Update cheatsheets

testssl

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# testssl
+
+> Check SSL/TLS protocols and ciphers supported by a server.
+> More information: <https://testssl.sh/>.
+
+- Test a server (run every check) on port 443:
+
+`testssl {{example.com}}`
+
+- Test a different port:
+
+`testssl {{example.com:465}}`
+
+- Only check available protocols:
+
+`testssl --protocols {{example.com}}`
+
+- Only check vulnerabilities:
+
+`testssl --vulnerable {{example.com}}`
+
+- Only check HTTP security headers:
+
+`testssl --headers {{example.com}}`
+
+- Test other STARTTLS enabled protocols:
+
+`testssl --starttls {{ftp|smtp|pop3|imap|xmpp|sieve|xmpp-server|telnet|ldap|irc|lmtp|nntp|postgres|mysql}} {{example.com}}:{{port}}`