SSL/TLS Reference Guide

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Comprehensive SSL/TLS reference guide covering protocol versions (TLS 1.2, 1.3, deprecated SSL 3.0/TLS 1.0/1.1), cipher suite security ratings, certificate validation types (DV, OV, EV), certificate authority trust, and HSTS configuration recommendations. Includes a cipher suite analyzer that rates common cipher strings as secure, deprecated, or vulnerable. Useful for server configuration, security audits, and learning TLS.

SSL Checker

Basic SSL/TLS security checklist for any domain. Enter a domain to check protocol security.

Full SSL certificate validation requires server-side API calls. This tool checks protocol format and provides SSL security guidelines.

How to Use SSL/TLS Reference Guide

  1. 1Browse protocol versions and their security status
  2. 2Enter a cipher suite name to rate its security
  3. 3Check certificate validation types
  4. 4Review HSTS and certificate pinning recommendations

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SSL/TLS Reference Guide runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.

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Frequently Asked Questions

What TLS version should I use?

TLS 1.3 is the current standard (2018+). TLS 1.2 is acceptable with strong cipher suites. TLS 1.1 and below are deprecated and should be disabled. SSL is completely insecure.

Why Use This Tool?

Files never leave your device
No upload to any server
Instant processing in browser
100% free, no account needed

Tags

ssl checkertls checkerssl certificatecipher suitetls protocol check

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