com/js/sdk/latest/apester-sdk.js HTTP 301
  • https://sdk.apester.com/web-sdk.core.legacy.min.js

75 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
linuxhandbook.com/
Redirect Chain
  • http://linuxhandbook.com/
  • https://linuxhandbook.com/
82 KB
12 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://linuxhandbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:49c6 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
e678b6bdfc792795a2ea04c221711d59f14abde53b3d276fc8ff395f4f53373f
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
public, max-age=0
cf-cache-status
DYNAMIC
cf-ray
85a02be5abe69bd0-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Fri, 23 Feb 2024 14:31:16 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=fCwlIEBhyf28ReM4a6ChkDN6PklGLEyD9j0%2FjhZO6wKn2bIqkB8zD60Fo9rsvkyhW57Yoie5CxbszIlEnY36ORzW9OZ22urmkLBLSsIVf9Nsz%2BaGvQtSO4DNzn%2FgfjXIl4G0tKSIdkmXq%2FdOy%2BXT"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=63072000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-powered-by
Express

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://linuxhandbook.com/
Non-Authoritative-Reason
HSTS
main.min.css
linuxhandbook.com/assets/built/ 		123 KB
20 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://linuxhandbook.com/assets/built/main.min.css?v=e0e3e21c68
Requested by
Host: linuxhandbook.com
URL: https://linuxhandbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:49c6 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
b2f4d8ab569a1fcda1dfde4ac607fb6949eb4a06c391bc3cc29bfcfc4afa6d02
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://linuxhandbook.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:31:16 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
636516
x-powered-by
Express
content-encoding
br
alt-svc
h3=":443"; ma=86400
last-modified
Fri, 16 Feb 2024 05:32:47 GMT
server
cloudflare
etag
W/"1ec6a-18db0672946"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css; charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=4v4zU0qABcpUqIMV6K%2BTsgobgfmn9hi1GursVc6KnRNjWjXayyBqRQKg%2FjPxeZViCZWryTzmWYOaS2cINxSP%2Be%2FjkV%2FEvslplqhfdUA%2Fw7ehzUHPmL80w0A6ZBaf15%2BtMZ40%2FDOnjgJMnv2V1MTr"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000
cf-ray
85a02be6bcae9bd0-FRA
main.min.js
linuxhandbook.com/assets/built/ 		98 KB
35 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://linuxhandbook.com/assets/built/main.min.js?v=e0e3e21c68
Requested by
Host: linuxhandbook.com
URL: https://linuxhandbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:49c6 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
203ed6cb986f3c28de61833f0f0ea2f7ba6bbd81bb27e25af5eedf4723d7d9b9
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://linuxhandbook.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:31:16 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
636516
x-powered-by
Express
content-encoding
br
alt-svc
h3=":443"; ma=86400
last-modified
Fri, 16 Feb 2024 05:32:47 GMT
server
cloudflare
etag
W/"18983-18db0672946"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=0cCG5N3XJdFDhqiYoy%2Bi7xzfHkNQ7km6c5NnBMreY3JKUigFVYxyRcgzWqLId%2BNBMLDQAHR1FxTzOPLubJlT0wez0g1K3L5H50Al1YHK4qzOEaTXJlQiikvp8Ih3NrTQ%2BEdmoNlet3fjQNy8WfIb"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000
cf-ray
85a02be6bcb29bd0-FRA
linux-handbook-cover.png
linuxhandbook.com/content/images/2021/08/ 		8 KB
8 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://linuxhandbook.com/content/images/2021/08/linux-handbook-cover.png
Requested by
Host: linuxhandbook.com
URL: https://linuxhandbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:49c6 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
7f20539f4f738bf4e5dfde56db8e1d003567ebb5e3b3280ebeb5db7b0522f41e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://linuxhandbook.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:31:16 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
125313
cf-polished
origFmt=png, origSize=11686
x-powered-by
Express
content-disposition
inline; filename="linux-handbook-cover.webp"
alt-svc
h3=":443"; ma=86400
content-length
8250
cf-bgj
imgq:100,h2pri
last-modified
Sun, 29 May 2022 14:46:05 GMT
server
cloudflare
etag
W/"2da6-181104808ee"
vary
Accept
x-frame-options
SAMEORIGIN
content-type
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General
Check archive.org
Download Go to Show image
Full URL
https://linuxhandbook.com/content/images/2021/08/linux-handbook-cover.png?qc-size=600,72
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:20::ac43:49c6 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
7f20539f4f738bf4e5dfde56db8e1d003567ebb5e3b3280ebeb5db7b0522f41e
Security Headers
Name Value
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://linuxhandbook.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:31:17 GMT
strict-transport-security
max-age=63072000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
1836863
cf-polished
origFmt=png, origSize=11686
x-powered-by
Express
content-disposition
inline; filename="linux-handbook-cover.webp"
alt-svc
h3=":443"; ma=86400
content-length
8250
cf-bgj
imgq:100,h2pri
last-modified
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server
cloudflare
etag
W/"2da6-181104808ee"
vary
Accept
x-frame-options
SAMEORIGIN
content-type
image/webp
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6ao4b4RbNT4qMg430KXGBTED3d%2B4O3nQxwDAq8Qte9eJH1zlTI5jyO83%2B7R46eRLz5bJsnZ6YTn4BdFRDaSfhBQSMoA50rbeFmVsT2wAdYyMFiLp2AxC5uXYx6m1EHCXoQF8U7t8qaXAnr1Gcf0h"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=31536000
accept-ranges
bytes
cf-ray
85a02bed2f49362f-FRA
inner.html
m.stripe.network/ Frame 040E 		930 B
