URL: http://c3ctf.com/
Submission: On March 06 via api from US — Scanned from DE

Summary

This website contacted 2 IPs in 1 countries across 1 domains to perform 7 HTTP transactions. The main IP is 2606:4700:3032::ac43:84d0, located in United States and belongs to CLOUDFLARENET, US. The main domain is c3ctf.com.
This is the only time c3ctf.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 8 2606:4700:303... 13335 (CLOUDFLAR...)
7 2
Apex Domain
Subdomains
Transfer
8 c3ctf.com
c3ctf.com
18 KB
7 1
Domain Requested by
8 c3ctf.com 2 redirects c3ctf.com
7 1

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

Domain
www.cloudflare.com
Subject Issuer Validity Valid
c3ctf.com
GTS CA 1P5
2024-02-23 -
2024-05-23
3 months crt.sh

This page contains 2 frames:

Primary Page: http://c3ctf.com/
Frame ID: 637C07040CF4D960139022B2220628BC
Requests: 4 HTTP requests in this frame

Frame: https://c3ctf.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/main.js
Frame ID: 4C38DBBE1BFA3E932C147AD6666BB01C
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

Attention Required! | Cloudflare

Page Statistics

7
Requests

14 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

2
IPs

1
Countries

16 kB
Transfer

40 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 3
  • http://c3ctf.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://c3ctf.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://c3ctf.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/main.js
Request Chain 4
  • http://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded HTTP 307
  • https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
c3ctf.com/
5 KB
3 KB
Document
General
Full URL
http://c3ctf.com/
Protocol
HTTP/1.1
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
62d8d4204ad5c4a7cf078e424faddfa8f53a974956535537ddb1b4787510ab66
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

CF-RAY
8603c968e82e6ded-CPH
Cache-Control
max-age=15
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=UTF-8
Date
Wed, 06 Mar 2024 16:40:18 GMT
Expires
Wed, 06 Mar 2024 16:40:33 GMT
NEL
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=TaUU%2BV5XMWS3lsHUVve3yIvqRf0Qq3U%2BaOE2NP1WlTjkK3gmxDrgrwi%2BKyM3B5zPaU57AjKTRsvSjN5uoCPZEfgPqp3pyWKf3hMlLkHddPQUY2hA0TU4TTC0QKR4Q3iYRClkSXGZ5Sk%3D"}],"group":"cf-nel","max_age":604800}
Server
cloudflare
Transfer-Encoding
chunked
Vary
Accept-Encoding
alt-svc
h3=":443"; ma=86400
expect-ct
max-age=86400, enforce
referrer-policy
same-origin
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block
cf.errors.css
c3ctf.com/cdn-cgi/styles/
24 KB
5 KB
Stylesheet
General
Full URL
http://c3ctf.com/cdn-cgi/styles/cf.errors.css
Requested by
Host: c3ctf.com
URL: http://c3ctf.com/
Protocol
HTTP/1.1
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1103290e25ebda2712abe344a87facbac00ddaba712729be9fe5feef807bf91b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://c3ctf.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Date
Wed, 06 Mar 2024 16:40:18 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Fri, 01 Mar 2024 16:51:05 GMT
Server
cloudflare
ETag
W/"65e20779-5e44"
Transfer-Encoding
chunked
X-Frame-Options
DENY
Content-Type
text/css
Vary
Accept-Encoding
Cache-Control
max-age=7200, public
Connection
keep-alive
CF-RAY
8603c96979506ded-CPH
Expires
Wed, 06 Mar 2024 18:40:18 GMT
browser-bar.png
c3ctf.com/cdn-cgi/images/
715 B
1 KB
Image
General
Full URL
http://c3ctf.com/cdn-cgi/images/browser-bar.png?1376755637
Requested by
Host: c3ctf.com
URL: http://c3ctf.com/cdn-cgi/styles/cf.errors.css
Protocol
HTTP/1.1
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8c873472f4925d5d47521db4d52532d2983e9cb1bde8b43143a6cc6db56c35db
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://c3ctf.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Date
Wed, 06 Mar 2024 16:40:18 GMT
X-Content-Type-Options
nosniff
Last-Modified
Fri, 01 Mar 2024 16:51:05 GMT
Server
cloudflare
ETag
"65e20779-2cb"
X-Frame-Options
DENY
Vary
Accept-Encoding
Content-Type
image/png
Cache-Control
max-age=7200, public
Connection
keep-alive
Accept-Ranges
bytes
CF-RAY
8603c969a9a16ded-CPH
Content-Length
715
Expires
Wed, 06 Mar 2024 18:40:18 GMT
cf-no-screenshot-error.png
c3ctf.com/cdn-cgi/images/
3 KB
4 KB
Image
General
Full URL
http://c3ctf.com/cdn-cgi/images/cf-no-screenshot-error.png
Requested by
Host: c3ctf.com
URL: http://c3ctf.com/cdn-cgi/styles/cf.errors.css
Protocol
HTTP/1.1
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1c53772285052e52bb7c12ad46a85a55747ed7bf66963fe1993fcef91ff5b0d0
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://c3ctf.com/cdn-cgi/styles/cf.errors.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

