nat-mapmp

A NAT-PMP implementation with natmap.

Usage

1. Download nat-mapmp. Add execute permission to it.

   # Download nat-mapmp
   curl -Lo nat-mapmp.mjs $(
      curl -s https://api.github.com/repos/opportunityliu/nat-mapmp/releases/latest \
         | grep "browser_download_url.*mjs\"" \
         | cut -d : -f 2,3 \
         | tr -d \" )
   
   # Add execute permission
   chmod +x ./nat-mapmp.mjs

2. Install nodeJS. Make sure node version is >= 16.0.0.

   # Install nodejs on OpenWrt
   opkg update && opkg install node
   
   # Check node version
   node --version

3. Allow inbound connections to natmap binding ports. Default ports are 9000-9999. You can change it by setting --bind option.

   Navigate to Network > Firewall > Traffic Rules in LuCI, add a new rule. Set Protocol to TCP+UDP, Source zone to wan, Destination port to 9000-9999, Action to ACCEPT.

4. Install natmap. Make sure natmap is in your $PATH, or you can set the natmap executable path via --exec option.

5. Run nat-mapmp with nodejs.

   ./nat-mapmp.mjs

   You can also use nohup to run it in background.

   nohup ./nat-mapmp.mjs &

6. For more options, run ./nat-mapmp.mjs --help.

References

• NAT-PMP
• PCP