D-Link DFL-260E User Manual for DFL-260E - Page 308
Example 6.7. Using Private IPv4 Addresses, Action, Service, Source Interface, Destination Interface
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6.2.9. The H.323 ALG Chapter 6. Security Mechanisms • Action: Allow • Service: H323 • Source Interface: lan • Destination Interface: any • Source Network: lannet • Destination Network: 0.0.0.0/0 (all-nets) • Comment: Allow outgoing calls 3. Click OK Incoming Rule: 1. Go to: Rules > IP Rules > Add > IPRule 2. Now enter: • Name: H323AllowIn • Action: Allow • Service: H323 • Source Interface: any • Destination Interface: lan • Source Network: 0.0.0.0/0 (all-nets) • Destination Network: lannet • Comment: Allow incoming calls 3. Click OK Example 6.7. Using Private IPv4 Addresses This scenario consists of two H.323 phones, each one connected behind the NetDefend Firewall on a network with private IPv4 addresses. In order to place calls on these phones over the Internet, the following rules need to be added to the rule set in the firewall. Make sure there are no rules disallowing or allowing the same kind of ports/traffic before these rules. As we are using private IPs on the phones, incoming traffic need to be SATed as in the example below. The object ip-phone should be the internal IP of the H.323 phone behind each firewall. Web Interface Outgoing Rule: 1. Go to: Rules > IP Rules > Add > IPRule 2. Now enter: • Name: H323Out • Action: NAT • Service: H323 • Source Interface: lan • Destination Interface: any • Source Network: lannet 308