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number. Some of the common IP protocols, such as IGMP, are already pre-defined in the

NetDefendOS system configuration.

Similar to the TCP/UDP port ranges described previously, a range of IP protocol numbers can be

used to specify multiple applications for one service.

Note

The currently assigned IP protocol numbers and references are published by the

Internet Assigned Numbers Authority (IANA) and can be found at

http://www.iana.org/assignments/protocol-numbers

Example 3.9. Adding an IP Protocol Service

This example shows how to add an IP Protocol Service, with the Virtual Router Redundancy Protocol.

CLI

gw-world:/> add Service ServiceIPProto VRRP IPProto=112

Web Interface

1. Go to Objects > Services > Add > IP protocol service

2. Specify a suitable name for the service, eg. VRRP

3. Enter 112 in the IP Protocol control

4. Optionally enter Virtual Router Redundancy Protocol in the Comments control

5. Click OK

3.2.4. Custom IP Protocol Services Chapter 3. Fundamentals