##################################################################### testssl.sh version 3.2.2 from https://testssl.sh/ This program is free software. Distribution and modification under GPLv2 permitted. USAGE w/o ANY WARRANTY. USE IT AT YOUR OWN RISK! Please file bugs @ https://testssl.sh/bugs/ ##################################################################### Using OpenSSL 1.0.2-bad (Mar 28 2025) [~183 ciphers] on runnervmwhb2z:/home/testssl/bin/openssl.Linux.x86_64 Testing all IP addresses (port 443): 185.199.111.153 185.199.109.153 185.199.108.153 185.199.110.153 ----------------------------------------------------- Start 2025-10-05 08:47:26 -->> 185.199.111.153:443 (opentermsarchive.org) <<-- Further IP addresses: 185.199.109.153 185.199.110.153 185.199.108.153 rDNS (185.199.111.153): cdn-185-199-111-153.github.com. Service detected: HTTP Testing protocols via sockets except NPN+ALPN SSLv2 not offered (OK) SSLv3 not offered (OK) TLS 1 not offered TLS 1.1 not offered TLS 1.2 offered (OK) TLS 1.3 offered (OK): final ALPN/HTTP2 h2, http/1.1 (offered) Testing cipher categories NULL ciphers (no encryption) not offered (OK) Anonymous NULL Ciphers (no authentication) not offered (OK) Export ciphers (w/o ADH+NULL) not offered (OK) LOW: 64 Bit + DES, RC[2,4], MD5 (w/o export) not offered (OK) Triple DES Ciphers / IDEA not offered Obsoleted CBC ciphers (AES, ARIA etc.) offered Strong encryption (AEAD ciphers) with no FS offered (OK) Forward Secrecy strong encryption (AEAD ciphers) offered (OK) Testing server's cipher preferences Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (IANA/RFC) ----------------------------------------------------------------------------------------------------------------------------- SSLv2 - SSLv3 - TLSv1 - TLSv1.1 - TLSv1.2 (server order) TLSv1.3 Local problem: /home/testssl/bin/openssl.Linux.x86_64 doesn't support "s_client -tls1_3" Has server cipher order? yes (OK) -- TLS 1.3 and below Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 FS is offered (OK) ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256 ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA Elliptic curves offered: prime256v1 secp384r1 Testing server defaults (Server Hello) TLS extensions (standard) "server name/#0" "EC point formats/#11" "application layer protocol negotiation/#16" "extended master secret/#23" "session ticket/#35" "supported versions/#43" "key share/#51" "renegotiation info/#65281" Session Ticket RFC 5077 hint 86400 seconds, session tickets keys seems to be rotated < daily SSL Session ID support yes Session Resumption Tickets: yes, ID: yes TLS clock skew Random values, no fingerprinting possible Certificate Compression none Client Authentication none Signature Algorithm SHA256 with RSA Server key size RSA 2048 bits (exponent is 65537) Server key usage Digital Signature, Key Encipherment Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication Serial 05D230666C2C82C5E75236F9338C4B3346DF (OK: length 18) Fingerprints SHA1 738EE1E5567B184C7CE7D891FDB1A5160E686AFC SHA256 55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Common Name (CN) opentermsarchive.org (CN in response to request w/o SNI: *.github.io ) subjectAltName (SAN) opentermsarchive.org www.opentermsarchive.org Trust (hostname) Ok via SAN and CN (SNI mandatory) wildcard certificate could be problematic, see other hosts at https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Chain of trust Ok EV cert (experimental) no Certificate Validity (UTC) 65 >= 30 days (2025-09-10 14:25 --> 2025-12-09 14:25) ETS/"eTLS", visibility info not present Certificate Revocation List http://r12.c.lencr.org/96.crl OCSP URI -- OCSP stapling not offered OCSP must staple extension -- DNS CAA RR (experimental) not offered Certificate Transparency yes (certificate extension) Certificates provided 2 Issuer R12 (Let's Encrypt from US) Intermediate cert validity #1: ok > 40 days (2027-03-12 23:59). R12 <-- ISRG Root X1 Intermediate Bad OCSP (exp.) Ok Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +133 sec from localtime HTTP Age (RFC 7234) 133 Strict Transport Security not offered Public Key Pinning -- Server banner GitHub.com' Application banner -- Cookie(s) (none issued at "/") Security headers Access-Control-Allow-Origin: * X-Served-By: cache-pao-kpao1770044-PAO Cache-Control: max-age=600 Reverse Proxy banner Via: 1.1 varnish' X-Cache: HIT' X-Cache-Hits: 1' Testing vulnerabilities Heartbleed (CVE-2014-0160) not vulnerable (OK), no heartbeat extension CCS (CVE-2014-0224) not vulnerable (OK) Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK) ROBOT not vulnerable (OK) Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) -- mitigated (1 successful reneg within 10 in 33s(timeout)) 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), no SSLv3 support 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=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 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) Running client simulations (HTTP) via sockets Browser Protocol Cipher Suite Name (OpenSSL) Forward Secrecy ------------------------------------------------------------------------------------------------ Android 7.0 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Android 8.1 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Android 9.