Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of yak.divertnow.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 104.18.20.31 104.18.21.31 ----------------------------------------------------- Start 2026-03-17 00:35:53 -->> 104.18.20.31:443 (yak.divertnow.com) <<-- Further IP addresses: 104.18.21.31 2606:4700::6812:151f 2606:4700::6812:141f rDNS (104.18.20.31): -- 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 cloudflare Application banner -- Cookie(s) (none issued at "/") Security headers Cross-Origin-Resource-Policy: cross-origin Access-Control-Allow-Origin: * Cache-Control: public, max-age=86400 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, "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) 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=347E217DA5093758A7239C1F6C5DCE005CC0ACE3451AE635B6D9F290717991AA 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 AES128-SHA ECDHE-RSA-AES256-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 2026-03-17 00:36:44 [ 60s] -->> 104.18.20.31:443 (yak.divertnow.com) <<-- ----------------------------------------------------- Start 2026-03-17 00:36:45 -->> 104.18.21.31:443 (yak.divertnow.com) <<-- Further IP addresses: 104.18.20.31 2606:4700::6812:151f 2606:4700::6812:141f rDNS (104.18.21.31): -- 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 cloudflare Application banner -- Cookie(s) (none issued at "/") Security headers Cross-Origin-Resource-Policy: cross-origin Access-Control-Allow-Origin: * Cache-Control: public, max-age=86400 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, "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) 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=347E217DA5093758A7239C1F6C5DCE005CC0ACE3451AE635B6D9F290717991AA 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 AES128-SHA ECDHE-RSA-AES256-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 2026-03-17 00:37:45 [ 121s] -->> 104.18.21.31:443 (yak.divertnow.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 104.18.20.31 104.18.21.31
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.