URL: https://lwn.net/Articles/542629/
Submission Tags: demotag1 demotag2 Search All
Submission: On July 03 via api from US — Scanned from DE

Summary

This website contacted 4 IPs in 1 countries across 3 domains to perform 9 HTTP transactions. The main IP is 2600:3c03::f03c:93ff:febd:80f5, located in Cedar Knolls, United States and belongs to AKAMAI-LINODE-AP Akamai Connected Cloud, SG. The main domain is lwn.net. The Cisco Umbrella rank of the primary domain is 377099.
TLS certificate: Issued by R3 on June 6th 2023. Valid for: 3 months.
This is the only time lwn.net was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
3 2600:3c03::f0... 63949 (AKAMAI-LI...)
2 2600:3c03::f0... 63949 (AKAMAI-LI...)
3 34.200.104.13 14618 (AMAZON-AES)
1 13.225.78.30 16509 (AMAZON-02)
9 4
Apex Domain
Subdomains
Transfer
5 lwn.net
lwn.net — Cisco Umbrella Rank: 377099
static.lwn.net
26 KB
3 adzerk.net
engine.adzerk.net — Cisco Umbrella Rank: 64636
e-4669.adzerk.net
12 KB
1 zkcdn.net
s.zkcdn.net — Cisco Umbrella Rank: 46955
62 KB
9 3
Domain Requested by
3 lwn.net lwn.net
2 e-4669.adzerk.net engine.adzerk.net
2 static.lwn.net lwn.net
1 s.zkcdn.net
1 engine.adzerk.net lwn.net
9 5
Subject Issuer Validity Valid
linuxcalendar.com
R3
2023-06-06 -
2023-09-04
3 months crt.sh
static.lwn.net
R3
2023-05-23 -
2023-08-21
3 months crt.sh
engine.employment.org
Amazon RSA 2048 M02
2023-06-15 -
2024-07-13
a year crt.sh
*.zkcdn.net
Amazon RSA 2048 M01
2023-03-23 -
2024-04-20
a year crt.sh

This page contains 1 frames:

Primary Page: https://lwn.net/Articles/542629/
Frame ID: 53D0B86AFC2EB7EE9377102313A9A312
Requests: 9 HTTP requests in this frame

Screenshot

Page Title

The SO_REUSEPORT socket option [LWN.net]

Detected technologies

Overall confidence: 100%
Detected patterns
  • adzerk\.net/ados\.js

Page Statistics

9
Requests

100 %
HTTPS

50 %
IPv6

3
Domains

5
Subdomains

4
IPs

1
Countries

99 kB
Transfer

161 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
lwn.net/Articles/542629/
34 KB
10 KB
Document
General
Full URL
https://lwn.net/Articles/542629/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:3c03::f03c:93ff:febd:80f5 Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7 /
Resource Hash
64f151bebfe8bae209f63a40bcde3a56af6a8eca98d6f35b461eb66ad014cc6e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
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/114.0.5735.198 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Cache-Control
max-age=0, must-revalidate
Connection
Keep-Alive
Content-Encoding
gzip
Content-Length
9385
Content-Type
text/html; charset=utf-8
Date
Mon, 03 Jul 2023 23:53:23 GMT
Expires
-1
Keep-Alive
timeout=5, max=100
Last-Modified
Mon, 27 Feb 2023 14:00:19 GMT
Permissions-Policy
interest-cohort=()
Server
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7
Strict-Transport-Security
max-age=31536000
X-Content-Type-Options
nosniff
X-Frame-Options
SAMEORIGIN
lwn
lwn.net/CSS/
16 KB
4 KB
Stylesheet
General
Full URL
https://lwn.net/CSS/lwn
Requested by
Host: lwn.net
URL: https://lwn.net/Articles/542629/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:3c03::f03c:93ff:febd:80f5 Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7 /
Resource Hash
f52315947fc6729e502b1c1af6504f79a813166ef22e09ede4a8f5bf06508782
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/Articles/542629/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date
Mon, 03 Jul 2023 23:53:23 GMT
Strict-Transport-Security
max-age=31536000
X-Content-Type-Options
nosniff
Content-Encoding
gzip
Server
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Cache-Control
max-age=180
Permissions-Policy
interest-cohort=()
Connection
Keep-Alive
Keep-Alive
timeout=5, max=99
Content-Length
3824
Expires
Mon, 03 Jul 2023 23:56:23 GMT
nosub
lwn.net/CSS/
31 B
454 B
Stylesheet
General
Full URL
https://lwn.net/CSS/nosub
Requested by
Host: lwn.net
URL: https://lwn.net/Articles/542629/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:3c03::f03c:93ff:febd:80f5 Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7 /
Resource Hash
dbe7168f1a479461517640b52a4e452be240cc1ba57bcc27487137bca3ad3774
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/Articles/542629/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date
Mon, 03 Jul 2023 23:53:23 GMT
Strict-Transport-Security
max-age=31536000
X-Content-Type-Options
nosniff
Server
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Cache-Control
max-age=180
Permissions-Policy
interest-cohort=()
Connection
Keep-Alive
Keep-Alive
timeout=5, max=98
Content-Length
31
Expires
Mon, 03 Jul 2023 23:56:23 GMT
barepenguin-70.png
static.lwn.net/images/logo/
8 KB
8 KB
Image
General
Full URL
https://static.lwn.net/images/logo/barepenguin-70.png
Requested by
Host: lwn.net
URL: https://lwn.net/Articles/542629/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:3c03::f03c:93ff:fefd:89a4 Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7 /
Resource Hash
3cbb38db9d797207052e1d2716900cbd3d26d8388f3799fddfb39a74003f9ce9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date
Mon, 03 Jul 2023 23:53:37 GMT
Last-Modified
Thu, 07 May 2015 18:15:42 GMT
Server
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7
ETag
"1e2a-51581e6480f80"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
7722
lcorner-ss.png
static.lwn.net/images/
3 KB
3 KB
Image
General
Full URL
https://static.lwn.net/images/lcorner-ss.png
Requested by
Host: lwn.net
URL: https://lwn.net/Articles/542629/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:3c03::f03c:93ff:fefd:89a4 Cedar Knolls, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7 /
Resource Hash
3bc747ddf2538eee6eb9a143a5b3657b38a75a72ac237a13b364336ea87e7dfa

