You can configure Access Gateway Appliance to have multiple hostnames or to resolve DNS names to IP addresses. If you manually edit the /etc/hosts file, your modifications are lost when Access Gateway Appliance is updated. When you use the Hosts page to specify entries, the entries are written to the /etc/hosts file whenever the Access Gateway Appliance configuration is updated.
Click Devices > Access Gateways > Edit > Hosts.
(Conditional) If Access Gateway is a member of a cluster, select the server you want to configure in Cluster Member. All changes made to this page apply to the selected server.
To add a new hostname to an existing IP address, click the name of a Host IP Address.
In Host Name(s), specify a name for the host. Place each hostname on a separate line and click OK.
To add a new IP address and hostname, click New in Host IP Address List, then specify the IP address. In Host Name(s), specify a hostname, then click OK.
To delete a host, select the check box next to the host you want to delete, then click Delete.
Click OK.
On the Server Configuration page, click OK, then update Access Gateway.