SSLProtocol -all +TLSv1.2 SSLHonorCipherOrder On SSLCipherSuite DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256 #ServerTokens Prod ServerSignature Off TraceEnable Off
Centos 8 config:
SSLEngine onSSLProtocol all -SSLv2-SSLv3-TLSv1-TLSv1.1SSLHonorCipherOrder onSSLCipherSuite DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305 ServerSignature Off TraceEnable Off
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testssl.sh 3.1dev from https://testssl.sh/dev/
(0329eba 2022-04-27 14:49:02 -- )
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/
rDNS (164.111.161.113): xnat.rc.uab.edu.
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 not offered and downgraded to a weaker protocol
NPN/SPDY not offered
ALPN/HTTP2 not 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.) not offered
Strong encryption (AEAD ciphers) with no FS not offered
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)
FS is offered (OK) ECDHE-RSA-AES256-GCM-SHA384 DHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES128-GCM-SHA256 DHE-RSA-AES128-GCM-SHA256
Elliptic curves offered: secp256k1 prime256v1 secp384r1 secp521r1
DH group offered: RFC3526/Oakley Group 14 (2048 bits)
Testing server defaults (Server Hello)
TLS extensions (standard) "server name/#0" "renegotiation info/#65281" "session ticket/#35 (closed)" "heartbeat/#15 (closed)"
Session Ticket RFC 5077 hint 7200 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
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 98F3ACEE7447046D8F20459C9F819F96 (OK: length 16)
Fingerprints SHA1 659CE32387316045EBF93C29E62B9DC11DD7E4DA
SHA256 EDC2003619E4AC1C4EAE1FCC70BA65C07F7DA37D1ED6DEFB9A8647B7EEF50DEC
Common Name (CN) xnat.rc.uab.edu (CN in response to request w/o SNI: pub.rc.uab.edu )
subjectAltName (SAN) xnat.rc.uab.edu
Trust (hostname) Ok via SAN and CN (SNI mandatory)
Chain of trust Ok
EV cert (experimental) no
Certificate Validity (UTC) 101 >= 60 days (2021-12-29 00:00 --> 2023-01-29 23:59)
ETS/"eTLS", visibility info not present
Certificate Revocation List http://crl.incommon-rsa.org/InCommonRSAServerCA.crl
OCSP URI http://ocsp.usertrust.com
OCSP stapling not offered
OCSP must staple extension --
DNS CAA RR (experimental) not offered
Certificate Transparency yes (certificate extension)
Certificates provided 4
Issuer InCommon RSA Server CA (Internet2 from US)
Intermediate cert validity #1: ok > 40 days (2024-10-05 23:59). InCommon RSA Server CA <-- USERTrust RSA Certification Authority
#2 (closed): ok > 40 days (2028-12-31 23:59). USERTrust RSA Certification Authority <-- AAA Certificate Services
#3: ok > 40 days (2028-12-31 23:59). AAA Certificate Services <-- AAA Certificate Services
Intermediate Bad OCSP (exp.) Ok
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 Apache
Application banner --
Cookie(s) (none issued at "/") -- maybe better try target URL of 30x
Security headers --
Reverse Proxy banner --
Testing vulnerabilities
Heartbleed (CVE-2014-0160) not vulnerable (OK)
CCS (CVE-2014-0224) not vulnerable (OK)
Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK)
ROBOT Server does not support any cipher suites that use RSA key transport
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), 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
https://censys.io/ipv4?q=EDC2003619E4AC1C4EAE1FCC70BA65C07F7DA37D1ED6DEFB9A8647B7EEF50DEC could help you to find out
LOGJAM (CVE-2015-4000), experimental common prime with 2048 bits detected: RFC3526/Oakley Group 14 (2048 bits),
but no DH EXPORT ciphers
BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1
LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK)
Winshock (CVE-2014-6321), experimental not vulnerable (OK) - CAMELLIA or ECDHE_RSA GCM ciphers found
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 4.4.2 TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
Android 5.0.0 TLSv1.2 DHE-RSA-AES128-GCM-SHA256 2048 bit DH
Android 6.0 TLSv1.2 DHE-RSA-AES128-GCM-SHA256 2048 bit DH
Android 7.0 (native) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Android 8.1 (native) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Android 9.0 (native) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Android 10.0 (native) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Chrome 74 (Win 10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Chrome 79 (Win 10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Firefox 66 (Win 8.1/10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Firefox 71 (Win 10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
IE 6 XP No connection
IE 8 Win 7 No connection
IE 8 XP No connection
IE 11 Win 7 TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
IE 11 Win 8.1 TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
IE 11 Win Phone 8.1 No connection
IE 11 Win 10 TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
Edge 15 Win 10 TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Edge 17 (Win 10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Opera 66 (Win 10) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Safari 9 iOS 9 TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Safari 9 OS X 10.11 TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Safari 10 OS X 10.12 TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Safari 12.1 (iOS 12.2) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Safari 13.0 (macOS 10.14.6) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Apple ATS 9 iOS 9 TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Java 6u45 No connection
Java 7u25 No connection
Java 8u161 TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
Java 11.0.2 (OpenJDK) TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
Java 12.0.1 (OpenJDK) TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
OpenSSL 1.0.2e TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
OpenSSL 1.1.0l (Debian) TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
OpenSSL 1.1.1d (Debian) TLSv1.2 DHE-RSA-AES256-GCM-SHA384 2048 bit DH
Thunderbird (68.3) TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256 bit ECDH (P-256)
Rating (experimental)
Rating specs (not complete) SSL Labs's 'SSL Server Rating Guide' (version 2009q from 2020-01-30)
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) 90 (36)
Final Score 93
Overall Grade A
Grade cap reasons Grade capped to A. HSTS is not offered