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 10.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 11/12 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 13/14 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 15 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Chrome 101 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Chromium 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Firefox 100 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Firefox 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 IE 8 Win 7 No connection IE 11 Win 7 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win Phone 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Edge 15 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Edge 101 Win 10 21H2 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Edge 133 Win 11 23H2 TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Safari 18.4 (iOS 18.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 15.4 (macOS 12.3.1) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 18.4 (macOS 15.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 7u25 No connection Java 8u442 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 11.0.2 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 256 bit ECDH (P-256) Java 17.0.3 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 21.0.6 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) go 1.17.8 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) LibreSSL 3.3.6 (macOS) TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 253 bit ECDH (X25519) OpenSSL 1.0.2e TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) OpenSSL 1.1.1d (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.0.15 (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.5.0 (git) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Apple Mail (16.0) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Thunderbird (91.9) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Rating (experimental) Rating specs (not complete) SSL Labs's 'SSL Server Rating Guide' (version 2009r from 2025-05-16) Specification documentation https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide Protocol Support (weighted) 100 (30) Key Exchange (weighted) 90 (27) Cipher Strength (weighted) 60 (24) Final Score 81 Overall Grade A+ Done 2025-10-05 08:49:21 [ 117s] -->> 185.199.111.153:443 (opentermsarchive.org) <<-- ----------------------------------------------------- Start 2025-10-05 08:49:21 -->> 185.199.109.153:443 (opentermsarchive.org) <<-- Further IP addresses: 185.199.110.153 185.199.108.153 185.199.111.153 rDNS (185.199.109.153): cdn-185-199-109-153.github.com. Service detected: HTTP Testing protocols via sockets except NPN+ALPN SSLv2 not offered (OK) SSLv3 not offered (OK) TLS 1 not offered TLS 1.1 not offered TLS 1.2 offered (OK) TLS 1.3 offered (OK): final ALPN/HTTP2 h2, http/1.1 (offered) Testing cipher categories NULL ciphers (no encryption) not offered (OK) Anonymous NULL Ciphers (no authentication) not offered (OK) Export ciphers (w/o ADH+NULL) not offered (OK) LOW: 64 Bit + DES, RC[2,4], MD5 (w/o export) not offered (OK) Triple DES Ciphers / IDEA not offered Obsoleted CBC ciphers (AES, ARIA etc.) offered Strong encryption (AEAD ciphers) with no FS offered (OK) Forward Secrecy strong encryption (AEAD ciphers) offered (OK) Testing server's cipher preferences Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (IANA/RFC) ----------------------------------------------------------------------------------------------------------------------------- SSLv2 - SSLv3 - TLSv1 - TLSv1.1 - TLSv1.2 (server order) TLSv1.3 Local problem: /home/testssl/bin/openssl.Linux.x86_64 doesn't support "s_client -tls1_3" Has server cipher order? yes (OK) -- TLS 1.3 and below Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 FS is offered (OK) ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256 ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA Elliptic curves offered: prime256v1 secp384r1 Testing server defaults (Server Hello) TLS extensions (standard) "server name/#0" "EC point formats/#11" "application layer protocol negotiation/#16" "extended master secret/#23" "session ticket/#35" "supported versions/#43" "key share/#51" "renegotiation info/#65281" Session Ticket RFC 5077 hint 86400 seconds, session tickets keys seems to be rotated < daily SSL Session ID support yes Session Resumption Tickets: yes, ID: yes TLS clock skew Random values, no fingerprinting possible Certificate