ZyXEL NBG6503 User Guide - Page 132
Table 56, Label, Description
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Chapter 17 Firewall Table 56 Security > Firewall > Services (continued) LABEL DESCRIPTION Enable Firewall Rule Enable Firewall Select this check box to activate the firewall rules that you define (see Add Firewall Rule Rule below) Apply Click Apply to save the settings. Add Firewall Rule Service Name Enter a name that identifies or describes the firewall rule. MAC Address Enter the MAC address of the computer for which the firewall rule applies. Dest IP Address Enter the IP address of the computer to which traffic for the application or service is entering. The Router applies the firewall rule to traffic initiating from this computer. Source IP Address Enter the IP address of the computer that initializes traffic for the application or service. The Router applies the firewall rule to traffic initiating from this computer. Protocol Select the protocol (TCP, UDP, ICMP or None) used to transport the packets for which you want to apply the firewall rule. Dest Port Range Enter the port number/range of the destination that define the traffic type, for example TCP port 80 defines web traffic. Source Port Range Enter the port number/range of the source that define the traffic type, for example TCP port 80 defines web traffic. Add Rule Click Add to save the firewall rule. Firewall Rule # This is your firewall rule number. The ordering of your rules is important as rules are applied in turn. Service Name This is a name that identifies or describes the firewall rule. MAC Address This is the MAC address of the computer for which the firewall rule applies. Dest IP Address This is the IP address of the computer to which traffic for the application or service is entering. Source IP Address This is the IP address of the computer from which traffic for the application or service is initialized. Protocol This is the protocol (TCP, UDP, ICMP or None) used to transport the packets for which you want to apply the firewall rule. Dest Port Range This is the port number/range of the destination that define the traffic type, for example TCP port 80 defines web traffic. Source Port Range This is the port number/range of the source that define the traffic type, for example TCP port 80 defines web traffic. Action Drop - Traffic matching the conditions of the firewall rule are stopped. Delete Click this to remove the firewall rule. Reset Click Reset to start configuring this screen again. See Appendix D on page 223 for commonly used services and port numbers. 132 NBG6503 User's Guide