Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of www.williamcharleton.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 198.185.159.145 198.49.23.144 198.49.23.145 198.185.159.144 ----------------------------------------------------- Start 2026-03-15 05:46:35 -->> 198.185.159.145:443 (www.williamcharleton.com) <<-- Further IP addresses: 198.185.159.144 198.49.23.144 198.49.23.145 rDNS (198.185.159.145): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew -23 sec from localtime HTTP Age (RFC 7234) 0 Strict Transport Security misconfiguration: \'0\' is not a valid max-age specification, just this domain Public Key Pinning -- Server banner Squarespace Application banner -- Cookie(s) 1 issued: 1/1 secure, NOT HttpOnly Security headers X-Content-Type-Options: nosniff 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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=4C9E3B58EC8A0C1F2FB8354537DFCFE9E1767200ECA608E3F854E4ACB535D3DF LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 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 2026-03-15 05:47:22 [ 56s] -->> 198.185.159.145:443 (www.williamcharleton.com) <<-- ----------------------------------------------------- Start 2026-03-15 05:47:22 -->> 198.49.23.144:443 (www.williamcharleton.com) <<-- Further IP addresses: 198.185.159.144 198.185.159.145 198.49.23.145 rDNS (198.49.23.144): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew -24 sec from localtime HTTP Age (RFC 7234) 59 Strict Transport Security misconfiguration: \'0\' is not a valid max-age specification, just this domain Public Key Pinning -- Server banner Squarespace Application banner -- Cookie(s) 1 issued: 1/1 secure, NOT HttpOnly Security headers X-Content-Type-Options: nosniff 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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=4C9E3B58EC8A0C1F2FB8354537DFCFE9E1767200ECA608E3F854E4ACB535D3DF LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 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 2026-03-15 05:48:22 [ 117s] -->> 198.49.23.144:443 (www.williamcharleton.com) <<-- ----------------------------------------------------- Start 2026-03-15 05:48:22 -->> 198.49.23.145:443 (www.williamcharleton.com) <<-- Further IP addresses: 198.185.159.144 198.185.159.145 198.49.23.144 rDNS (198.49.23.145): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew -23 sec from localtime HTTP Age (RFC 7234) 122 Strict Transport Security misconfiguration: \'0\' is not a valid max-age specification, just this domain Public Key Pinning -- Server banner Squarespace Application banner -- Cookie(s) 1 issued: 1/1 secure, NOT HttpOnly Security headers X-Content-Type-Options: nosniff 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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=4C9E3B58EC8A0C1F2FB8354537DFCFE9E1767200ECA608E3F854E4ACB535D3DF LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 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 2026-03-15 05:49:26 [ 181s] -->> 198.49.23.145:443 (www.williamcharleton.com) <<-- ----------------------------------------------------- Start 2026-03-15 05:49:26 -->> 198.185.159.144:443 (www.williamcharleton.com) <<-- Further IP addresses: 198.185.159.145 198.49.23.144 198.49.23.145 rDNS (198.185.159.144): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew -23 sec from localtime HTTP Age (RFC 7234) 192 Strict Transport Security misconfiguration: \'0\' is not a valid max-age specification, just this domain Public Key Pinning -- Server banner Squarespace Application banner -- Cookie(s) 1 issued: 1/1 secure, NOT HttpOnly Security headers X-Content-Type-Options: nosniff 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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=4C9E3B58EC8A0C1F2FB8354537DFCFE9E1767200ECA608E3F854E4ACB535D3DF LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 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 2026-03-15 05:50:37 [ 252s] -->> 198.185.159.144:443 (www.williamcharleton.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 198.185.159.145 198.49.23.144 198.49.23.145 198.185.159.144
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.