Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of www.opensignal.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 199.60.103.28 199.60.103.228 ----------------------------------------------------- Start 2026-10-19 02:25:04 -->> 199.60.103.28:443 (www.opensignal.com) <<-- Further IP addresses: 199.60.103.228 2606:2c40::c73c:671c 2606:2c40::c73c:67e4 rDNS (199.60.103.28): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime IPv4 address in header set-cookie: __cf_bm=cLWHDbIJEsCNjOlrkdUalQWL__rKbDOai3dwv6b1Nx0-1792376734.7920866-1.0.1.1-nFs4bdwvNFzZu6J6gNK6bh87ejkHy_B4Npg2ZX8JZxgt7HKtwlpOwv0FUMs1boNvIugcmNYVKgTlN5C0cLYRtxiD299i2Ph.xaLzUqP9d5oBi1qtvGZjE0hGhU5tyukN; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.opensignal.com; Expires=Mon, 19 Oct 2026 02:55:34 GMT (check if it's your IP address or e.g. a cluster IP) set-cookie: _cfuvid=_RCq6aV5qtaL3vvJrN5osiaaCuMhI0TkiHMeTNYSjmg-1792376734.7920866-1.0.1.1-nx.SwloCEeECp.GJ2uM91cKhz2.55gqkDUzP4E6YWdk; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.opensignal.com Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly Security headers Content-Security-Policy: upgrade-insecure-requests Referrer-Policy: no-referrer-when-downgrade Cache-Control: s-maxage=36000, max-age=5 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, "br 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=F5261146D277CBB2ECE8C7B2491CA63B81237BA0732290813EA62E3F941F2321 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 2026-10-19 02:25:54 [ 58s] -->> 199.60.103.28:443 (www.opensignal.com) <<-- ----------------------------------------------------- Start 2026-10-19 02:25:54 -->> 199.60.103.228:443 (www.opensignal.com) <<-- Further IP addresses: 199.60.103.28 2606:2c40::c73c:671c 2606:2c40::c73c:67e4 rDNS (199.60.103.228): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime IPv4 address in header set-cookie: __cf_bm=daXeNeXdLsTRQYxzZZNf9bzq_mQGKeXKCJL4G34bYxc-1792376783.9665215-1.0.1.1-YmG6KIiOIpQkPoqEjtq93mhZ3HqKNx8WFZldr0KoOWre_1onW0in5tSv.yQ4vfgSjvBb0fbzKauv1op3L0MXGznhT3G0p_j_9i4FrB_3.Npa01Hdj_4hQmuz5.hbSuo1; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.opensignal.com; Expires=Mon, 19 Oct 2026 02:56:24 GMT (check if it's your IP address or e.g. a cluster IP) set-cookie: _cfuvid=dPRSlrY_xHicaZiR2Vh4m2NaGMzOYoLkGNDrNIBp1yo-1792376783.9665215-1.0.1.1-wNBmySZpJCYLMKynEwK4xXqre9L0qXumN2M_cfifqAE; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.opensignal.com Strict Transport Security 365 days=31536000 s, just this domain Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) 2 issued: 2/2 secure, 2/2 HttpOnly Security headers Content-Security-Policy: upgrade-insecure-requests Referrer-Policy: no-referrer-when-downgrade Cache-Control: s-maxage=36000, max-age=5 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, "br 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=F5261146D277CBB2ECE8C7B2491CA63B81237BA0732290813EA62E3F941F2321 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 2026-10-19 02:26:43 [ 107s] -->> 199.60.103.228:443 (www.opensignal.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 199.60.103.28 199.60.103.228
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.