Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of api.transmitsecurity.io. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 104.18.8.102 104.18.9.102 ----------------------------------------------------- Start 2026-04-08 16:10:58 -->> 104.18.8.102:443 (api.transmitsecurity.io) <<-- Further IP addresses: 104.18.9.102 2606:4700::6812:966 2606:4700::6812:866 rDNS (104.18.8.102): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 403 Forbidden HTTP clock skew 0 sec from localtime IPv4 address in header set-cookie: __cf_bm=Rj.VQay.9MuFEcxOmaPnRD2bq54aa0WxkjVV3oUEzSk-1775664692.0269516-1.0.1.1-kPz5SmqMr2LVMz_b3IN7iAbD2pI10RxWl7F0qWtsrVy.SDo3YC4aydNd6t7BEuJXAb_BhZiaUt6vKn0fS6NdnjOWhbDaWkQr7iPKgEFd.sedmEkGp1W0Sgnbbo_7prBC; HttpOnly; Secure; Path=/; Domain=transmitsecurity.io; Expires=Wed, 08 Apr 2026 16:41:32 GMT (check if it's your IP address or e.g. a cluster IP) Strict Transport Security not offered Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) 1 issued: 1/1 secure, 1/1 HttpOnly -- HTTP status 403 signals you maybe missed the web application Security headers X-Frame-Options: SAMEORIGIN Referrer-Policy: same-origin Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 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=51E5F2DB6FF5B68BC73787DFBAC0D333E09E7BB40A1A73209C099E121E4E36C6 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 2026-04-08 16:11:52 [ 62s] -->> 104.18.8.102:443 (api.transmitsecurity.io) <<-- ----------------------------------------------------- Start 2026-04-08 16:11:53 -->> 104.18.9.102:443 (api.transmitsecurity.io) <<-- Further IP addresses: 104.18.8.102 2606:4700::6812:966 2606:4700::6812:866 rDNS (104.18.9.102): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 403 Forbidden HTTP clock skew 0 sec from localtime IPv4 address in header set-cookie: __cf_bm=A0SvgHeuctuwDbf03No1x4gVA1Eh_vkWUEnflF_aDJ4-1775664742.536514-1.0.1.1-BW.qW60hGOAHeTsXNWcxcLHGjTChGb.w1aSFnLeRzyigCF2KdG.xhsO2mW8oV9Qv.LweW9S18q0azXdPiQPddtTwTQP79PcAviShm8cC1pUjpXFUZ30l_rglaFdfIATO; HttpOnly; Secure; Path=/; Domain=transmitsecurity.io; Expires=Wed, 08 Apr 2026 16:42:22 GMT (check if it's your IP address or e.g. a cluster IP) Strict Transport Security not offered Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) 1 issued: 1/1 secure, 1/1 HttpOnly -- HTTP status 403 signals you maybe missed the web application Security headers X-Frame-Options: SAMEORIGIN Referrer-Policy: same-origin Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 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=51E5F2DB6FF5B68BC73787DFBAC0D333E09E7BB40A1A73209C099E121E4E36C6 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 2026-04-08 16:12:44 [ 114s] -->> 104.18.9.102:443 (api.transmitsecurity.io) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 104.18.8.102 104.18.9.102
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.