Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of analytics.fcrtech.cz. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Start 2026-01-24 06:56:15 -->> 90.182.206.241:443 (analytics.fcrtech.cz) <<-- rDNS (90.182.206.241): 241.22427.206.182.90.in-addr.arpa. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner FCR PROXY Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Access-Control-Allow-Origin: * Access-Control-Allow-Credentials: true Referrer-Policy: strict-origin-when-cross-origin Cache-Control: max-age=0, private, must-revalidate Reverse Proxy banner -- 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) potentially NOT ok, "gzip" HTTP compression detected. - only supplied "/" tested Can be ignored for static pages or if no secrets in the page 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) not vulnerable (OK) 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=FE804E1620CAF9EE0C38C462148077704927E3099E345B39FC6DDCC2C9A15155 LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no common prime detected BEAST (CVE-2011-3389) TLS1: ECDHE-RSA-AES256-SHA ECDHE-RSA-AES128-SHA DHE-RSA-AES256-SHA DHE-RSA-AES128-SHA AES256-SHA AES128-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) - CAMELLIA or ECDHE_RSA GCM ciphers found RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-24 06:57:35 [ 92s] -->> 90.182.206.241:443 (analytics.fcrtech.cz) <<--
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.