--- "A place to discuss Mac OS X for the casual user." wrote: They also support, I think, dynamic DNS services like DynDNS.org, informing servers when your IP address changes, and have "firewall" and other nice features. --- end of quote --- Yes, I can atest that this function works great on at least my netgear, as I have it updating my dns service with dyndns.org since I dont have a static IP from verizon. I use it to log into my desktop at home, watch the IP camera in my living room, etc, and it was very easy to set up on the netgear router I have.