Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of app.linkdm.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 3.171.22.102 3.171.22.13 3.171.22.82 3.171.22.30 ----------------------------------------------------- Start 2026-04-23 08:24:51 -->> 3.171.22.102:443 (app.linkdm.com) <<-- Further IP addresses: 3.171.22.30 3.171.22.13 3.171.22.82 2600:9000:289d:a000:8:9595:9500:93a1 2600:9000:289d:9800:8:9595:9500:93a1 2600:9000:289d:ec00:8:9595:9500:93a1 2600:9000:289d:2a00:8:9595:9500:93a1 2600:9000:289d:4e00:8:9595:9500:93a1 2600:9000:289d:2c00:8:9595:9500:93a1 2600:9000:289d:e200:8:9595:9500:93a1 2600:9000:289d:3a00:8:9595:9500:93a1 rDNS (3.171.22.102): server-3-171-22-102.ord56.r.cloudfront.net. 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 HTTP Age (RFC 7234) 176403 Strict Transport Security 365 days=31536000 s, includeSubDomains Public Key Pinning -- Server banner NA Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Content-Security-Policy: connect-src 'self' https://linkdm-backend.linkdm.com https://api.getrewardful.com https://connect.facebook.net https://www.facebook.com https://t.co https://analytics.twitter.com https://media.linkdm.com https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://us.consent.api.termly.io https://app.termly.io https://client-api.provesrc.com https://graph.facebook.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://app.linkdm.com https://px.ads.linkedin.com https://app.termly.io https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://www.facebook.com https://graph.facebook.com https://js.getrewardful.com https://connect.facebook.net https://r.wdfl.co https://platform.twitter.com https://static.ads-twitter.com https://www.googletagmanager.com; img-src 'self' data: blob: https:; worker-src 'self' blob:; media-src 'self' https://media.linkdm.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; frame-src https://www.google.com https://www.gstatic.com blob:; Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Access-Control-Allow-Origin: https://app.linkdm.com Access-Control-Allow-Credentials: true Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=0, s-maxage=31536000 Reverse Proxy banner X-Cache: Hit from cloudfront Via: 1.1 bdc8fc467b6845db707cb48e49c927d2.cloudfront.net (CloudFront) 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=EE3A45D5B33FC6DC22366E8BC5745CA63059C4C4DD67ECCCE2DD00EDF485474A 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 2026-04-23 08:26:11 [ 89s] -->> 3.171.22.102:443 (app.linkdm.com) <<-- ----------------------------------------------------- Start 2026-04-23 08:26:12 -->> 3.171.22.13:443 (app.linkdm.com) <<-- Further IP addresses: 3.171.22.30 3.171.22.102 3.171.22.82 2600:9000:289d:a000:8:9595:9500:93a1 2600:9000:289d:9800:8:9595:9500:93a1 2600:9000:289d:ec00:8:9595:9500:93a1 2600:9000:289d:2a00:8:9595:9500:93a1 2600:9000:289d:4e00:8:9595:9500:93a1 2600:9000:289d:2c00:8:9595:9500:93a1 2600:9000:289d:e200:8:9595:9500:93a1 2600:9000:289d:3a00:8:9595:9500:93a1 rDNS (3.171.22.13): server-3-171-22-13.ord56.r.cloudfront.net. 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 HTTP Age (RFC 7234) 176486 Strict Transport Security 365 days=31536000 s, includeSubDomains Public Key Pinning -- Server banner NA Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Content-Security-Policy: connect-src 'self' https://linkdm-backend.linkdm.com https://api.getrewardful.com https://connect.facebook.net https://www.facebook.com https://t.co https://analytics.twitter.com https://media.linkdm.com https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://us.consent.api.termly.io https://app.termly.io https://client-api.provesrc.com https://graph.facebook.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://app.linkdm.com https://px.ads.linkedin.com https://app.termly.io https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://www.facebook.com https://graph.facebook.com https://js.getrewardful.com https://connect.facebook.net https://r.wdfl.co https://platform.twitter.com https://static.ads-twitter.com https://www.googletagmanager.com; img-src 'self' data: blob: https:; worker-src 'self' blob:; media-src 'self' https://media.linkdm.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; frame-src https://www.google.com https://www.gstatic.com blob:; Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Access-Control-Allow-Origin: https://app.linkdm.com Access-Control-Allow-Credentials: true Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=0, s-maxage=31536000 Reverse Proxy banner X-Cache: Hit from cloudfront Via: 1.1 0ca9e6171ff8ee1bfbbaee63c1553bcc.cloudfront.net (CloudFront) 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=EE3A45D5B33FC6DC22366E8BC5745CA63059C4C4DD67ECCCE2DD00EDF485474A 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 2026-04-23 08:27:38 [ 176s] -->> 3.171.22.13:443 (app.linkdm.com) <<-- ----------------------------------------------------- Start 2026-04-23 08:27:39 -->> 3.171.22.82:443 (app.linkdm.com) <<-- Further IP addresses: 3.171.22.30 3.171.22.102 3.171.22.13 2600:9000:289d:a000:8:9595:9500:93a1 2600:9000:289d:9800:8:9595:9500:93a1 2600:9000:289d:ec00:8:9595:9500:93a1 2600:9000:289d:2a00:8:9595:9500:93a1 2600:9000:289d:4e00:8:9595:9500:93a1 2600:9000:289d:2c00:8:9595:9500:93a1 2600:9000:289d:e200:8:9595:9500:93a1 2600:9000:289d:3a00:8:9595:9500:93a1 rDNS (3.171.22.82): server-3-171-22-82.ord56.r.cloudfront.net. 