Deep SSL/TLS Vulnerability Test

This report provides a deep analysis of the SSL/TLS configuration of auth.rtl.de. It checks for protocol support, cipher strength, and known vulnerabilities.

Scan Results

Testing all IP addresses (port 443): 63.182.130.37 63.182.67.125 3.122.43.171
-----------------------------------------------------
 Start 2026-03-16 10:42:11        -->> 63.182.130.37:443 (auth.rtl.de) <<--

 Further IP addresses:   3.122.43.171 63.182.67.125 
 rDNS (63.182.130.37):   ec2-63-182-130-37.eu-central-1.compute.amazonaws.com.
 Service detected:       HTTP

 Testing for server implementation bugs 

 No bugs found.

 Testing HTTP header response @ "/" 

 HTTP Status Code             301 Moved Permanently, redirecting to "https://my.plus.rtl.de/"
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                (no "Server" line in header, interesting!)
 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)
                                           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=7E0B0BD1537A97C6FE513A827DC3E91C4FFD8CB41BF238AF86F4C8E8426AFFC9
 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) - CAMELLIA or ECDHE_RSA GCM ciphers found
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2026-03-16 10:43:29 [  88s] -->> 63.182.130.37:443 (auth.rtl.de) <<--

-----------------------------------------------------
 Start 2026-03-16 10:43:29        -->> 63.182.67.125:443 (auth.rtl.de) <<--

 Further IP addresses:   3.122.43.171 63.182.130.37 
 rDNS (63.182.67.125):   ec2-63-182-67-125.eu-central-1.compute.amazonaws.com.
 Service detected:       HTTP

 Testing for server implementation bugs 

 No bugs found.

 Testing HTTP header response @ "/" 

 HTTP Status Code             301 Moved Permanently, redirecting to "https://my.plus.rtl.de/"
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                (no "Server" line in header, interesting!)
 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)
                                           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=7E0B0BD1537A97C6FE513A827DC3E91C4FFD8CB41BF238AF86F4C8E8426AFFC9
 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) - CAMELLIA or ECDHE_RSA GCM ciphers found
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2026-03-16 10:44:49 [ 168s] -->> 63.182.67.125:443 (auth.rtl.de) <<--

-----------------------------------------------------
 Start 2026-03-16 10:44:49        -->> 3.122.43.171:443 (auth.rtl.de) <<--

 Further IP addresses:   63.182.130.37 63.182.67.125 
 rDNS (3.122.43.171):    ec2-3-122-43-171.eu-central-1.compute.amazonaws.com.
 Service detected:       HTTP

 Testing for server implementation bugs 

 No bugs found.

 Testing HTTP header response @ "/" 

 HTTP Status Code             301 Moved Permanently, redirecting to "https://my.plus.rtl.de/"
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                (no "Server" line in header, interesting!)
 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)
                                           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=7E0B0BD1537A97C6FE513A827DC3E91C4FFD8CB41BF238AF86F4C8E8426AFFC9
 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) - CAMELLIA or ECDHE_RSA GCM ciphers found
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2026-03-16 10:46:05 [ 244s] -->> 3.122.43.171:443 (auth.rtl.de) <<--

-----------------------------------------------------
Done testing now all IP addresses (on port 443): 63.182.130.37 63.182.67.125 3.122.43.171

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.

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