2 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://m.stripe.network/inner.html
Requested by
Host: js.stripe.com
URL: https://js.stripe.com/v3/fingerprinted/js/m-outer-15a2b40a058ddff1cffdb63779fe3de1.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2057:3800:19:7d10:bd80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cloudfront /
Resource Hash
947ac0903521f5eceefc90637c066306a8ca67466ccc188bb0107fb7cfb532d1
Security Headers
Name Value
Content-Security-Policy base-uri 'none'; connect-src https://m.stripe.network https://m.stripe.com; default-src 'none'; font-src https://m.stripe.network https://fonts.gstatic.com; form-action 'none'; frame-src https://m.stripe.network https://js.stripe.com; img-src https://m.stripe.network https://m.stripe.com https://b.stripecdn.com; script-src https://m.stripe.network 'sha256-/5Guo2nzv5n/w6ukZpOBZOtTJBJPSkJ6mhHpnBgm3Ls='; style-src https://m.stripe.network; report-uri https://q.stripe.com/csp-report
Strict-Transport-Security max-age=31556926; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://js.stripe.com/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
age
57
cache-control
max-age=300, public
content-length
930
content-security-policy
base-uri 'none'; connect-src https://m.stripe.network https://m.stripe.com; default-src 'none'; font-src https://m.stripe.network https://fonts.gstatic.com; form-action 'none'; frame-src https://m.stripe.network https://js.stripe.com; img-src https://m.stripe.network https://m.stripe.com https://b.stripecdn.com; script-src https://m.stripe.network 'sha256-/5Guo2nzv5n/w6ukZpOBZOtTJBJPSkJ6mhHpnBgm3Ls='; style-src https://m.stripe.network; report-uri https://q.stripe.com/csp-report
content-type
text/html; charset=utf-8
date
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etag
"06bfcd88af438673a8bf9b845a11aa6e"
last-modified
Fri, 30 Jun 2023 14:32:28 GMT
server
Cloudfront
strict-transport-security
max-age=31556926; includeSubDomains; preload
vary
Accept-Encoding, Origin
via
1.1 92ab13182d4b89ed20b3b5c10adc4f22.cloudfront.net (CloudFront)
x-amz-cf-id
4DY0VZ_cW7HFd9j_4NygNxrLquiKIRG-EOJaD0v7lapRpkumN37I5A==
x-amz-cf-pop
FRA6-C1
x-cache
Hit from cloudfront
x-content-type-options
nosniff
AGSKWxV-K_khYA8L4CQDkVaJwss-J0Q-WLxlUhlrChibrbEmly7NQB5Sox2ExBREGgy4oPBj65EUxhBSoCLgLtZoUNwugp5ulimd6i1r_7sgSCqLn9jB2BmUm8IC3rLu8-bUZhZerzrixA==
fundingchoicesmessages.google.com/f/ 		402 KB
61 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://fundingchoicesmessages.google.com/f/AGSKWxV-K_khYA8L4CQDkVaJwss-J0Q-WLxlUhlrChibrbEmly7NQB5Sox2ExBREGgy4oPBj65EUxhBSoCLgLtZoUNwugp5ulimd6i1r_7sgSCqLn9jB2BmUm8IC3rLu8-bUZhZerzrixA==?fccs=W251bGwsbnVsbCxudWxsLG51bGwsbnVsbCxudWxsLFsxNzA4Njk4Njc3LDM0NDAwMDAwMF0sbnVsbCxudWxsLG51bGwsW251bGwsWzddXSwiaHR0cHM6Ly9saW51eGhhbmRib29rLmNvbS8iLG51bGwsW1s4LCJ4dk95NXBZSHV6cyJdLFs5LCJkZSJdLFsxOSwiMSJdLFsxNywiWzBdIl1dXQ
Requested by
Host: tagan.adlightning.com
URL: https://tagan.adlightning.com/valnet-snackmedia/op.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
70e06a94b3f764cfcce15ad9cde52547fd6814f3efe7f6513ea346d0e73bad44
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-b3W6ZV1fSEqPJFxAkbnxyg' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/ContributorGlobalRouterHttp/cspreport;worker-src 'self', script-src 'unsafe-inline' 'self' https://apis.google.com https://ssl.gstatic.com https://www.google.com https://www.googletagmanager.com https://www.gstatic.com https://www.google-analytics.com;report-uri /_/ContributorGlobalRouterHttp/cspreport/allowlist, require-trusted-types-for 'script';report-uri /_/ContributorGlobalRouterHttp/cspreport
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://linuxhandbook.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:31:17 GMT
content-security-policy
script-src 'report-sample' 'nonce-b3W6ZV1fSEqPJFxAkbnxyg' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/ContributorGlobalRouterHttp/cspreport;worker-src 'self', script-src 'unsafe-inline' 'self' https://apis.google.com https://ssl.gstatic.com https://www.google.com https://www.googletagmanager.com https://www.gstatic.com https://www.google-analytics.com;report-uri /_/ContributorGlobalRouterHttp/cspreport/allowlist, require-trusted-types-for 'script';report-uri /_/ContributorGlobalRouterHttp/cspreport
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
reporting-endpoints
default="/_/ContributorGlobalRouterHttp/web-reports?context=eJzjmsKoxSXF4KkhxXDy1m2mi0B83ukO03UgvqjylOkmENcyPGNqBeIH4c-YXgCxgcZzJgsgZvzzgokTiN99ecnE8_UlkwQQawDxO8lXTN-AeIePBwvfuumsKkCsu346aygQxzyfzpoCxItZZ7CuBmKn9BmsQUD8OXMG628g9qmfwRoDxEI8HFtvPFrHJrDh6KxbjACF60WF"
pragma
no-cache
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factor, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
cross-origin-opener-policy
same-origin
server
ESF
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
no-cache, no-store, max-age=0, must-revalidate
permissions-policy
ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factor=*, ch-ua-platform=*, ch-ua-platform-version=*
timing-allow-origin
*
expires
Mon, 01 Jan 1990 00:00:00 GMT
out-4.5.43.js
m.stripe.network/ Frame 040E 		87 KB
16 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://m.stripe.network/out-4.5.43.js
Requested by
Host: m.stripe.network
URL: https://m.stripe.network/inner.html
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2057:3800:19:7d10:bd80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Cloudfront /
Resource Hash
e039e607c78306c7e029a7fd0ecdb14f86456f16e1a5ce65aa26b4fdf1d38a3c
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://m.stripe.network/inner.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36

