D-Link DFL-2500 User Guide - Page 135
IP Rules Configuration
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116 Chapter 14. IP Rules 14.3 Scenarios: IP Rules Configuration This section shows you example configurations of IP rules, including: • NAT rule • SAT rule - Publicly accessible Server with a Private Address in a DMZ Other features' setups cooperating with NAT can be found in 16 DMZ & Port Forwarding, and 24 Server Load Balancing. Example: Enabling Ping on firewall's external IP address In this example, we configure an IP rule to allow ICMP(Ping) packets to be received by the external interface of the firewall. 1. Define an ICMP service object and name it "ping-inbound". (Note that the D-Link Firewall is delivered with a "ping-inbound" service configured as default which can be used) 2. Create a new Rule with name "Ping to Ext", and Allow the service from Any interface on all-nets to the firewall's core interface on ip ext network. WebUI : 1. Create Ping-Inbound Service If no ping-inbound service is defined, we need to create a new service. Objects → Services → Add → ICMP Service: Name: ping-inbound ICMP Parameters ICMP Message Types: Echo Request (Codes 0-255) Then click OK D-Link Firewalls User's Guide
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