Compression none Client Authentication none Signature Algorithm SHA256 with RSA Server key size RSA 2048 bits (exponent is 65537) Server key usage Digital Signature, Key Encipherment Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication Serial 05D230666C2C82C5E75236F9338C4B3346DF (OK: length 18) Fingerprints SHA1 738EE1E5567B184C7CE7D891FDB1A5160E686AFC SHA256 55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Common Name (CN) opentermsarchive.org (CN in response to request w/o SNI: *.github.io ) subjectAltName (SAN) opentermsarchive.org www.opentermsarchive.org Trust (hostname) Ok via SAN and CN (SNI mandatory) wildcard certificate could be problematic, see other hosts at https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Chain of trust Ok EV cert (experimental) no Certificate Validity (UTC) 65 >= 30 days (2025-09-10 14:25 --> 2025-12-09 14:25) ETS/"eTLS", visibility info not present Certificate Revocation List http://r12.c.lencr.org/96.crl OCSP URI -- OCSP stapling not offered OCSP must staple extension -- DNS CAA RR (experimental) not offered Certificate Transparency yes (certificate extension) Certificates provided 2 Issuer R12 (Let's Encrypt from US) Intermediate cert validity #1: ok > 40 days (2027-03-12 23:59). R12 <-- ISRG Root X1 Intermediate Bad OCSP (exp.) Ok Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +254 sec from localtime HTTP Age (RFC 7234) 254 Strict Transport Security not offered Public Key Pinning -- Server banner GitHub.com' Application banner -- Cookie(s) (none issued at "/") Security headers Access-Control-Allow-Origin: * X-Served-By: cache-sjc1000113-SJC Cache-Control: max-age=600 Reverse Proxy banner Via: 1.1 varnish' X-Cache: HIT' X-Cache-Hits: 1' Testing vulnerabilities Heartbleed (CVE-2014-0160) not vulnerable (OK), no heartbeat extension CCS (CVE-2014-0224) not vulnerable (OK) Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK) ROBOT not vulnerable (OK) Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) -- mitigated (1 successful reneg within 10 in 33s(timeout)) 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), no SSLv3 support 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=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 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) Running client simulations (HTTP) via sockets Browser Protocol Cipher Suite Name (OpenSSL) Forward Secrecy ------------------------------------------------------------------------------------------------ Android 7.0 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Android 8.1 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Android 9.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 10.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 11/12 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 13/14 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 15 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Chrome 101 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Chromium 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Firefox 100 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Firefox 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 IE 8 Win 7 No connection IE 11 Win 7 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win Phone 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Edge 15 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Edge 101 Win 10 21H2 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Edge 133 Win 11 23H2 TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Safari 18.4 (iOS 18.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 15.4 (macOS 12.3.1) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 18.4 (macOS 15.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 7u25 No connection Java 8u442 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 11.0.2 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 256 bit ECDH (P-256) Java 17.0.3 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 21.0.6 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) go 1.17.8 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) LibreSSL 3.3.6 (macOS) TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 253 bit ECDH (X25519) OpenSSL 1.0.2e TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) OpenSSL 1.1.1d (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.0.15 (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.5.0 (git) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Apple Mail (16.0) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Thunderbird (91.9) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Rating (experimental) Rating specs (not complete) SSL Labs's 'SSL Server Rating Guide' (version 2009r from 2025-05-16) Specification documentation https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide Protocol Support (weighted) 100 (30) Key Exchange (weighted) 90 (27) Cipher Strength (weighted) 