ModsFinder

4-net RE

by xXaneole

4-net RE is a lightweight Forge utility that helps a player share a singleplayer world over LAN with friends outside the local network.

ForgeClient-side onlyMIT License1.19.2

What it does

After a singleplayer world is opened to LAN, the utility spots the open session and configures firewall routing for the game port through built-in system commands. It then fetches the public IP address automatically, so the connection details can be shared without looking anything up by hand.

The final direct connection address is copied to the clipboard, where it can be pasted into chat and sent to a friend. Client-side only: only the player hosting the world needs the mod, and friends joining the session install nothing extra. The mod is released under the MIT License and is not open source. It is published for Forge and covers 1.19.2 only, with the 1.0.0 file dated 2026-06-28.

Key features

  1. LAN world detection

    The utility recognizes when a singleplayer world has been opened to LAN and begins the setup automatically.

  2. Firewall routing

    The game port is routed through the firewall with standard internal commands, without manual edits to network settings.

  3. Public IP lookup

    The public IP address is fetched automatically and combined with the port into one connection string.

  4. Clipboard copy

    The final direct connection address is copied to the clipboard, ready to paste into chat.

Compatibility

Latest build for each game version and loader.

1.19.21.0.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Use cases

Hosting for friends

A player starts a world, clicks Open LAN, checks the chat for the connection address, and sends the copied IP to a friend.

Who it’s for: Players who want to host a singleplayer world for friends on another network without configuring the router or firewall by hand. The mod is intended for players on Forge 1.19.2.

Questions

Does 4-net RE need to be installed on a server?

No. It is installed on the player's side alone, so servers need nothing.

Which Minecraft version does 4-net RE support?

Only 1.19.2 on Forge. The latest file is 1.0.0 for 1.19.2, published 2026-06-28.

How does a friend join once the address is copied?

The host pastes the copied connection address into chat and sends it, and the friend uses it as a direct connection in the multiplayer menu.

What the author says

4-net RE is a lightweight utility mod designed for Forge 1.19.2. It automates the configuration process when hosting a local world for your friends. Features: - Detects when you open your singleplayer world to LAN. - Sets up firewall routing for the game port using standard internal commands. - Automatically fetches…
xXaneole, on the Modrinth page

Official listing

Owner
xXaneole
Published
2026-06-28
Updated on Modrinth
2026-06-28
Facts verified
2026-10-15
Open on ModrinthCompare