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 HTTP Age (RFC 7234) 176569 Strict Transport Security 365 days=31536000 s, includeSubDomains Public Key Pinning -- Server banner NA Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Content-Security-Policy: connect-src 'self' https://linkdm-backend.linkdm.com https://api.getrewardful.com https://connect.facebook.net https://www.facebook.com https://t.co https://analytics.twitter.com https://media.linkdm.com https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://us.consent.api.termly.io https://app.termly.io https://client-api.provesrc.com https://graph.facebook.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://app.linkdm.com https://px.ads.linkedin.com https://app.termly.io https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://www.facebook.com https://graph.facebook.com https://js.getrewardful.com https://connect.facebook.net https://r.wdfl.co https://platform.twitter.com https://static.ads-twitter.com https://www.googletagmanager.com; img-src 'self' data: blob: https:; worker-src 'self' blob:; media-src 'self' https://media.linkdm.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; frame-src https://www.google.com https://www.gstatic.com blob:; Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Access-Control-Allow-Origin: https://app.linkdm.com Access-Control-Allow-Credentials: true Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=0, s-maxage=31536000 Reverse Proxy banner X-Cache: Hit from cloudfront Via: 1.1 2da08e902bcb158fac59456f19b57c8e.cloudfront.net (CloudFront) 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=EE3A45D5B33FC6DC22366E8BC5745CA63059C4C4DD67ECCCE2DD00EDF485474A 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 2026-04-23 08:28:57 [ 254s] -->> 3.171.22.82:443 (app.linkdm.com) <<-- ----------------------------------------------------- Start 2026-04-23 08:28:57 -->> 3.171.22.30:443 (app.linkdm.com) <<-- Further IP addresses: 3.171.22.102 3.171.22.13 3.171.22.82 2600:9000:289d:a000:8:9595:9500:93a1 2600:9000:289d:9800:8:9595:9500:93a1 2600:9000:289d:ec00:8:9595:9500:93a1 2600:9000:289d:2a00:8:9595:9500:93a1 2600:9000:289d:4e00:8:9595:9500:93a1 2600:9000:289d:2c00:8:9595:9500:93a1 2600:9000:289d:e200:8:9595:9500:93a1 2600:9000:289d:3a00:8:9595:9500:93a1 rDNS (3.171.22.30): server-3-171-22-30.ord56.r.cloudfront.net. 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 HTTP Age (RFC 7234) 176648 Strict Transport Security 365 days=31536000 s, includeSubDomains Public Key Pinning -- Server banner NA Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff Content-Security-Policy: connect-src 'self' https://linkdm-backend.linkdm.com https://api.getrewardful.com https://connect.facebook.net https://www.facebook.com https://t.co https://analytics.twitter.com https://media.linkdm.com https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://us.consent.api.termly.io https://app.termly.io https://client-api.provesrc.com https://graph.facebook.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://app.linkdm.com https://px.ads.linkedin.com https://app.termly.io https://www.google-analytics.com https://www.google.com https://www.gstatic.com https://www.facebook.com https://graph.facebook.com https://js.getrewardful.com https://connect.facebook.net https://r.wdfl.co https://platform.twitter.com https://static.ads-twitter.com https://www.googletagmanager.com; img-src 'self' data: blob: https:; worker-src 'self' blob:; media-src 'self' https://media.linkdm.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com data:; frame-src https://www.google.com https://www.gstatic.com blob:; Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Access-Control-Allow-Origin: https://app.linkdm.com Access-Control-Allow-Credentials: true Permissions-Policy: geolocation=(self "https://app.linkdm.com"), microphone=(), camera=(), fullscreen=(self) Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=0, s-maxage=31536000 Reverse Proxy banner X-Cache: Hit from cloudfront Via: 1.1 e802097b75aa610276233c6b3bb4ed5c.cloudfront.net (CloudFront) 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=EE3A45D5B33FC6DC22366E8BC5745CA63059C4C4DD67ECCCE2DD00EDF485474A 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 2026-04-23 08:30:20 [ 338s] -->> 3.171.22.30:443 (app.linkdm.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 3.171.22.102 3.171.22.13 3.171.22.82 3.171.22.30
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.