kb.offsec.nl Open in urlscan Pro
2606:4700:3035::6815:43cb Public Scan

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Submitted URL:
http://kb.offsec.nl/
Effective URL:
https://kb.offsec.nl/
Submission: On February 29 via manual (February 29th 2024, 8:14:46 pm UTC) from US — Scanned from NL

Summary HTTP 40 Redirects Links 5 Behaviour Indicators

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 40 HTTP transactions. The main IP is 2606:4700:3035::6815:43cb, located in United States and belongs to CLOUDFLARENET, US. The main domain is kb.offsec.nl.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on October 6th 2023. Valid for: a year.

This is the only time kb.offsec.nl was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2606:4700:303... 2606:4700:3030::ac43:b494	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 37	2606:4700:303... 2606:4700:3035::6815:43cb	13335 (CLOUDFLAR...) (CLOUDFLARENET)
3	2606:4700::68... 2606:4700::6810:3965	13335 (CLOUDFLAR...) (CLOUDFLARENET)
40	3

1 2606:4700:3030::ac43:b494 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

kb.offsec.nl	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

37 2606:4700:3035::6815:43cb (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

kb.offsec.nl	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2606:4700::6810:3965 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
38	offsec.nl 2 redirects kb.offsec.nl	1 MB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 787 cloudflareinsights.com — Cisco Umbrella Rank: 784	14 KB
40	2

	Domain	Requested by
38	kb.offsec.nl	2 redirects kb.offsec.nl
2	static.cloudflareinsights.com	kb.offsec.nl
1	cloudflareinsights.com	static.cloudflareinsights.com
40	3

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

Domain
github.com
twitter.com
discord.gg
offsec.nl

Subject Issuer	Validity	Valid
kb.offsec.nl Cloudflare Inc ECC CA-3	`2023-10-06` - `2024-10-05`	a year	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-04-10` - `2024-04-09`	a year	crt.sh

This page contains 2 frames:

Primary Page: https://kb.offsec.nl/
Frame ID: 3A5AD5DB840FFC59E2F90E4484691946
Requests: 39 HTTP requests in this frame

Frame: https://kb.offsec.nl/cdn-cgi/challenge-platform/h/g/scripts/jsd/a0d8959cb7d0/main.js
Frame ID: A3A43DCFD0FCFEE691521BD6B97CEAC2
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Home :: Knowledge Base (KB)

Page URL History Show full URLs

http://kb.offsec.nl/ HTTP 301
https://kb.offsec.nl/ Page URL

Detected technologies

Mermaid (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

/mermaid(?:\.min)?\.js

Clipboard.js (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

clipboard(?:-([\d.]+))?(?:\.min)?\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<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]+)?)?)|)

Modernizr (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

([\d.]+)?/modernizr(?:\.([\d.]+))?.*\.js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

40
Requests

95 %
HTTPS

100 %
IPv6

2
Domains

3
Subdomains

3
IPs

1
Countries

1456 kB
Transfer

4544 kB
Size

1
Cookies

5 Outgoing links

These are links going to different origins than the main page.

URL: https://github.com/crypt0rr/kb
Title: GitHub

Search URL Search Domain Scan URL

URL: https://twitter.com/crypt0rr_
Title: Twitter

Search URL Search Domain Scan URL

URL: https://discord.gg/yhfPKyBGbp
Title: Discord

Search URL Search Domain Scan URL

URL: https://offsec.nl/
Title: More helpfull tools?

