testssl

Check SSL/TLS protocols and ciphers supported by a server.

TLDR

Test a server (run every check) on port 443

$ testssl [example.com]
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Test a different port

$ testssl [example.com:465]
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Only check available protocols

$ testssl --protocols [example.com]
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Only check vulnerabilities

$ testssl --vulnerable [example.com]
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Only check HTTP security headers

$ testssl --headers [example.com]
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