Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of youtube.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 74.125.69.93 74.125.69.136 74.125.69.190 74.125.69.91 ----------------------------------------------------- Start 2026-04-22 13:25:08 -->> 74.125.69.93:443 (youtube.com) <<-- Further IP addresses: 74.125.69.91 74.125.69.136 74.125.69.190 2607:f8b0:4001:c08::be 2607:f8b0:4001:c08::5d 2607:f8b0:4001:c08::88 2607:f8b0:4001:c08::5b rDNS (74.125.69.93): iq-in-f93.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.youtube.com/" HTTP clock skew 0 sec from localtime Strict Transport Security 365 days=31536000 s, includeSubDomains, preload Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly -- maybe better try target URL of 30x Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-IbXBSksU2OEhKmWi0XIBag' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict 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-allow-popups; report-to="youtube_main" 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: private, max-age=31536000 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) 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=207BDBC8F71A5F29A2864AF3F138F2674EE7104808CE9A3883ABB5BD6B8E6194 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 2026-04-22 13:26:00 [ 64s] -->> 74.125.69.93:443 (youtube.com) <<-- ----------------------------------------------------- Start 2026-04-22 13:26:01 -->> 74.125.69.136:443 (youtube.com) <<-- Further IP addresses: 74.125.69.91 74.125.69.93 74.125.69.190 2607:f8b0:4001:c08::be 2607:f8b0:4001:c08::5d 2607:f8b0:4001:c08::88 2607:f8b0:4001:c08::5b rDNS (74.125.69.136): iq-in-f136.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.youtube.com/" HTTP clock skew 0 sec from localtime Strict Transport Security 365 days=31536000 s, includeSubDomains, preload Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly -- maybe better try target URL of 30x Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-KMzXO9rSHwFJt-8D1bws1Q' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict 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-allow-popups; report-to="youtube_main" 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: private, max-age=31536000 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) 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=207BDBC8F71A5F29A2864AF3F138F2674EE7104808CE9A3883ABB5BD6B8E6194 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 2026-04-22 13:27:06 [ 130s] -->> 74.125.69.136:443 (youtube.com) <<-- ----------------------------------------------------- Start 2026-04-22 13:27:06 -->> 74.125.69.190:443 (youtube.com) <<-- Further IP addresses: 74.125.69.91 74.125.69.93 74.125.69.136 2607:f8b0:4001:c08::be 2607:f8b0:4001:c08::5d 2607:f8b0:4001:c08::88 2607:f8b0:4001:c08::5b rDNS (74.125.69.190): iq-in-f190.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.youtube.com/" HTTP clock skew 0 sec from localtime Strict Transport Security 365 days=31536000 s, includeSubDomains, preload Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly -- maybe better try target URL of 30x Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-hxs4aJQQJUoaBQR3PagmEQ' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict 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-allow-popups; report-to="youtube_main" 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: private, max-age=31536000 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) 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=207BDBC8F71A5F29A2864AF3F138F2674EE7104808CE9A3883ABB5BD6B8E6194 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 2026-04-22 13:28:05 [ 189s] -->> 74.125.69.190:443 (youtube.com) <<-- ----------------------------------------------------- Start 2026-04-22 13:28:05 -->> 74.125.69.91:443 (youtube.com) <<-- Further IP addresses: 74.125.69.93 74.125.69.136 74.125.69.190 2607:f8b0:4001:c08::be 2607:f8b0:4001:c08::5d 2607:f8b0:4001:c08::88 2607:f8b0:4001:c08::5b rDNS (74.125.69.91): iq-in-f91.1e100.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.youtube.com/" HTTP clock skew 0 sec from localtime Strict Transport Security 365 days=31536000 s, includeSubDomains, preload Public Key Pinning -- Server banner ESF Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly -- maybe better try target URL of 30x Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff misconfiguration: Content-Security-Policy 2x -- checking first one only Content-Security-Policy: base-uri 'self';object-src 'none';script-src 'report-sample' 'nonce-3rPCHU-JWnP41qhqUnEsNA' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';report-uri https://csp.withgoogle.com/csp/youtube_main/strict 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-allow-popups; report-to="youtube_main" 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: private, max-age=31536000 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) 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=207BDBC8F71A5F29A2864AF3F138F2674EE7104808CE9A3883ABB5BD6B8E6194 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 2026-04-22 13:29:11 [ 255s] -->> 74.125.69.91:443 (youtube.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 74.125.69.93 74.125.69.136 74.125.69.190 74.125.69.91
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.