Search URL Search Domain Scan URL

URL: https://github.com/crypt0rr
Title: crypt0rr

Search URL Search Domain Scan URL

Page URL History

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

http://kb.offsec.nl/ HTTP 301
https://kb.offsec.nl/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 37

https://kb.offsec.nl/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
https://kb.offsec.nl/cdn-cgi/challenge-platform/h/g/scripts/jsd/a0d8959cb7d0/main.js

40 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
kb.offsec.nl/
Redirect Chain

http://kb.offsec.nl/
https://kb.offsec.nl/

404 KB
38 KB

167ms
104ms

Document
text/html

2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c3692398f525e226f846273c38b81ea6721425cff0b9861038c16f2a59e513bf

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36
accept-language: nl-NL,nl;q=0.9

Response headers

access-control-allow-headers: *
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
access-control-allow-origin: kb.offsec.nl cloudflareinsights.com
alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=0, must-revalidate
cf-cache-status: DYNAMIC
cf-ray: 85d39331ed956f9f-CDG
content-encoding: br
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
content-type: text/html; charset=utf-8
date: Thu, 29 Feb 2024 20:14:41 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\/v3?s=3qdVQng%2B2ibH4HwunuYcSW8%2FOhzEa2RdnAfP2WGSRF%2F8mw8BgMD1tL8z2JX5bQ5ecWXyi0EmA%2FmUMgKcO5lh9wCzNdbJVugNTyXd0QWSfBP9Df%2F6QMkc142BBkbJL8zNeQjTIEmJSDqdFsQ%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare
strict-transport-security: max-age=15552000; includeSubDomains
vary: Accept-Encoding
x-content-type-options: nosniff
x-frame-options: DENY

Redirect headers

CF-RAY: 85d393313c676fa2-CDG
Cache-Control: max-age=3600
Connection: keep-alive
Date: Thu, 29 Feb 2024 20:14:40 GMT
Expires: Thu, 29 Feb 2024 21:14:40 GMT
Location: https://kb.offsec.nl/
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Q2lmlpt4jr4WYmqwj0Eie8Pdy9TyKf5ITeYKFW8rIVc%2BCz3pwoEx14PPj%2Fh90GXiXftXYNnpq9jruAf4it0wq6pffx8g0hbllxkZ93Gor7UrNzmMlwEkSAXEjF07tHuKZCFmsbc0roJbAEY%3D"}],"group":"cf-nel","max_age":604800}
Server: cloudflare
Transfer-Encoding: chunked
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
alt-svc: h3=":443"; ma=86400

GET
H2 200 nucleus.css
kb.offsec.nl/css/ 12 KB
3 KB 109ms
106ms Stylesheet
text/css 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/css/nucleus.css?1708417440

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

4a1c66642dcc8d800ecdc2539e4ac37c4eebc21930ce43b694d80facfd179d4e

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://kb.offsec.nl/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
x-content-type-options: nosniff
cf-cache-status: MISS
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15552000; includeSubDomains
content-encoding: br
alt-svc: h3=":443"; ma=86400
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: W/"cb52f201d8c8839e82560a23434968ad"
x-frame-options: DENY
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: text/css; charset=utf-8
access-control-allow-origin: kb.offsec.nl cloudflareinsights.com
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=oHhXZ4ziPuqeiVtb%2FIhAOcsph1Q%2FRlBgS1o51XWXSNJ3m6zQ%2FQZIW8NrmkdbyXtSWXEJV9LKVFaN%2BWtmQKwuwnJ5J3oUD1H0j3jD6oKsxuoALJGm%2F6uquuW0HUj4Mh02tA0DktD81k4sE%2FQ%3D"}],"group":"cf-nel","max_age":604800}
cache-control: public, max-age=14400, must-revalidate
vary: Accept-Encoding
cf-ray: 85d393329e9b6f9f-CDG
access-control-allow-headers: *

GET
H2 200 fontawesome-all.min.css
kb.offsec.nl/css/ 52 KB
12 KB 106ms
104ms Stylesheet
text/css 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/css/fontawesome-all.min.css?1708417440

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

481a0574246e281316ffa0e15399bf5388bb81ae550ce0401a0353b6bb2d1e5a

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://kb.offsec.nl/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
x-content-type-options: nosniff
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15552000; includeSubDomains
content-encoding: br
alt-svc: h3=":443"; ma=86400
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: W/"4f17c60c173f591da8ce958e1b896d1e"
x-frame-options: DENY
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: text/css; charset=utf-8
access-control-allow-origin: kb.offsec.nl cloudflareinsights.com
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=wycRlrVEJehZWGZfrqGM7eyNAZEn50Q8hBTnd32sesnQ8lsRxw1VZ0BY7avH%2BPZVn%2FmQ2KbOdzF%2Beb7b%2FsCoS%2FOCViScU3l%2BGE1%2FoIk84QE%2BqQGXduWXUhlLpSa0aos%3D"}],"group":"cf-nel","max_age":604800}
cache-control: public, max-age=14400, must-revalidate
vary: Accept-Encoding
cf-ray: 85d39332ae9f6f9f-CDG
access-control-allow-headers: *

