CloudFlare

HTTP/1.1 403 Forbidden
Date: Tue, 01 Apr 2025 00:55:17 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5892
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 92941ebbf9b83808-FRA

CTFd Blog

HTTP/1.1 200 OK
Date: Mon, 31 Mar 2025 16:45:09 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: Express
Cache-Control: public, max-age=0
Vary: Accept-Encoding
cf-cache-status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ud4iCm66vc8VuG8BXpeYA5wPdcA7dQ2OPReZDXaKOoGoy6sxfYQy2kABly%2Ba0wEkCeEPjS5pIeWIa4o7ssgDZ4ltNiSNqfxfu0KXTT2w6fRz%2B6GoUIBjs%2B9m26tIxG0%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 929150c2194d6ce2-SEA
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=19513&min_rtt=19463&rtt_var=5511&sent=5&recv=7&lost=0&retrans=0&sent_bytes=2988&recv_bytes=929&delivery_rate=148795&cwnd=245&unsent_bytes=0&cid=aca73b77cc849953&ts=604&x=0"

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            61:18:f5:ae:f8:4b:60:8b:13:c5:5c:68:47:89:e4:0d
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=US, O=Google Trust Services, CN=WE1
        Validity
            Not Before: Mar 19 00:22:57 2025 GMT
            Not After : Jun 17 01:20:30 2025 GMT
        Subject: CN=ctfd.io
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:4d:5b:88:7b:d2:37:f8:5d:9e:44:fd:09:b1:39:
                    5e:ec:0f:94:b8:3a:38:49:22:58:80:3b:3b:52:ed:
                    67:7a:b4:fc:d1:0c:eb:5d:10:8c:d8:2f:64:61:f1:
                    29:14:62:ac:d6:eb:02:21:9a:be:d1:1b:8b:86:a9:
                    a9:4b:35:37:14
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                C0:68:DF:A6:21:DD:C4:B3:1A:49:03:77:40:97:CB:A3:A1:77:8B:9E
            X509v3 Authority Key Identifier: 
                90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
            Authority Information Access: 
                OCSP - URI:http://o.pki.goog/s/we1/YRg
                CA Issuers - URI:http://i.pki.goog/we1.crt
            X509v3 Subject Alternative Name: 
                DNS:ctfd.io, DNS:*.ctfd.io
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://c.pki.goog/we1/QfwDhc9dNKY.crl
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
                                1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
                    Timestamp : Mar 19 01:22:57.784 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:E9:63:74:A0:35:0E:02:5E:2D:A9:83:
                                CC:05:5A:BC:B8:53:F8:72:6E:48:98:F7:75:B3:F3:38:
                                56:3F:D8:3D:80:02:20:62:EA:20:C0:A4:CE:E6:CD:77:
                                CC:08:90:C4:E7:C6:F5:34:E2:9B:15:78:07:B1:0F:61:
                                21:06:BA:4F:86:52:58
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E0:92:B3:FC:0C:1D:C8:E7:68:36:1F:DE:61:B9:96:4D:
                                0A:52:78:19:8A:72:D6:72:C4:B0:4D:A5:6D:6F:54:04
                    Timestamp : Mar 19 01:22:58.785 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:1F:FB:5F:5B:43:1B:68:0F:42:18:A6:CF:
                                64:63:FC:33:56:21:8E:F0:B7:96:C0:37:F7:37:A7:68:
                                2F:D8:E9:82:02:21:00:BE:85:16:C7:85:23:EB:6D:14:
                                2D:99:88:B4:E9:B8:2E:07:7E:16:7F:36:D3:B9:F0:B0:
                                3E:20:5C:5F:B5:C9:81
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:46:02:21:00:cd:28:4a:5b:3b:43:41:db:f8:6e:21:13:b8:
        57:04:c8:2d:0e:ec:a5:04:c6:eb:1d:8a:b8:f0:10:83:57:2a:
        c3:02:21:00:8c:30:a6:e9:e5:68:1a:84:23:2d:a7:fb:26:bd:
        c3:69:fc:62:55:15:f0:14:d0:08:04:cb:78:ff:f3:9d:b3:b6

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Wed, 05 Mar 2025 00:00:06 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

HTTP/1.1 403 Forbidden
Date: Mon, 31 Mar 2025 14:09:44 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5894
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 92906d1abfb96343-LHR

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Mon, 31 Mar 2025 19:48:19 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

HTTP/1.1 403 Forbidden
Date: Mon, 31 Mar 2025 20:55:34 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5892
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 9292bf97eeba3264-VIE

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Mon, 31 Mar 2025 23:10:08 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

CloudFlare

HTTP/1.1 403 Forbidden
Date: Mon, 31 Mar 2025 18:43:44 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5895
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 9291fe7cdc86ac72-YYZ

CloudFlare

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Mon, 31 Mar 2025 05:43:24 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

HTTP/1.1 403 Forbidden
Date: Fri, 28 Mar 2025 20:16:09 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 16
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 9279cdba7ceffe3c-AMS

error code: 1003