Deep SSL/TLS Vulnerability Test

This report provides a deep analysis of the SSL/TLS configuration of blog.qualys.com. It checks for protocol support, cipher strength, and known vulnerabilities.

Scan Results

 Start 2026-01-02 17:07:52        -->> 35.230.125.173:443 (blog.qualys.com) <<--

 rDNS (35.230.125.173):  173.125.230.35.bc.googleusercontent.com.
 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    730 days=63072000 s, includeSubDomains, preload
 Public Key Pinning           --
 Server banner                nginx
 Application banner           X-Powered-By: WP Engine
 Cookie(s)                    (none issued at "/")
 Security headers             X-Frame-Options: SAMEORIGIN
                              X-Content-Type-Options: nosniff
                              Content-Security-Policy: block-all-mixed-content;
                                frame-ancestors 'self' qualys.com *.qualys.com;
                              Permissions-Policy: autoplay=(), camera=(),
                                document-domain=(), encrypted-media=(),
                                fullscreen=(), geolocation=(), microphone=(),
                                midi=(), payment=(), picture-in-picture=(),
                                publickey-credentials-get=(), sync-xhr=(),
                                usb=(), xr-spatial-tracking=()
                              X-XSS-Protection: 1; mode=block
                              Permissions-Policy: autoplay=(), camera=(),
                                document-domain=(), encrypted-media=(),
                                fullscreen=(), geolocation=(), microphone=(),
                                midi=(), payment=(), picture-in-picture=(),
                                publickey-credentials-get=(), sync-xhr=(),
                                usb=(), xr-spatial-tracking=()
                              Referrer-Policy: no-referrer,
                                strict-origin-when-cross-origin
                              Cache-Control: max-age=600, must-revalidate
 Reverse Proxy banner         X-Cacheable: SHORT
                              X-Cache: HIT: 49
                              X-Cache-Group: normal


 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, "br 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)              No fallback possible (OK), no protocol below TLS 1.2 offered
 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=CE4BEBE4DD0A17E5098AD51870E408C80752AFCEF10B470ABD4927D8889139E0
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2
 BEAST (CVE-2011-3389)                     not vulnerable (OK), no SSL3 or TLS1
 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 2026-01-02 17:08:42 [  59s] -->> 35.230.125.173:443 (blog.qualys.com) <<--


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.

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