sslscan
Tests SSL/TLS enabled services to discover supported cipher suites
Platforms: Linux · Last verified September 6, 2026
This tool allow queries SSL/TLS services (such as HTTPS) and reports the protocol versions, cipher suites, key exchanges, signature algorithms, and certificates in use. This helps the user understand which parameters are weak from a security standpoint.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.