Response headers

date
Fri, 23 Feb 2024 14:27:11 GMT
content-encoding
gzip
via
1.1 92ab13182d4b89ed20b3b5c10adc4f22.cloudfront.net (CloudFront)
strict-transport-security
max-age=31556926; includeSubDomains; preload
last-modified
Fri, 30 Jun 2023 14:32:28 GMT
server
Cloudfront
age
247
x-content-type-options
nosniff
etag
W/"69cb7809b5011312e716f29b3d19dce6"
x-amz-cf-pop
FRA6-C1
vary
Accept-Encoding, Origin
x-cache
Hit from cloudfront
content-type
text/javascript; charset=utf-8
cache-control
max-age=300, public
x-amz-cf-id
WQLQq_McPooW02c28PFB4sjiuZ905OHsX7CGFQ_qHB66UrVxDIodBg==
6
m.stripe.com/ Frame 040E 		156 B
670 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://m.stripe.com/6
Requested by
Host: m.stripe.network
URL: https://m.stripe.network/out-4.5.43.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.240.235.135 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-44-240-235-135.us-west-2.compute.amazonaws.com
Software
nginx /
Resource Hash
6155dc12df47090acb5fe357d71f173e5fa6de7fca9512889fea71d03e1ecbd4
Security Headers
Name Value
Strict-Transport-Security max-age=31556926; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://m.stripe.network/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.57 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

x-stripe-bg-intended-route-color
green
date
Fri, 23 Feb 2024 14:31:18 GMT
strict-transport-security
max-age=31556926; includeSubDomains; preload
x-content-type-options
nosniff
x-stripe-server-envoy-start-time-us
1708698678236728
server
nginx
content-type
application/json;charset=utf-8
x-stripe-server-envoy-upstream-service-time-ms
3
access-control-allow-origin
https://m.stripe.network
x-stripe-client-envoy-start-time-us
1708698678236326
access-control-allow-credentials
true
access-control-allow-headers
Content-Type
content-length
156

