D-Link G604T Product Manual - Page 50

Firewall The Firewall Configuration menu allows the Router to enforce specific predefined policies intended to protect against certain common types of attacks. There are two general types of protection (DoS and Port Scan) that can be enabled on the Router, as well as filtering for specific packet types sometimes used by hackers. You can choose to Enable or Disable protection against a customized basket of attack and scan types. To enable DoS Protection or Port Scan Protection, select the Enable radio button for the protection type and click in the selection boxes for the various types of protection listed under each. Figure 4- 4. Firewall Configuration Menu When DoS, Port Scan, or Service Filtering Protection is enabled, it will create a firewall policy to protect your network against the following: Dos Protection Port Scan Protection Service Filtering SYN Flood check Nmap/FIN attack ICMP Redirection check URG/PSH attack Xmas Tree Scan Null Scan attack SYN/RST attack SYN/FIN Scan Ping from WAN Telnet from WAN FTP from WAN DNS from WAN IKE from WAN RIP from WAN DHCP from WAN