# Networking

> Linux networking fundamentals - configuration, troubleshooting, security

- Skill: `pluginagentmarketplace/networking-2` (Agent Skill, multi-file: 7 files)
- Install (CLI): `npx skillmds@latest add pluginagentmarketplace/networking-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/pluginagentmarketplace/networking-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: pluginagentmarketplace (https://skillmd.com/u/pluginagentmarketplace)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/pluginagentmarketplace/networking-2

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# Networking Skill

## Overview

Master Linux networking configuration, troubleshooting, and security.

## Capabilities

- **Configuration**: IP, routes, DNS
- **Troubleshooting**: tcpdump, netstat, ss
- **Firewalls**: iptables, nftables, firewalld
- **Services**: SSH, VPN, proxy
- **Monitoring**: iftop, nethogs, nmap

## Examples

```bash
# Check network interfaces
ip addr show

# Test connectivity
ping -c 4 google.com
traceroute google.com
```