Verdicts & Comments Add Verdict or Comment

176 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| 0 object| 1 object| 2 object| 3 object| 4 object| 5 object| __cfQR object| __cfBeacon object| Spiritix function| gtag object| dataLayer object| umami number| tcf_loops number| tcf_maxLoops number| tcf_loopDuration number| tcf_cmpIsReady function| snack_consent string| sn_gg_dt_unit string| sn_gg_mob_unit number| randomNumberOzone object| ozoneCustom object| snack_data function| getQueryParams object| query undefined| snack_debug_mode function| snack_debug function| deleteCookie function| setCookie function| getCookie function| snack_adds_init function| snack_add_tag function| snack_display_tag function| snack_setup_ads function| aps_setup_ads function| snack_enqueue_script boolean| pbSnackMobile boolean| pbSnackTablet boolean| pbSnackDevice object| snack_head_scripts object| snack_body_scripts string| snack_base_url object| me_script string| me_script_src object| filled_slots number| max_refresh number| times_refreshed object| snack_tags_present object| snack_tags_lazyload object| snack_tags_not_present object| AD_UNITS_TOGGLE_OFF number| PREBID_TIMEOUT object| googletag object| pbjs undefined| tcf_debug_mode object| gpt_script function| snack_load_gpt undefined| ref_source function| no_pubcid number| requires_schain string| schain_sid object| sloader object| schain_obj object| snack_tags object| snack_site_config object| adUnits object| nano_kw string| nano_kw_str object| bid function| start_snack_ads function| snack_start_pb object| ads_already_loaded function| lazyload_inview object| times_refreshed_arr function| refresh_init function| refresh_loop object| slots object| test_slots function| refreshBid function| killSlot object| isMobile object| sublime object| u number| b object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal object| webpackChunkStripeJSouter function| noop function| Stripe function| __tcfapi function| __uspapi function| WTUkGs function| WTUkGk object| xop object| -1lurbihjo9a8 object| webpackChunkapester_sdk object| adTools object| APESTER string| sn_gg_tag boolean| sn_sticky object| sn_gg_ad function| sn_create_wrapper function| sn_gg_close_ad function| sn_unwrap object| ggeac object| google_js_reporting_queue object| pbjsChunk object| _pbjsGlobals object| ADAGIO object| invibes object| edktInitializor function| IUCzky3 function| xblocker function| IUCzky2 object| pbstck object| pbstckQ object| Pubstack number| __pbstck_consent boolean| __pbstck_session_tracking string| __pbstck_page_id function| GpCVMO function| GpCVMu object| xblacklist object| regeneratorRuntime undefined| google_measure_js_timing function| __tcfapiui undefined| e function| t function| o function| n object| a object| r string| s string| c string| d object| p object| amplitude boolean| __cfRLUnblockHandlers function| lazyloadContentImages object| _self object| Prism function| lightbox function| safeReportError function| safeCall function| focusOptionsSupported function| fixTimeline object| lazySizes function| sal function| PhotoSwipe function| PhotoSwipeUI_Default function| EvEmitter function| imagesLoaded function| reframe object| tocbot function| X1 function| eC function| Q object| pbstckrefresh function| qt function| Kt function| zt function| Yt function| Ft function| Nt object| analyticsConnectorInstances object| default_ContributorServingResponseClientJs object| _F_toggles object| __googlefc string| __fcInvoked string| __fcexpdef string| YWUyYTg3YzJlNmM0MTlhYmxvYWRlcl9qcw== string| YWUyYTg3YzJlNmM0MTlhYmNhY2hlZF9qcw== object| googlefc object| __fcInternalApiManager boolean| __fcInternalApiPostMessageReady

