PLDT Zyxel P-600 Series: Port Forwarding

1. Type in  the local IP Address of the Modem in the address bar (192.168.1.1).
2. Enter 1234 for password.
3. Go to Advanced Setup
4. Select NAT
5. In SUA Only, click Edit Details.
6. Enter Port Number of the device in the Start Port and End Port. 
7. Enter the IP Address of the device and then 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.

How to access PLDT MyDSL HG530 DMZ settings?

If you are using PLDT MyDSL HG530 Modem, your default gateway should be 192.168.1.1.

1. Enter 192.168.1.1 on the address bar, when prompt with login. use username: adminpldt, password: 1234567890
2. On the left pane, click Basic, under that choose NAT.
3. click on DMZ, enter the IP address you would want to access in WAN.
4. click submit.

To make sure that your entry has been saved, try to restart the modem and access the dmz settings again.

How to access Advance Settings and DMZ in ZXDSL 831ii modem?

1. Type 192.168.1.1 in the address bar
2. When prompt with username and password. Use 'admin' and 'bayandsl', respectively without the qoute. 
3. Go to Advance, in the left pane click NAT.
4. Click DMZ, choose Enable.
5. Enter the IP Address of the device you want to access in the internet.
6. Click Save.

To make sure your entries has been saved, Reboot the modem and access it again.