Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of consent.youtube.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 142.251.183.100 142.251.183.138 142.251.183.113 142.251.183.101 142.251.183.102 142.251.183.139 ----------------------------------------------------- Start 2026-07-14 09:52:13 -->> 142.251.183.100:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.139 142.251.183.138 142.251.183.113 142.251.183.101 142.251.183.102 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.100): yucbfaa-in-f100.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: script-src 'report-sample' 'nonce-z2E-8MFW9KNElTcbVKzXBQ' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/IdentityNotFoundHttp/cspreport;worker-src 'self' Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:52:53 [ 47s] -->> 142.251.183.100:443 (consent.youtube.com) <<-- ----------------------------------------------------- Start 2026-07-14 09:52:53 -->> 142.251.183.138:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.139 142.251.183.100 142.251.183.113 142.251.183.101 142.251.183.102 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.138): yucbfaa-in-f138.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: script-src 'report-sample' 'nonce-wjmVMZudbSVNYr5AhftnBg' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/IdentityNotFoundHttp/cspreport;worker-src 'self' Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:53:41 [ 95s] -->> 142.251.183.138:443 (consent.youtube.com) <<-- ----------------------------------------------------- Start 2026-07-14 09:53:41 -->> 142.251.183.113:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.139 142.251.183.100 142.251.183.138 142.251.183.101 142.251.183.102 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.113): yucbfaa-in-f113.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: script-src 'report-sample' 'nonce-fKX1-IlQri4DCAlFd23rZg' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/IdentityNotFoundHttp/cspreport;worker-src 'self' Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:54:38 [ 152s] -->> 142.251.183.113:443 (consent.youtube.com) <<-- ----------------------------------------------------- Start 2026-07-14 09:54:38 -->> 142.251.183.101:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.139 142.251.183.100 142.251.183.138 142.251.183.113 142.251.183.102 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.101): yucbfaa-in-f101.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: script-src 'report-sample' 'nonce-K55tLFwhEbT8RSxgC-KZQA' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/IdentityNotFoundHttp/cspreport;worker-src 'self' Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:55:44 [ 218s] -->> 142.251.183.101:443 (consent.youtube.com) <<-- ----------------------------------------------------- Start 2026-07-14 09:55:44 -->> 142.251.183.102:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.139 142.251.183.100 142.251.183.138 142.251.183.113 142.251.183.101 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.102): yucbfaa-in-f102.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: script-src 'report-sample' 'nonce-Zou1wVOi5vfx5OmmWsRZ5A' 'unsafe-inline';object-src 'none';base-uri 'self';report-uri /_/IdentityNotFoundHttp/cspreport;worker-src 'self' Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:56:44 [ 278s] -->> 142.251.183.102:443 (consent.youtube.com) <<-- ----------------------------------------------------- Start 2026-07-14 09:56:44 -->> 142.251.183.139:443 (consent.youtube.com) <<-- Further IP addresses: 142.251.183.100 142.251.183.138 142.251.183.113 142.251.183.101 142.251.183.102 2607:f8b0:4001:c64::8a 2607:f8b0:4001:c64::64 2607:f8b0:4001:c64::8b 2607:f8b0:4001:c64::66 rDNS (142.251.183.139): yucbfaa-in-f139.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 404 Not Found (Hint: supply a path which doesn't give a "404 Not Found") HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) (none issued at "/") -- HTTP status 404 signals you maybe missed the web application Security headers X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: require-trusted-types-for 'script';report-uri /_/IdentityNotFoundHttp/cspreport Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cross-Origin-Opener-Policy: same-origin X-XSS-Protection: 0 Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=* Cache-Control: no-cache, no-store, max-age=0, must-revalidate Pragma: no-cache 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) 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=866C1C038BFCADF60AE69F472418AC8301FBE7F9DA2C3B2838D66D4B81F269B0 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-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA 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 2026-07-14 09:57:41 [ 334s] -->> 142.251.183.139:443 (consent.youtube.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 142.251.183.100 142.251.183.138 142.251.183.113 142.251.183.101 142.251.183.102 142.251.183.139
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.