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+# 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}}`