n0madic / tls-check

A Go-based CLI tool that checks server support for various TLS versions and evaluates TLS certificate validity, including expiration checks

TLS Version Checker

TLS Version Checker is a Go-based CLI tool that checks server support for various TLS versions and evaluates TLS certificate validity, including expiration checks. Simple, efficient, and requires no external dependencies.

Features

• Checks support for TLSv1.0, TLSv1.1, TLSv1.2, and TLSv1.3.
• Indicates whether a TLS version is considered deprecated.
• Verifies the server's TLS certificate for expiration.
• Provides detailed information on certificate validity.

Installation

To install the TLS Version Checker, you must have Go installed on your system. If you don't have Go installed, you can download it from the official website.

go install github.com/n0madic/tls-check@latest

Usage

Run the program from the command line, specifying one or more servers (with optional port numbers) to check:

tls-check server1.com server2.com:8443