GET
H2 200 hybrid.css
kb.offsec.nl/css/ 1 KB
892 B 79ms
77ms Stylesheet
text/css 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/css/hybrid.css?1708417440

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

a6f64f8ec6753996d92b6bffcf086d159d827963c68cdf495cca339554607dd7

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://kb.offsec.nl/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
x-content-type-options: nosniff
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15552000; includeSubDomains
content-encoding: br
alt-svc: h3=":443"; ma=86400
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: W/"4d85d7e5959084f139f638ad58b802eb"
x-frame-options: DENY
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: text/css; charset=utf-8
access-control-allow-origin: kb.offsec.nl cloudflareinsights.com
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=xPr17srl5ztW2Mus7qJidPX0AlKbh4QqadnLkjA6%2Bd7xKXJWP2%2FRuu2jYgU81sn3G5M24vvpis%2BvLnxm%2BOXw2lKmOhfPSn6nFs164N3MrsyWOxNaqj5LsR6ZQ9ttSwAMq86kl0H%2FCQk8CBU%3D"}],"group":"cf-nel","max_age":604800}
cache-control: public, max-age=14400, must-revalidate
vary: Accept-Encoding
cf-ray: 85d39332aea16f9f-CDG
access-control-allow-headers: *

GET
H2 200 featherlight.min.css
kb.offsec.nl/css/ 2 KB
983 B 92ms
90ms Stylesheet
text/css 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/css/featherlight.min.css?1708417440

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

bc462b8920124b34fffa9f466debcfb0e097317ed6b76b73a547ad39c374fe34

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://kb.offsec.nl/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
x-content-type-options: nosniff
cf-cache-status: REVALIDATED
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15552000; includeSubDomains
content-encoding: br
alt-svc: h3=":443"; ma=86400
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
etag: W/"d0655fd47466612f206aec4f72e520f1"
x-frame-options: DENY
access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS
content-type: text/css; charset=utf-8
access-control-allow-origin: kb.offsec.nl cloudflareinsights.com
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=74IZAH3HNMG4f9vnugyTeWHCgx%2BbhVXx1SznXtpdaU4%2F%2B2r3qoK1Rfj9y02m6UP8%2BClYQ80Jsy3%2FBk0TwQtwl%2Fjm9q5gkBWETyJkL%2FgU2pAoSbY3%2BuHXhVJ2jRf7fBU%3D"}],"group":"cf-nel","max_age":604800}
cache-control: public, max-age=14400, must-revalidate
vary: Accept-Encoding
cf-ray: 85d39332aea56f9f-CDG
access-control-allow-headers: *

GET
H2 200 perfect-scrollbar.min.css
kb.offsec.nl/css/ 5 KB
1 KB 99ms
97ms Stylesheet
text/css 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/css/perfect-scrollbar.min.css?1708417440

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

036e42072d5e2564897ce88c8a29b6521560e982b9e9143b88516ca921630fb7

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://kb.offsec.nl/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
content-security-policy: frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
x-content-type-options: nosniff
cf-cache-status: REVALIDATED
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date: Thu, 29 Feb 2024 20:14:41 GMT
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Show headers Download Go to

Full URL

https://cloudflareinsights.com/cdn-cgi/rum

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6810:3965 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

Accept: */*
Access-Control-Request-Headers: content-type
Access-Control-Request-Method: POST
Origin: https://kb.offsec.nl
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: Content-Type
access-control-allow-methods: POST,OPTIONS
access-control-allow-origin: https://kb.offsec.nl
access-control-max-age: 86400
cf-ray: 85d39335887abbad-FRA
content-encoding: gzip
content-type: text/plain
date: Thu, 29 Feb 2024 20:14:41 GMT
server: cloudflare
vary: Origin
x-content-type-options: nosniff
x-frame-options: DENY

