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Public Port
Specifies which port should be redirected to the internal
host.
Private IP
Specifies the private IP address of the internal host offering
the service.
Private Port
Specifies the private port number of the service offered by
the internal host.
Apply
Click here to add the port-mapping entry and enable the
service.
Dynamic DNS
DDNS is a service that maps Internet domain names to IP addresses. DDNS serves a similar
purpose to DNS: DDNS allows anyone hosting a Web or FTP server to advertise a public nam
e to prospective users. Unlike DNS that only works with static IP addresses, DDNS works with
dynamic IP addresses, such as those assigned by an ISP or other DHCP server. DDNS is po
pular with home network, who typically receive dynamic, frequently-changing IP addresses from
their service provider. To use DDNS, one simply signs up with a provider and installs network
software on their host to monitor its IP address.