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

Date
Mon, 03 Jul 2023 23:53:37 GMT
Last-Modified
Thu, 07 May 2015 17:55:14 GMT
Server
Apache/2.4.57 (CentOS Stream) OpenSSL/3.0.7
ETag
"c6f-515819d164480"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
3183
ados.js
engine.adzerk.net/
37 KB
10 KB
Script
General
Full URL
https://engine.adzerk.net/ados.js
Requested by
Host: lwn.net
URL: https://lwn.net/Articles/542629/
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.104.13 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-104-13.compute-1.amazonaws.com
Software
nginx /
Resource Hash
c88b748226e610c650313f48af58dac4f3c0d4b75a5364efabc3119648771f3f

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Mon, 03 Jul 2023 23:54:00 GMT
content-encoding
gzip
last-modified
Thu, 22 Jun 2023 08:49:10 GMT
server
nginx
etag
W/"64940b06-927f"
content-type
application/javascript
ados
e-4669.adzerk.net/
3 KB
2 KB
Script
General
Full URL
https://e-4669.adzerk.net/ados?t=1688428440267&request=%7B%22Placements%22%3A%5B%7B%22A%22%3A4669%2C%22S%22%3A20979%2C%22D%22%3A%22azk13321_leaderboard%22%2C%22AT%22%3A4%2C%22Z%22%3A%5B16026%5D%7D%2C%7B%22A%22%3A4669%2C%22S%22%3A20979%2C%22D%22%3A%22azk93271_right_zone%22%2C%22ATA%22%3A%5B5%2C10%2C6%5D%2C%22Z%22%3A%5B16027%5D%7D%2C%7B%22A%22%3A4669%2C%22S%22%3A20979%2C%22D%22%3A%22azk31017_tracking%22%2C%22AT%22%3A20%2C%22Z%22%3A%5B20995%5D%7D%5D%2C%22Keywords%22%3A%22T%253ASSL%22%2C%22Referrer%22%3A%22%22%2C%22IsAsync%22%3Atrue%7D
Requested by
Host: engine.adzerk.net
URL: https://engine.adzerk.net/ados.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.104.13 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-104-13.compute-1.amazonaws.com
Software
nginx / adzerk bifrost/
Resource Hash
d1a49de9188cb9547ea68bc47bbda31098609b104774d49ae726416a89e9ea25

