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A zone represents a collection of network addresses that create one logical group of IP addresses, which is useful when you reuse the same set of addresses in multiple rules. Each address in a given group is assigned similar rules defined centrally for the whole group. One example of such a group is a Trusted zone. A Trusted zone represents a group of network addresses that are not blocked by the Firewall in any way.

To add a trusted zone:

1.Open Advanced setup (F5) > Network protection > Basic > Zones.

2.Click Edit next to the Zones.

3.Click Add, type Name and Description for the new zone, and add a remote IP address into the Remote computer address (IPv4/IPv6, range, mask) field.

4.Click OK.


Name—Name of a group of remote computers.

IP addresses—Remote IP addresses that belong to a zone.

Control elements

When you add or edit a zone, the following fields are available:

Name—Name of a group of remote computers.

Description—A general description of the group.

Remote computer address (IPv4, IPv6, range, mask)—A remote address, address range or subnet.

Delete—Removes a zone from the list.


Pre-defined zones cannot be removed.