Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of occ-0-2794-2218.1.nflxso.net. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 45.57.59.168 45.57.59.136 ----------------------------------------------------- Start 2026-10-20 02:42:37 -->> 45.57.59.168:443 (occ-0-2794-2218.1.nflxso.net) <<-- Further IP addresses: 45.57.59.136 2a00:86c0:2059:2059::181 2a00:86c0:2059:2059::143 rDNS (45.57.59.168): ipv4-c329-sjc002-ix.1.oca.nflxvideo.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 422 . Oh, didn't expect "422 " HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner freenginx Application banner -- Cookie(s) (none issued at "/") -- HTTP status 422 signals you maybe missed the web application Security headers -- 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) 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=B62EED92E3DE2D5284EF09CD4E06EFED3AF44A87A0B88A4DFB34ACD0D2342D0B LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no common prime detected BEAST (CVE-2011-3389) TLS1: ECDHE-ECDSA-AES128-SHA ECDHE-RSA-AES128-SHA DHE-RSA-AES128-SHA ECDHE-ECDSA-AES256-SHA ECDHE-RSA-AES256-SHA DHE-RSA-AES256-SHA AES256-SHA AES128-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 2026-10-20 02:43:33 [ 66s] -->> 45.57.59.168:443 (occ-0-2794-2218.1.nflxso.net) <<-- ----------------------------------------------------- Start 2026-10-20 02:43:33 -->> 45.57.59.136:443 (occ-0-2794-2218.1.nflxso.net) <<-- Further IP addresses: 45.57.59.168 2a00:86c0:2059:2059::181 2a00:86c0:2059:2059::143 rDNS (45.57.59.136): ipv4-c267-sjc002-ix.1.oca.nflxvideo.net. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 422 . Oh, didn't expect "422 " HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner freenginx Application banner -- Cookie(s) (none issued at "/") -- HTTP status 422 signals you maybe missed the web application Security headers -- 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) 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=1AE845EF4AE4C45D033092F85F4DBB308229892662ADA1DABC71EB9B9292EFC9 LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no common prime detected BEAST (CVE-2011-3389) TLS1: ECDHE-ECDSA-AES128-SHA ECDHE-RSA-AES128-SHA DHE-RSA-AES128-SHA ECDHE-ECDSA-AES256-SHA ECDHE-RSA-AES256-SHA DHE-RSA-AES256-SHA AES256-SHA AES128-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 2026-10-20 02:44:36 [ 129s] -->> 45.57.59.136:443 (occ-0-2794-2218.1.nflxso.net) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 45.57.59.168 45.57.59.136
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.