Security Report for stresse.st - Deep SSL/TLS Vulnerability Analysis

Deep SSL/TLS Vulnerability Test

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

Scan Results

 Start 2026-03-12 04:34:34        -->> 216.198.79.1:443 (stresse.st) <<--

 rDNS (216.198.79.1):    --
 Service detected:       HTTP

 Testing for server implementation bugs 

 No bugs found.

 Testing HTTP header response @ "/" 

 HTTP Status Code             307 Temporary Redirect, redirecting to "https://www.stresse.st/"
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    730 days=63072000 s, just this domain
 Public Key Pinning           --
 Server banner                Vercel
 Application banner           --
 Cookie(s)                    (none issued at "/") -- HTTP status 307 signals you maybe missed the web application
 Security headers             Cache-Control: public, max-age=0, 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)                    no gzip/deflate/compress/br HTTP compression (OK)  - only supplied "/" tested
 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=3BD3E30ECD80BC44C0BB111CEA4AEBCB1748A574487FAB033DB3097115655FE1
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no common prime detected
 BEAST (CVE-2011-3389)                     not vulnerable (OK), no SSL3 or TLS1
 LUCKY13 (CVE-2013-0169), experimental     not vulnerable (OK)
 Winshock (CVE-2014-6321), experimental    not vulnerable (OK)
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2026-03-12 04:35:21 [  58s] -->> 216.198.79.1:443 (stresse.st) <<--

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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