Make a Computer As DMZ Host On BSNL Modem

If your computer is barred from accessing certain web applications due to NAT or Firewall restrictions, you can overcome it either by port forwarding or by converting your computer as DMZ host. DMZ stands for De-Militarized Zone and the PC assigned as DMZ host is out of modem/router firewall protection. BSNL modem has the feature to assign a device connected to it as DMZ host. For that, we must enter the IP address of the computer on BSNL modem to assign as De-Militarized Zone. Since BSNL modem treats the IP address as DMZ host, you must assign the same IP address as the static IP address of the device which you want to use as De-Militarized Zone. Procedure to place a PC in De-Militarized Zone for BSNL broadband modem is provided below.

Facing Slower Internet Speed?

DMZ Host Configuration In BSNL Modem
  1. Login to Modem

    By default, the login IP address is and admin is the default username and password.

  2. Click on the Security tab

  3. Click on Virtual Server link

  4. Enter the static IP address you assigned to your PC as DMZ host address
    Use your computer as dmz host in bsnl Internet

You must enter the static IP address assigned to your computer as the De-Militarized Zone address in BSNL modem. Also, make sure the static IP address you have assigned to your PC is not in the IP range of the DHCP server. For example, if the DHCP range is 50 and the starting IP address is, it is safe to use an IP address from onwards.

Benefits & Risks of Using a Computer As DMZ Host
If your computer is facing issues with accessing certain websites or playing online games when connected to BSNL modem in PPPoE mode, you can override the BSNL modem restrictions by converting your computer as DMZ host. Your PC is open to the Internet without any protection or restrictions from modem firewall security when it is DMZ host. It risky to use a laptop in De-Militarized Zone because it is no longer protected from external threats unless your laptop has separate firewall protection. So it is not very recommended use a device as DMZ unless you are a hardcore gamer or planning to use your computer as a web host. By installing a reputed firewall program on your computer, you can enable protection even if it is acting as in De-Militarized Zone.

Recommended Tutorials
  1. What is De-Militarized Zone and Its Use

  2. How to Assign Static IP Address From Command Prompt

  3. How to Configure Broadband On Teracom Modem in PPPoE Mode

  4. I Cannot Open Certain Websites Using BSNL Connection

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