Patent ID: 7451234

Claim:
A method for dynamic updating of an IP router firewall using a DDNS server, comprising: capturing, by a DDNS client attached to an HBS, a change in at least one HBS IP address; notifying, upon a change in the at least one HBS IP address, a DDNS server of the at least one HBS IP address change; transmitting, from the DDNS server to a subscriber register, a UDP notification indicating at least one HBS IP address change; querying, by a firewall filter client, the subscriber register for the at least one changed HBS IP address; comparing, at the firewall filter client, the at least one changed HBS IP address to an IP address filter list in the IP router firewall; determining, at the firewall filter client, what items in the IP address filter list to alter; and altering, at the IP router firewall, the IP address filter list with the at least one changed HBS IP address.