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docs: add LAN/Friends multiplayer firewall FAQ #128

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16 changes: 16 additions & 0 deletions src/faq/index.md
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# Frequently Asked Questions

## Cannot host or join LAN/Friends worlds

Open UDP port 7551 in your firewall.

ufw
```sh
sudo ufw allow 7551/udp
sudo ufw reload
```

firewalld
```sh
sudo firewall-cmd --zone=public --add-port=7551/udp --permanent
sudo firewall-cmd --reload
```

## Do I need to own Minecraft: Pocket Edition to play?

Yes. To download and update a compatible version of the game, the
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