# Kerberos

> Kerberos network authentication protocol reference. Ticket-based SSO used by Active Directory. Covers TGT/TGS flow, krb5.conf, kinit/klist/kdestroy commands, keytab management, KDC setup, SSH/Apache/Nginx integration, AD realm join, and debugging.

- Skill: `bytesagain/kerberos` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add bytesagain/kerberos`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/kerberos/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bytesagain/kerberos

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# Kerberos Reference

Network authentication protocol.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | How it works, concepts |
| `config` | krb5.conf, keytabs, KDC |
| `integration` | SSH, AD, debugging |