Date
Wed, 06 Mar 2024 16:40:18 GMT
X-Content-Type-Options
nosniff
Last-Modified
Fri, 01 Mar 2024 16:51:05 GMT
Server
cloudflare
ETag
"65e20779-c8d"
X-Frame-Options
DENY
Vary
Accept-Encoding
Content-Type
image/png
Cache-Control
max-age=7200, public
Connection
keep-alive
Accept-Ranges
bytes
CF-RAY
8603c969cca48f54-CPH
Content-Length
3213
Expires
Wed, 06 Mar 2024 18:40:18 GMT
main.js
c3ctf.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/ Frame 4C38
Redirect Chain
  • http://c3ctf.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://c3ctf.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://c3ctf.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/main.js
8 KB
4 KB
Script
General
Full URL
https://c3ctf.com/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/main.js
Protocol
H2
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b923b92070574233b41702f6efb2e2ac5b2f2721ea4d07eff88dccb2cef2898b
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

date
Wed, 06 Mar 2024 16:40:18 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
br
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
same-origin
server
cloudflare
expect-ct
max-age=86400, enforce
vary
accept-encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=jDtmMia2WSbtS9tAtTIk4hHF3IIK3jrNMOkngmTztsU%2FKnAwVcNec2UQI1a3olCT5Mo2SykdGYiWHm9o2b2RBUnXELZIZY3OyI%2FL9Mr9shtfqxClw6UyA5XQYlLtxyUIwQ7lDHrqcTA%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
x-frame-options
SAMEORIGIN
cache-control
max-age=14400, public
cf-ray
8603c96a9b8e6ded-CPH

Redirect headers

date
Wed, 06 Mar 2024 16:40:18 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
x-xss-protection
1; mode=block
referrer-policy
same-origin
server
cloudflare
expect-ct
max-age=86400, enforce
vary
accept-encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=MtC8oG5tRcuCEv%2By7GenX10ieNXlOhdp6MpQooblIqJAJpTX%2F9hnBquxjp%2FGpeMeVAQbynlxx170GEtdVLmekZO%2FhQ%2BFAUfYZXuCk81QpqSj4cYcIg2PsOOifYN6FBvyU%2BcB%2BtArwTI%3D"}],"group":"cf-nel","max_age":604800}
access-control-allow-origin
*
location
/cdn-cgi/challenge-platform/h/b/scripts/jsd/aeb70db32f0f/main.js
cache-control
max-age=300, public
x-frame-options
SAMEORIGIN
cf-ray
8603c96a5b126ded-CPH
8603c968e82e6ded
c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame 4C38
Redirect Chain
  • http://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded
  • https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded
0
0

8603c968e82e6ded
c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame
0
0
Preflight
General
Full URL
https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3032::ac43:84d0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
http://c3ctf.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.111 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-chl-out
O90XSc8cviWpVC+dPeloEA==$d5hi5UKJzP9IgT9AABg7Eg==
cf-ray
8603c96bae4a8f5a-CPH
content-type
application/json
date
Wed, 06 Mar 2024 16:40:18 GMT
expect-ct
max-age=86400, enforce
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
same-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=jKoyYroTdDsTypKRUGE%2FPYmd7UrVmwQN2xao0EBNZSIgNvfxWLP0n7dN8BYJAfOEPjiE3ZuApg1U%2F%2BwY5xG0np7eC5qhpCuP2Hts6Qd9yJ7xWKhAGi%2BVb9sk8LiuqWj3UjkQ9LwRFUo%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Failed requests

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

Domain
c3ctf.com
URL
https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded

Verdicts & Comments Add Verdict or Comment

2 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| _cf_translation

0 Cookies

3 Console Messages

Source Level URL
Text
network error URL: http://c3ctf.com/
Message:
Failed to load resource: the server responded with a status of 403 (Forbidden)
javascript error URL: about:blank
Message:
Access to XMLHttpRequest at 'https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded' (redirected from 'http://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded') from origin 'http://c3ctf.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
network error URL: https://c3ctf.com/cdn-cgi/challenge-platform/h/b/jsd/r/8603c968e82e6ded
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
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block