HP VPN Firewall Appliances Network Management Configuration Guide

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[Firewall] dns server 1.1.1.1
# Apply the DDNS policy to interface Ethernet 1/1 to enable DDNS update and dynamically update the
mapping between whatever.gicp.cn and the primary IP address of GigabitEthernet 0/1.
[Firewall] interface gigabitethernet 0/1
[Firewall-GigabitEthernet0/1] ddns apply policy oray.cn fqdn whatever.gicp.cn
After the preceding configuration is completed, Firewall notifies the DNS server of its new domain
name-to-IP address mapping through the PeanutHull server, whenever the IP address of Firewall changes.
Therefore, Firewall can always provide Web service at whatever.gicp.cn.