Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of jss.aub.ac.uk. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 13.42.142.83 35.179.23.30 52.56.128.88 ----------------------------------------------------- Start 2026-01-26 12:13:14 -->> 13.42.142.83:443 (jss.aub.ac.uk) <<-- Further IP addresses: 52.56.128.88 35.179.23.30 rDNS (13.42.142.83): ec2-13-42-142-83.eu-west-2.compute.amazonaws.com. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 503 Service Temporarily Unavailable. Oh, didn't expect "503 Service Temporarily Unavailable" HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner awselb/2.0 Application banner -- Cookie(s) (none issued at "/") -- HTTP status 503 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) 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=4F01798B5CD51FA9FE1A867506D160C3BF50A89053F874DED51331AAAA9EE371 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 not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-26 12:14:10 [ 66s] -->> 13.42.142.83:443 (jss.aub.ac.uk) <<-- ----------------------------------------------------- Start 2026-01-26 12:14:10 -->> 35.179.23.30:443 (jss.aub.ac.uk) <<-- Further IP addresses: 52.56.128.88 13.42.142.83 rDNS (35.179.23.30): ec2-35-179-23-30.eu-west-2.compute.amazonaws.com. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 503 Service Temporarily Unavailable. Oh, didn't expect "503 Service Temporarily Unavailable" HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner awselb/2.0 Application banner -- Cookie(s) (none issued at "/") -- HTTP status 503 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) 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=4F01798B5CD51FA9FE1A867506D160C3BF50A89053F874DED51331AAAA9EE371 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 not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-26 12:15:34 [ 150s] -->> 35.179.23.30:443 (jss.aub.ac.uk) <<-- ----------------------------------------------------- Start 2026-01-26 12:15:35 -->> 52.56.128.88:443 (jss.aub.ac.uk) <<-- Further IP addresses: 13.42.142.83 35.179.23.30 rDNS (52.56.128.88): ec2-52-56-128-88.eu-west-2.compute.amazonaws.com. Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 503 Service Temporarily Unavailable. Oh, didn't expect "503 Service Temporarily Unavailable" HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner awselb/2.0 Application banner -- Cookie(s) (none issued at "/") -- HTTP status 503 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) 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=4F01798B5CD51FA9FE1A867506D160C3BF50A89053F874DED51331AAAA9EE371 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 not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-26 12:16:32 [ 208s] -->> 52.56.128.88:443 (jss.aub.ac.uk) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 13.42.142.83 35.179.23.30 52.56.128.88
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.