POST rum
cloudflareinsights.com/cdn-cgi/ 0
0

POST
H3 200 85d39331ed956f9f Show response
kb.offsec.nl/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame A3A4 0
634 B 46ms
46ms XHR
text/plain 2606:4700:3035::6815:43cb
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://kb.offsec.nl/cdn-cgi/challenge-platform/h/g/jsd/r/85d39331ed956f9f

Requested by

Host: kb.offsec.nl
URL: https://kb.offsec.nl/cdn-cgi/challenge-platform/scripts/jsd/main.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700:3035::6815:43cb , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff

Request headers

Referer
accept-language: nl-NL,nl;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.94 Safari/537.36
Content-Type: application/json

Response headers

date: Thu, 29 Feb 2024 20:14:41 GMT
strict-transport-security: max-age=15552000; includeSubDomains
x-content-type-options: nosniff
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
content-encoding: br
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=yQyTrTLNsgMO%2FCkmirHKn9wrjqVdAf%2BYnhzuxl9YC8U2xgbvwmWxw6wOx2TYKXXbFJGrysdWj0lGBiZoyidudBxW0Vf34DlAxrWzOR1hOHMpd03RSDn0rSKhpQTs3n9CNnkkjBnFypptvKE%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/plain; charset=UTF-8
cf-ray: 85d393365c9fb897-AMS
alt-svc: h3=":443"; ma=86400
priority: u=1,i

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: cloudflareinsights.com
URL: https://cloudflareinsights.com/cdn-cgi/rum

Verdicts & Comments Add Verdict or Comment

29 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.

1 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

			Domain/Path	Expires	Name / Value
			.offsec.nl/	1970-01-21 03:32:53	Name: cf_clearance Value: iLjxIkH_u2LW5K_BToh.6vqvN2kEiP1J1wzu8CSN71w-1709237681-1.0-AXOH37u/0wHEuKNIqGvnHfF0K2q5cv/nIp5wqorQHoft42T1wm+Zh/EP9fhHbNhLw51+a05/8GcDdV7Zyy1V3rY=

2 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
javascript	error	URL: https://kb.offsec.nl/ Message: Access to XMLHttpRequest at 'https://cloudflareinsights.com/cdn-cgi/rum' from origin 'https://kb.offsec.nl' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
network	error	URL: https://cloudflareinsights.com/cdn-cgi/rum Message: Failed to load resource: net::ERR_FAILED

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
Content-Security-Policy	frame-ancestors 'self' https://kb.offsec.nl; script-src 'self' https://kb.offsec.nl https://static.cloudflareinsights.com 'unsafe-inline'; connect-src https://kb.offsec.nl https://cloudflareinsights.com; worker-src 'self' blob:; block-all-mixed-content; upgrade-insecure-requests;
Strict-Transport-Security	max-age=15552000; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

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.

cloudflareinsights.com
kb.offsec.nl
static.cloudflareinsights.com
cloudflareinsights.com
2606:4700:3030::ac43:b494
2606:4700:3035::6815:43cb
2606:4700::6810:3965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kb.offsec.nl Open in urlscan Pro 2606:4700:3035::6815:43cb Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

40 Requests

95 %HTTPS

100 %IPv6

2 Domains

3 Subdomains

3 IPs

1 Countries

1456 kBTransfer

4544 kBSize

1 Cookies

5 Outgoing links

Page URL History

Redirected requests

40 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

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kb.offsec.nl Open in urlscan Pro
2606:4700:3035::6815:43cb Public Scan

Screenshot
Live screenshot

Full Image

40
Requests

95 %
HTTPS

100 %
IPv6

2
Domains

3
Subdomains

3
IPs

1
Countries

1456 kB
Transfer

4544 kB
Size

1
Cookies

40 HTTP transactions
2 data transactions