• Access Control • Internet • Virtual Servers • Dynamic DNS • Options • Remote Admin • Routing • Security • VoIP QoS Security Firewall Enable DoS (Denial of Service) Firewall (Recommended) Options Set port 113 stealthed Respond to ICMP (ping) on WAN interface Allow VPN Passthrough (IPsec, PPTP, L2TP) Drop fragmented IP packets Block TCP Flood Block UDP Flood Block non-standard packets