Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of koopjeserver.nl. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 172.67.157.231 104.21.82.124 ----------------------------------------------------- Start 2026-06-29 11:26:09 -->> 172.67.157.231:443 (koopjeserver.nl) <<-- Further IP addresses: 104.21.82.124 2606:4700:3031::ac43:9de7 2606:4700:3030::6815:527c rDNS (172.67.157.231): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.koopjeserver.nl/" HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) (none issued at "/") -- maybe better try target URL of 30x 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) no RSA certificate, thus certificate can't be used with SSLv2 elsewhere 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) - ARIA, CHACHA or CCM ciphers found RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-06-29 11:26:56 [ 57s] -->> 172.67.157.231:443 (koopjeserver.nl) <<-- ----------------------------------------------------- Start 2026-06-29 11:26:56 -->> 104.21.82.124:443 (koopjeserver.nl) <<-- Further IP addresses: 172.67.157.231 2606:4700:3031::ac43:9de7 2606:4700:3030::6815:527c rDNS (104.21.82.124): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 301 Moved Permanently, redirecting to "https://www.koopjeserver.nl/" HTTP clock skew 0 sec from localtime Strict Transport Security not offered Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) (none issued at "/") -- maybe better try target URL of 30x 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) no RSA certificate, thus certificate can't be used with SSLv2 elsewhere 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) - ARIA, CHACHA or CCM ciphers found RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-06-29 11:27:52 [ 113s] -->> 104.21.82.124:443 (koopjeserver.nl) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 172.67.157.231 104.21.82.124
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.