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

expires
0
pragma
no-cache
date
Mon, 03 Jul 2023 23:54:00 GMT
content-encoding
gzip
server
nginx
x-powered-by
adzerk bifrost/
etag
W/"aaf-DtmV4IC5b8YDaJG+iU66g25HE60"
access-control-allow-methods
GET, PUT, POST, DELETE, OPTIONS
content-type
application/javascript; charset=utf-8
access-control-allow-origin
undefined
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
access-control-allow-headers
Accept, Origin, Content-Type, Content-Length, X-Adzerk-Explain, X-Adzerk-Sdk-Version
x-served-by
bifrost-production-shard005-us-east-1e-i-028dbcf7e4d49a75d
1d5984f093f94eaa8cf2e5987a023608.png
s.zkcdn.net/Advertisers/
61 KB
62 KB
Image
General
Full URL
https://s.zkcdn.net/Advertisers/1d5984f093f94eaa8cf2e5987a023608.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
13.225.78.30 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-225-78-30.fra2.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
44af9d3b5aa13b5000a52575aaf0ab494c9dad165112c17b2974fc117c81cf51

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

date
Fri, 23 Jun 2023 17:33:07 GMT
x-amz-version-id
POmrS_thi2qpiP44H3Rft1I5nYdOk1Qf
via
1.1 e1e056e45a0f8d6bc22b223900511170.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA2-C2
age
886854
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
content-length
62592
last-modified
Fri, 23 Jun 2023 17:29:52 GMT
server
AmazonS3
etag
"de6be1a8d0696aaf785008cb9a490fb2"
content-type
image/png
cache-control
max-age=31557600
accept-ranges
bytes
x-amz-cf-id
8-impFmXmg3FHLoo0NWzh1dCg4vAuLIjv18KNkI2tndctVsf440NDQ==
expires
Thu, 23 Jun 2033 17:29:51 GMT
i.gif
e-4669.adzerk.net/
43 B
485 B
Image
General
Full URL
https://e-4669.adzerk.net/i.gif?e=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&s=TdCu2zI5BiM5p4uU_7OZSs1w5hw
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.200.104.13 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-200-104-13.compute-1.amazonaws.com
Software
nginx / adzerk bifrost/
Resource Hash
a065920df8cc4016d67c3a464be90099c9d28ffe7c9e6ee3a18f257efc58cbd7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://lwn.net/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.198 Safari/537.36

Response headers

expires
0
pragma
no-cache
date
Mon, 03 Jul 2023 23:54:00 GMT
server
nginx
x-powered-by
adzerk bifrost/
etag
W/"2b-6KwiS6nul+h2cO1vOi8BKLevn+Q"
access-control-allow-methods
GET, PUT, POST, DELETE, OPTIONS
content-type
image/gif
access-control-allow-origin
undefined
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
access-control-allow-headers
Accept, Origin, Content-Type, Content-Length, X-Adzerk-Explain, X-Adzerk-Sdk-Version
content-length
43
x-served-by
bifrost-production-shard005-us-east-1a-i-0f8854ac2b6acb341

Verdicts & Comments Add Verdict or Comment

73 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.

boolean| credentialless object| onbeforetoggle object| onscrollend string| p string| d object| z object| s object| ados_keywords object| ados object| zerk_base64 function| zerk_generateUUID function| zerk_getQueryVariable function| adosRun function| cssLoad function| cssLinkLoad function| azHtmlLoad function| azScriptSRCLoad function| azScriptExtensionLoad function| azRegisterExtension function| azInitExtension function| ados_async_load function| azScriptInlineLoad function| azLoad function| zshow function| ados_addInlinePlacement function| ados_add_placement function| ados_addPlacement function| ados_loadDiv function| ados_setIp function| ados_setIP function| ados_setUserAgent function| ados_setUser function| ados_setConsent function| ados_setKeywords function| ados_setProperties function| ados_setKeywordCookie function| ados_setNoTrack function| ados_setDomain function| ados_setLatitude function| ados_setLongitude function| ados_setRadius function| ados_loadTags function| ados_setWriteResults function| ados_setPassbackTimeout function| ados_setAccessibility function| ados_log function| ados_addPlacementObject function| ados_refresh function| ados_loadResults function| ados_load function| ados_loadInline function| ados_loadPassback function| ados_passback_next function| ados_passback_last function| ados_findPassback function| azk_clearframe function| ados_passback function| azk_passback function| ados_execPassback function| ados_timeoutExpired function| ados_frameLoaded function| ados_passbackFilled function| ados_passbackWritePixel function| ados_writePixel function| ados_writeGenericPixel function| ados_loadFIframe function| ados_passback_receiveMessage object| zItems object| adosResults string| html__83279 function| html_command__73817 string| pixel__32300 function| pixel_command__19706

1 Cookies

Domain/Path Name / Value
lwn.net/ Name: sub_nag
Value: "Support LWN.net"

1 Console Messages

Source Level URL
Text
security warning
Message:
Error with Permissions-Policy header: Origin trial controlled feature not enabled: 'interest-cohort'.

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=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN