Linksys WRT54G2: DMZ and DDNS Settings

DMZ Settings:

1. Click Applications and Gaming then DMZ.
2. Select Enable and enter the IP address of the device you want to access in WAN.
3. Click Save Settings.

DDNS Settings:

1.  On Setup, select DDNS.
2. Enable DDNS Service.
3. Select your Dynamic DNS provider.(e.g. Dyndns.org)
   
4. Enter username, password and hostname, respectively. (make sure you have already created hostname for your device, for it to update successfully.)
   
5. Click Save.

PLDT myDSL ZXV10 W300: DMZ and DDNS Settings

For Demilitarized Zone (DMZ):

1. Type 192.168.1.1 in the URL address
2. Enter adminpldt and 1234567890, as username and password respectively.
3. Go to Advance Setup, click NAT.
4. Click DMZ,  select Enable then enter your device IP address in DMZ Host IP Address.
5. Click Save.

For DDNS Setting:

1. Go to Access Management.
2. Click DDNS
3. Select Activated to Enable Dynamic DNS.
4. Enter hostname, username and password  of your dyndns account for your dvr.
5. Click Save.