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Add IPv4 address

This enables you to add an IP address/address range/subnet of a remote point to which a rule is applied. Internet Protocol version 4 is the older but still the most widely used.

Single address—Adds the IP address of an individual computer for which the rule is to be applied (for example 192.168.0.10).

Address range—Type the starting and ending address IP address to specify the IP range (of several computers) for which the rule is to be applied (for example 192.168.0.1 to 192.168.0.99).

Subnet—Subnet (a group of computers) defined by an IP address and mask.

For example, 255.255.255.0 is the network mask for the 192.168.1.0/24 prefix, that means 192.168.1.1 to 192.168.1.254 address range.