Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of www.firefox.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 151.101.195.19 151.101.3.19 151.101.67.19 151.101.131.19 ----------------------------------------------------- Start 2026-10-05 04:27:26 -->> 151.101.195.19:443 (www.firefox.com) <<-- Further IP addresses: 151.101.131.19 151.101.3.19 151.101.67.19 2a04:4e42::787 2a04:4e42:400::787 2a04:4e42:200::787 2a04:4e42:600::787 rDNS (151.101.195.19): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +134 sec from localtime HTTP Age (RFC 7234) 134 Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner granian Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Content-Security-Policy-Report-Only: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Cross-Origin-Opener-Policy: same-origin X-Served-By: cache-chi-kigq8000114-CHI, cache-chi-kigq8000114-CHI, cache-chi-klot8100164-CHI Referrer-Policy: strict-origin-when-cross-origin Cache-Control: max-age=600 Reverse Proxy banner via: 1.1 google, 1.1 varnish, 1.1 varnish X-Cache: MISS, HIT X-Cache-Hits: 0, 1 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=2E54622574340669B66E0AF8271E238A12350236E0F6573FFFF65EC9C1BEA5F4 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 2026-10-05 04:28:06 [ 49s] -->> 151.101.195.19:443 (www.firefox.com) <<-- ----------------------------------------------------- Start 2026-10-05 04:28:06 -->> 151.101.3.19:443 (www.firefox.com) <<-- Further IP addresses: 151.101.131.19 151.101.195.19 151.101.67.19 2a04:4e42::787 2a04:4e42:400::787 2a04:4e42:200::787 2a04:4e42:600::787 rDNS (151.101.3.19): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +176 sec from localtime HTTP Age (RFC 7234) 176 Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner granian Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Content-Security-Policy-Report-Only: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Cross-Origin-Opener-Policy: same-origin X-Served-By: cache-chi-kigq8000114-CHI, cache-chi-kigq8000114-CHI, cache-chi-kigq8000176-CHI Referrer-Policy: strict-origin-when-cross-origin Cache-Control: max-age=600 Reverse Proxy banner via: 1.1 google, 1.1 varnish, 1.1 varnish X-Cache: MISS, HIT X-Cache-Hits: 0, 1 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=2E54622574340669B66E0AF8271E238A12350236E0F6573FFFF65EC9C1BEA5F4 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 2026-10-05 04:28:49 [ 92s] -->> 151.101.3.19:443 (www.firefox.com) <<-- ----------------------------------------------------- Start 2026-10-05 04:28:49 -->> 151.101.67.19:443 (www.firefox.com) <<-- Further IP addresses: 151.101.131.19 151.101.195.19 151.101.3.19 2a04:4e42::787 2a04:4e42:400::787 2a04:4e42:200::787 2a04:4e42:600::787 rDNS (151.101.67.19): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +223 sec from localtime HTTP Age (RFC 7234) 223 Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner granian Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Content-Security-Policy-Report-Only: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Cross-Origin-Opener-Policy: same-origin X-Served-By: cache-chi-kigq8000114-CHI, cache-chi-kigq8000114-CHI, cache-chi-klot8100167-CHI Referrer-Policy: strict-origin-when-cross-origin Cache-Control: max-age=600 Reverse Proxy banner via: 1.1 google, 1.1 varnish, 1.1 varnish X-Cache: MISS, HIT X-Cache-Hits: 0, 1 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=2E54622574340669B66E0AF8271E238A12350236E0F6573FFFF65EC9C1BEA5F4 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 2026-10-05 04:29:36 [ 139s] -->> 151.101.67.19:443 (www.firefox.com) <<-- ----------------------------------------------------- Start 2026-10-05 04:29:36 -->> 151.101.131.19:443 (www.firefox.com) <<-- Further IP addresses: 151.101.195.19 151.101.3.19 151.101.67.19 2a04:4e42::787 2a04:4e42:400::787 2a04:4e42:200::787 2a04:4e42:600::787 rDNS (151.101.131.19): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +271 sec from localtime HTTP Age (RFC 7234) 271 Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner granian Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Content-Security-Policy-Report-Only: object-src 'none'; default-src 'self' www.firefox.com; form-action 'self' https://accounts.firefox.com/ https://basket.mozilla.org; font-src 'self' www.firefox.com; img-src 'self' *.google-analytics.com *.googletagmanager.com data: google-analytics.com googletagmanager.com https://gtm.firefox.com www.firefox.com www.mozilla.org; style-src 'self' 'unsafe-inline' cdn.transcend.io transcend-cdn.com www.firefox.com; frame-src 'self' accounts.firefox.com https://gtm.firefox.com www.google-analytics.com www.googletagmanager.com www.youtube-nocookie.com www.youtube.com; connect-src 'self' *.analytics.google.com *.google-analytics.com *.googletagmanager.com analytics.google.com basket.mozilla.org cdn.transcend.io google-analytics.com googletagmanager.com gtm.firefox.com https://accounts.firefox.com/ https://basket.mozilla.org https://gtm.firefox.com o1069899.ingest.sentry.io o1069899.ingest.us.sentry.io o1069899.sentry.io pa.firefox.com telemetry.transcend.io telemetry.us.transcend.io transcend-cdn.com www.firefox.com; base-uri 'none'; media-src 'self' assets.mozilla.net videos.cdn.mozilla.net www.firefox.com www.mozilla.org; frame-ancestors 'none'; upgrade-insecure-requests; script-src 'self' 'unsafe-eval' 'unsafe-inline' *.google-analytics.com *.googletagmanager.com cdn.transcend.io google-analytics.com googletagmanager.com https://gtm.firefox.com pa.firefox.com s.ytimg.com tagmanager.google.com transcend-cdn.com www.firefox.com www.youtube.com Cross-Origin-Opener-Policy: same-origin X-Served-By: cache-chi-kigq8000114-CHI, cache-chi-kigq8000114-CHI, cache-chi-klot8100173-CHI Referrer-Policy: strict-origin-when-cross-origin Cache-Control: max-age=600 Reverse Proxy banner via: 1.1 google, 1.1 varnish, 1.1 varnish X-Cache: MISS, HIT X-Cache-Hits: 0, 1 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=2E54622574340669B66E0AF8271E238A12350236E0F6573FFFF65EC9C1BEA5F4 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 2026-10-05 04:30:25 [ 188s] -->> 151.101.131.19:443 (www.firefox.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 151.101.195.19 151.101.3.19 151.101.67.19 151.101.131.19
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.