Individual skill

analyzing-tls-config

Analyze a target's TLS configuration — negotiated protocol version, cipher suite, certificate chain, expiry, and downgrade vectors. Use when: SOC2 auditor flagged your endpoint for "weak TLS" but you don't know which control failed (TSC CC6.7 transmission integrity vs CC6.6 encryption) or which cipher is the problem. Threshold: any negotiated TLSv1.0 or TLSv1.1, OR a cipher with RC4 / 3DES / null / EXPORT, OR a cert with under 30 days to expiry, OR a chain that fails hostname verification. Trigger with: "audit tls", "check ssl config", "weak tls", "analyze tls".

plugins/security/penetration-tester/skills/analyzing-tls-config/SKILL.md

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Last checked
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Repository last updated
Nov 12, 2026
License
MIT

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# Analyzing TLS Configuration

## Overview

This skill audits a target's TLS posture against current best practice
(NIST SP 800-52r2, Mozilla TLS Configuration Guidelines, PCI DSS v4.0 Req
4.2.1.1). It reports specific findings — not "your TLS is weak" but
"your server negotiated TLSv1.0 with RC4-SHA — see remediation".

## When the skill produces findings

Specific failure thresholds, in order of severity:

| Finding | Severity | Threshold | Affected control |
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