60 (24) Final Score 81 Overall Grade A+ Done 2025-10-05 08:51:14 [ 230s] -->> 185.199.109.153:443 (opentermsarchive.org) <<-- ----------------------------------------------------- Start 2025-10-05 08:51:14 -->> 185.199.108.153:443 (opentermsarchive.org) <<-- Further IP addresses: 185.199.109.153 185.199.110.153 185.199.111.153 rDNS (185.199.108.153): cdn-185-199-108-153.github.com. Service detected: HTTP Testing protocols via sockets except NPN+ALPN SSLv2 not offered (OK) SSLv3 not offered (OK) TLS 1 not offered TLS 1.1 not offered TLS 1.2 offered (OK) TLS 1.3 offered (OK): final ALPN/HTTP2 h2, http/1.1 (offered) Testing cipher categories NULL ciphers (no encryption) not offered (OK) Anonymous NULL Ciphers (no authentication) not offered (OK) Export ciphers (w/o ADH+NULL) not offered (OK) LOW: 64 Bit + DES, RC[2,4], MD5 (w/o export) not offered (OK) Triple DES Ciphers / IDEA not offered Obsoleted CBC ciphers (AES, ARIA etc.) offered Strong encryption (AEAD ciphers) with no FS offered (OK) Forward Secrecy strong encryption (AEAD ciphers) offered (OK) Testing server's cipher preferences Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (IANA/RFC) ----------------------------------------------------------------------------------------------------------------------------- SSLv2 - SSLv3 - TLSv1 - TLSv1.1 - TLSv1.2 (server order) TLSv1.3 Local problem: /home/testssl/bin/openssl.Linux.x86_64 doesn't support "s_client -tls1_3" Has server cipher order? yes (OK) -- TLS 1.3 and below Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 FS is offered (OK) ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256 ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA Elliptic curves offered: prime256v1 secp384r1 Testing server defaults (Server Hello) TLS extensions (standard) "server name/#0" "EC point formats/#11" "application layer protocol negotiation/#16" "extended master secret/#23" "session ticket/#35" "supported versions/#43" "key share/#51" "renegotiation info/#65281" Session Ticket RFC 5077 hint 86400 seconds, session tickets keys seems to be rotated < daily SSL Session ID support yes Session Resumption Tickets: yes, ID: yes TLS clock skew Random values, no fingerprinting possible Certificate Compression none Client Authentication none Signature Algorithm SHA256 with RSA Server key size RSA 2048 bits (exponent is 65537) Server key usage Digital Signature, Key Encipherment Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication Serial 05D230666C2C82C5E75236F9338C4B3346DF (OK: length 18) Fingerprints SHA1 738EE1E5567B184C7CE7D891FDB1A5160E686AFC SHA256 55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Common Name (CN) opentermsarchive.org (CN in response to request w/o SNI: *.github.io ) subjectAltName (SAN) opentermsarchive.org www.opentermsarchive.org Trust (hostname) Ok via SAN and CN (SNI mandatory) wildcard certificate could be problematic, see other hosts at https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Chain of trust Ok EV cert (experimental) no Certificate Validity (UTC) 65 >= 30 days (2025-09-10 14:25 --> 2025-12-09 14:25) ETS/"eTLS", visibility info not present Certificate Revocation List http://r12.c.lencr.org/96.crl OCSP URI -- OCSP stapling not offered OCSP must staple extension -- DNS CAA RR (experimental) not offered Certificate Transparency yes (certificate extension) Certificates provided 2 Issuer R12 (Let's Encrypt from US) Intermediate cert validity #1: ok > 40 days (2027-03-12 23:59). R12 <-- ISRG Root X1 Intermediate Bad OCSP (exp.) Ok Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +359 sec from localtime HTTP Age (RFC 7234) 359 Strict Transport Security not offered Public Key Pinning -- Server banner GitHub.com' Application banner -- Cookie(s) (none issued at "/") Security headers Access-Control-Allow-Origin: * X-Served-By: cache-pao-kpao1770082-PAO Cache-Control: max-age=600 Reverse Proxy banner Via: 1.1 varnish' X-Cache: HIT' X-Cache-Hits: 3' Testing vulnerabilities Heartbleed (CVE-2014-0160) not vulnerable (OK), no heartbeat extension CCS (CVE-2014-0224) not vulnerable (OK) Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK) ROBOT not vulnerable (OK) Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) -- mitigated (1 successful reneg within 10 in 33s(timeout)) 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), no SSLv3 support 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=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 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) Running client simulations (HTTP) via sockets Browser Protocol Cipher Suite Name (OpenSSL) Forward Secrecy ------------------------------------------------------------------------------------------------ Android 7.0 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Android 8.1 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Android 9.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 10.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 11/12 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 13/14 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 15 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Chrome 101 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Chromium 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Firefox 100 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Firefox 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 IE 8 Win 7 No connection IE 11 Win 7 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win Phone 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Edge 15 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Edge 101 Win 10 21H2 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Edge 133 Win 11 23H2 TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Safari 18.4 (iOS 18.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 15.4 (macOS 12.3.1) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 18.4 (macOS 15.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 7u25 No connection Java 8u442 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 11.0.2 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 256 bit ECDH (P-256) Java 17.0.3 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 21.0.6 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) go 1.17.8 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) LibreSSL 3.3.6 (macOS) TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 253 bit ECDH (X25519) OpenSSL 1.0.2e TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) OpenSSL 1.1.1d (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.0.15 (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.5.0 (git) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Apple Mail (16.0) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Thunderbird (91.9) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Rating (experimental) Rating specs (not complete) SSL Labs's 'SSL Server Rating Guide' (version 2009r from 2025-05-16) Specification documentation https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide Protocol Support (weighted) 100 (30) Key Exchange (weighted) 90 (27) Cipher Strength (weighted) 60 (24) Final Score 81 Overall Grade A+ Done 2025-10-05 08:53:07 [ 343s] -->> 185.199.108.153:443 (opentermsarchive.org) <<-- ----------------------------------------------------- Start 2025-10-05 08:53:07 -->> 185.199.110.153:443 (opentermsarchive.org) <<-- Further IP addresses: 185.199.109.153 185.199.108.153 185.199.111.153 rDNS (185.199.110.153): cdn-185-199-110-153.github.com. Service detected: HTTP Testing protocols via sockets except NPN+ALPN SSLv2 not offered (OK) SSLv3 not offered (OK) TLS 1 not offered TLS 1.1 not offered TLS 1.2 offered (OK) TLS 1.3 offered (OK): final ALPN/HTTP2 h2, http/1.1 (offered) Testing cipher categories NULL ciphers (no encryption) not offered (OK) Anonymous NULL Ciphers (no authentication) not offered (OK) Export ciphers (w/o ADH+NULL) not offered (OK) LOW: 64 Bit + DES, RC[2,4], MD5 (w/o export) not offered (OK) Triple DES Ciphers / IDEA not offered Obsoleted CBC ciphers (AES, ARIA etc.) offered Strong encryption (AEAD ciphers) with no FS offered (OK) Forward Secrecy strong encryption (AEAD ciphers) offered (OK) Testing server's cipher preferences Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (IANA/RFC) ----------------------------------------------------------------------------------------------------------------------------- SSLv2 - SSLv3 - TLSv1 - TLSv1.1 - TLSv1.2 (server order) TLSv1.3 Local problem: /home/testssl/bin/openssl.Linux.x86_64 doesn't support "s_client -tls1_3" Has server cipher order? yes (OK) -- TLS 1.3 and below Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 FS is offered (OK) ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256 ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA Elliptic curves offered: prime256v1 secp384r1 Testing server defaults (Server Hello) TLS extensions (standard) "server name/#0" "EC point formats/#11" "application layer protocol negotiation/#16" "extended master secret/#23" "session ticket/#35" "supported versions/#43" "key share/#51" "renegotiation info/#65281" Session Ticket RFC 5077 hint 86400 seconds, session tickets keys seems to be rotated < daily SSL Session ID support yes Session Resumption Tickets: yes, ID: yes TLS clock skew Random values, no fingerprinting possible Certificate Compression none Client Authentication none Signature Algorithm SHA256 with RSA Server key size RSA 2048 bits (exponent is 65537) Server key usage Digital Signature, Key Encipherment Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication Serial 05D230666C2C82C5E75236F9338C4B3346DF (OK: length 18) Fingerprints SHA1 738EE1E5567B184C7CE7D891FDB1A5160E686AFC SHA256 55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Common Name (CN) opentermsarchive.org (CN in response to request w/o SNI: *.github.io ) subjectAltName (SAN) opentermsarchive.org www.opentermsarchive.org Trust (hostname) Ok via SAN and CN (SNI mandatory) wildcard certificate could be problematic, see other hosts at https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 Chain of trust Ok EV cert (experimental) no Certificate Validity (UTC) 65 >= 30 days (2025-09-10 14:25 --> 2025-12-09 14:25) ETS/"eTLS", visibility info not present Certificate Revocation List http://r12.c.lencr.org/96.crl OCSP URI -- OCSP stapling not offered OCSP must staple extension -- DNS CAA RR (experimental) not offered Certificate Transparency yes (certificate extension) Certificates provided 2 Issuer R12 (Let's Encrypt from US) Intermediate cert validity #1: ok > 40 days (2027-03-12 23:59). R12 <-- ISRG Root X1 Intermediate Bad OCSP (exp.) Ok Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +473 sec from localtime HTTP Age (RFC 7234) 473 Strict Transport Security not offered Public Key Pinning -- Server banner GitHub.com' Application banner -- Cookie(s) (none issued at "/") Security headers Access-Control-Allow-Origin: * X-Served-By: cache-pao-kpao1770026-PAO Cache-Control: max-age=600 Reverse Proxy banner Via: 1.1 varnish' X-Cache: HIT' X-Cache-Hits: 1' Testing vulnerabilities Heartbleed (CVE-2014-0160) not vulnerable (OK), no heartbeat extension CCS (CVE-2014-0224) not vulnerable (OK) Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK) ROBOT not vulnerable (OK) Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) -- mitigated (1 successful reneg within 10 in 33s(timeout)) 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), no SSLv3 support 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=55BC0AC971C91D299E85EE7654F43E82E2F5BC3D4142D1832D3CFA91E9011D90 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) Running client simulations (HTTP) via sockets Browser Protocol Cipher Suite Name (OpenSSL) Forward Secrecy ------------------------------------------------------------------------------------------------ Android 7.0 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Android 8.1 (native) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Android 9.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 10.0 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 11/12 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 13/14 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Android 15 (native) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Chrome 101 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Chromium 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Firefox 100 (Win 10) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Firefox 137 (Win 11) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 IE 8 Win 7 No connection IE 11 Win 7 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win Phone 8.1 TLSv1.2 ECDHE-RSA-AES128-SHA256 256 bit ECDH (P-256) IE 11 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Edge 15 Win 10 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 253 bit ECDH (X25519) Edge 101 Win 10 21H2 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Edge 133 Win 11 23H2 TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Safari 18.4 (iOS 18.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 15.4 (macOS 12.3.1) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Safari 18.4 (macOS 15.4) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 7u25 No connection Java 8u442 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 11.0.2 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 256 bit ECDH (P-256) Java 17.0.3 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Java 21.0.6 (OpenJDK) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) go 1.17.8 TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) LibreSSL 3.3.6 (macOS) TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 253 bit ECDH (X25519) OpenSSL 1.0.2e TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) OpenSSL 1.1.1d (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.0.15 (Debian) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) OpenSSL 3.5.0 (git) TLSv1.3 TLS_AES_128_GCM_SHA256 X25519MLKEM768 Apple Mail (16.0) TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256 256 bit ECDH (P-256) Thunderbird (91.9) TLSv1.3 TLS_AES_128_GCM_SHA256 253 bit ECDH (X25519) Rating (experimental) Rating specs (not complete) SSL Labs's 'SSL Server Rating Guide' (version 2009r from 2025-05-16) Specification documentation https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide Protocol Support (weighted) 100 (30) Key Exchange (weighted) 90 (27) Cipher Strength (weighted) 60 (24) Final Score 81 Overall Grade A+ Done 2025-10-05 08:55:00 [ 456s] -->> 185.199.110.153:443 (opentermsarchive.org) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 185.199.111.153 185.199.109.153 185.199.108.153 185.199.110.153