R3166-R3206-HP High-End Firewalls Network Management Configuration Guide-6PW101

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# Enable dynamic domain name resolution on Firewall.
[Firewall] dns resolve
# Specify the IP address of the DNS server as 1.1.1.1.
[Firewall] dns server 1.1.1.1
# Apply the DDNS policy to interface GigabitEthernet0/1 to enable DDNS update and dynamically
update the mapping between whatever.gicp.cn and the primary IP address of GigabitEthernet0/1.
[Firewall] interface GigabitEthernet 0/1
[Firewall-GigabitEthernet0/1] ddns apply policy oray.cn fqdn whatever.gicp.cn
After the preceding configuration is completed, Firewall will notify 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.