Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of web-platform.bytebrew.io. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Start 2026-07-10 16:40:55 -->> 192.178.210.121:443 (web-platform.bytebrew.io) <<-- Further IP addresses: 2607:f8b0:4001:c16::79 rDNS (192.178.210.121): yucbfiv-in-f121.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner Kestrel Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: object-src 'none'; form-action 'self'; frame-ancestors 'none' X-XSS-Protection: 1; mode=block Referrer-Policy: strict-origin-when-cross-origin Reverse Proxy banner Via: 1.1 google Testing vulnerabilities Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK) TLS_FALLBACK_SCSV (RFC 7507) Downgrade attack prevention supported (OK) SWEET32 (CVE-2016-2183, CVE-2016-6329) VULNERABLE, uses 64 bit block ciphers FREAK (CVE-2015-0204) not vulnerable (OK) DROWN (CVE-2016-0800, CVE-2016-0703) not vulnerable on this host and port (OK) make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=881F6E3C506F94A28864B94C75FEB00A581229971C05E1A7993BAAE07A88FE96 LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) TLS1: ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-SHA AES128-SHA AES256-SHA DES-CBC3-SHA VULNERABLE -- but also supports higher protocols TLSv1.1 TLSv1.2 (likely mitigated) LUCKY13 (CVE-2013-0169), experimental potentially VULNERABLE, uses obsolete cipher block chaining ciphers with TLS, see server prefs. Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-07-10 16:41:40 [ 54s] -->> 192.178.210.121:443 (web-platform.bytebrew.io) <<--
About this Scan
This scan uses testssl.sh to check for:
- Protocols: SSLv2, SSLv3, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3
- Vulnerabilities: Heartbleed, POODLE, FREAK, Logjam, DROWN, etc.
- Cipher Suites: Weak ciphers, perfect forward secrecy (PFS) support.