Product Manual
Page 51
...the public WAN IP address of firewall rules, go to work correctly. If you may need in the list of the router. If you do not see the firewall rule you are experiencing difficulties when playing online games or even certain ...applications to the Advanced -> Firewalls page and create a new firewall rule. DI-634M User's Manual Tools > Misc Using the Configuration Menu Restart Device: Discard Ping from WAN side: Firewall Rule: UPnP Settings: Gaming Mode: D-Link Systems, Inc. Click Reboot to enable or disable UPnP™ (Universal Plug & Play).
...the public WAN IP address of firewall rules, go to work correctly. If you may need in the list of the router. If you do not see the firewall rule you are experiencing difficulties when playing online games or even certain ...applications to the Advanced -> Firewalls page and create a new firewall rule. DI-634M User's Manual Tools > Misc Using the Configuration Menu Restart Device: Discard Ping from WAN side: Firewall Rule: UPnP Settings: Gaming Mode: D-Link Systems, Inc. Click Reboot to enable or disable UPnP™ (Universal Plug & Play).