# Firewall Configuration

> Configure ufw iptables firewall rules for common services

- Skill: `loopyluci/firewall-configuration` (Agent Skill)
- Install (CLI): `npx skillmds@latest add loopyluci/firewall-configuration`
- Raw SKILL.md: https://api.skillmd.com/api/skills/loopyluci/firewall-configuration/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: LoopyLuci (https://skillmd.com/u/loopyluci)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/loopyluci/firewall-configuration

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# Firewall Configuration

## UFW (Ubuntu)
```bash
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow ssh
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp
sudo ufw enable
sudo ufw status verbose
```

## Common Rules
```bash
sudo ufw allow from 192.168.1.0/24
sudo ufw deny from 10.0.0.1
sudo ufw limit ssh  # Rate limit SSH attempts
```