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Network Artifacts
| Active Connections | netstat -tulnp, ss -tulnp | Open ports, listening services |
| DNS Cache | /etc/resolv.conf, dig, systemd-resolve | Resolver settings (Linux doesn't cache DNS by default) |
| Firewall | iptables -L, nft list ruleset | Rules and policies |
| Hosts File | /etc/hosts | Local DNS overrides |
| Proxy Settings | `env | grep -i proxy` |
| ARP Cache | ip neigh, arp -a | Network mapping |
| VPN Configs | /etc/openvpn/, ~/.openvpn/ | VPN client configs |