Configures TLS 1.3 (RFC 8446) on servers, covering cipher suite and key-exchange group selection, and validates the resulting configuration with openssl s_client and testssl.sh. Use when deploying or hardening TLS 1.3 for secure communications, or when testing a server for common TLS misconfigurations and vulnerabilities.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill configuring-tls-1-3-for-secure-communicationsnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill configuring-tls-1-3-for-secure-communications -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill configuring-tls-1-3-for-secure-communications -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/configuring-tls-1-3-for-secure-communicationsgh skill install mukul975/Anthropic-Cybersecurity-Skills configuring-tls-1-3-for-secure-communicationsgit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/configuring-tls-1-3-for-secure-communications ~/.claude/skills/configuring-tls-1-3-for-secure-communications # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/configuring-tls-1-3-for-secure-communications ~/.agents/skills/configuring-tls-1-3-for-secure-communications # Codex, Cursor, Gemini CLI, Copilot, OpenCode