6 Cookies

Domain/Path Name / Value
.linuxhandbook.com/ Name: _ga_N5BXCDY8VW
Value: GS1.1.1708698676.1.0.1708698676.0.0.0
.linuxhandbook.com/ Name: _ga
Value: GA1.1.1430952234.1708698677
.linuxhandbook.com/ Name: AMP_60520f479b
Value: JTdCJTIyZGV2aWNlSWQlMjIlM0ElMjJiOGU2YjQ3Yy01YjM0LTRkNDMtOTA0ZC1kYWY1NGExNjc0MjElMjIlMkMlMjJzZXNzaW9uSWQlMjIlM0ExNzA4Njk4Njc3MzA4JTJDJTIyb3B0T3V0JTIyJTNBZmFsc2UlMkMlMjJsYXN0RXZlbnRJZCUyMiUzQTAlN0Q=
m.stripe.com/ Name: m
Value: 2ca6401d-78f5-4b9c-8806-8723db991a58f07712
.linuxhandbook.com/ Name: __stripe_mid
Value: 4467b750-d119-4a7f-926c-0e6b491a8b0c554396
.linuxhandbook.com/ Name: __stripe_sid
Value: db89c2e7-a1a0-42a2-bec7-8e97733659445731f0

1 Console Messages

Source Level URL
Text
other warning URL: https://linuxhandbook.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.

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
Strict-Transport-Security max-age=63072000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

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.

a.ad.gt
api.cmp.inmobi.com
api.readwithacta.com
boot.pbstck.com
cdn-header-bidding.snack-media.com
cdn.amplitude.com
cdn.edkt.io
cdn.jsdelivr.net
cdn.pbstck.com
cmp.inmobi.com
events.apester.com
fonts.googleapis.com
fundingchoicesmessages.google.com
groovy-manul.pikapod.net
intake.pbstck.com
js.stripe.com
linuxhandbook.com
m.stripe.com
m.stripe.network
refresh.pbstck.com
region1.google-analytics.com
scripts.snack-media.com
sdk.apester.com
securepubads.g.doubleclick.net
static.apester.com
static.cloudflareinsights.com
tagan.adlightning.com
widgets.snack-projects.co.uk
www.googletagmanager.com
13.224.57.2
151.101.130.217
151.101.2.217
18.194.115.222
18.66.147.50
2001:4860:4802:32::36
2400:52e0:1e00::1081:1
2400:52e0:1e00::1082:1
2600:9000:2057:3800:19:7d10:bd80:93a1
2600:9000:2204:6600:1b:cadc:ef40:93a1
2606:4700:10::6816:445
2606:4700:10::6816:5d
2606:4700:10::ac43:1997
2606:4700:20::ac43:49c6
2606:4700::6810:3865
2606:4700::6810:5814
2a00:1450:4001:806::2002
2a00:1450:4001:80e::2008
2a00:1450:4001:82a::200e
2a00:1450:4001:82b::200a
2a01:4f8:121:32c2::2
34.102.160.142
34.120.111.33
44.240.235.135
54.193.234.106
99.86.4.76
0b144beb896e0d7612e0eeab489e4e682adac07cbc139924ce892bde3ccd3605
151c9fea259b701604d8e1a19b82b49640069997f502956b41eb4e6916cd4ebb
198fe8ffabd1262c5d7d80807b7002f21d36c045e2ade244496ebc1ef394b716
19e3d1d84873becf8509f6f02abdfdcdfd3ffc258a948f92f1141b89e151e7ab
1c032bf261837731afd87ab649502de3a9c21a262f88c521734eb07e6acef19c
1c0a8e058bde1ac669c9436e1c47d8b13b32e0708fee26897ab2042319c8654c
1ee8d27e37fc58960d302a50168120c05455a773d8f23fc90d0c91f228836ac2
203ed6cb986f3c28de61833f0f0ea2f7ba6bbd81bb27e25af5eedf4723d7d9b9
22740cd3726b994ffee82ac4aae4025a49ad30c8481e40068b0f26d47c84e270
23142b9d92f447b5cc7b6c18d92be8efc9d19eb1b5d8b54eb4b7d51c46dbed75
23e70091d1b8d4e869bb261f6bdaad07ac1b4d0a7facb21e4fdc5403842ca4f5
248ee1c21afaf4079755d30e8493167f73e6c6c1415d759bd5647900ca7e3cc8
2b09e0e311bdf03ba53d870849ab1a1885ae7e478a6fa002272b605d6665e86d
2f8c44d59686a646e29e67f464a88898f4adcacbdb8f133390532b7c57e4621c
33d795a90bf6603180b7a48d5027fdf0fec86b8237a2fbf5d3ebaf6dda0f2c45
34dd3613ece47a3ac950e6dd8517339442a705b99c6d61f4313c60dc7f73570d
35dcc382eb69d00369d708708cdc545f3968b68fa5bbe3e728d11fedd04f93bb
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