Creating and using aliases
This recipe describes how to create, edit, and delete aliases. Aliases provide a degree of separation between firewall/NAT rules and values that may change in the future, such as IP addresses, networks, and ports. Using aliases whenever possible makes it much easier to maintain firewall rules.
How to do it...
- Navigate to
Firewall|Aliases. - Click on the
Addbutton. - Enter a name for the alias in the
Nametext field:
- Enter a brief (non-parsed) description in the
Descriptiontext field. - Select the type of alias to create in the
Typedrop-down menu (the choices areHost(s), Network(s),Port(s),URL(IPs),URL (Ports), URL Table (IPs), URL Table (Ports). The differences between these types will be explained in theThere’s moresection.
- Finish the configuration based on theTypeselection. ForHost(s), you should enter a host; forNetwork(s), you should enter a network and CIDR, and forPort(s), you should enter a port or port range. If you need to specify more than one entry, click on theAddbutton...
