How to Configure DMZ in OpenWrt

DMZ configuration in OpenWrt Wi-Fi Routers

What is DMZ

Before using DMZ or port forwarding configuration you should know “what is DMZ ? and what is the DMZ use in network.
DMZ full form is “demilitarised zone” it’s also called “perimeter network” The purpose of a DMZ is to add an additional layer of security to an organisation’s local area network (LAN). After Enable DMZ setting its authorized direct access to the an external network without accessible other part of network. In other word we can say DMZ create a terminal to direct access from external network which LAN IP Address we authorized to openwork there is no option for DMZ configuration but with port forwarding you can use like DMZ settings. this read will teach you DMZ configuration in openwrt

Services use in the DMZ !

most common of these services are used for DMZ which is being provided to an external user .

  • Web servers
  • Mail servers
  • FTP servers
  • VoIP servers

Port Forwarding For DMZ use in OpenWrt

  • Default Ip- Address is
    Put Same Series IP-Address in PC/Laptop (Ex :192.168.1.x)
    Open Internet Browser and type in address Bar .
    Default Username : root
    Password : blank(no password)

OpenWrt Choas charmer Login


Click Login to DMZ configuration in openwrt

Pr-Required Configuration for port forwarding

  • 1. Wan Network Should Configure with Public IP Address.
  • 2. If Using WISP Client Router Mode then WWan should Configure with Public IP.
  • 3. You Should know Port Number of Service You want forwarded for access from external network.

Firewall Setting

Go to –> Network –> Firewall

  • Zone –> Forwarding
  • Wan WWan Input = Reject | Output = Accept | Forward = Accept

OpenWrt Port Forwarding for DMZ

New Port Forward Settings

  • Name = Put name of service (EXP : WEB SERVER )
  • Protocol = TCP+UDP
  • External Zone = WAN
  • External Port = – (Leave it Blank)
  • internal Zone = LAN
  • internal IP Address = put your Lan Ip which you want to access from internet
  • internal Port = Assign Port Number of Application or Server you want to access (Exp : for HTTP use 80 port)
openwrt configure port forwarding

openwrt ssh port 22 connection refused

After Fill all option Click Add Button

openwrt attitude adjustment 12.09-rc1

Click Save & Apply For Settings Change.

Save & Apply in OpenWrt

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