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Fix typo in UFW firewall rules #56

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Fix typo in UFW firewall rules #56

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2 changes: 1 addition & 1 deletion src/content/docs/guides/vpn-setup.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ Run these four commands:
```sh
sudo ufw allow OpenSSH
sudo ufw allow 500,4500/udp
sudo ufw allow 5
sudo ufw allow 53
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Copilot AI Mar 12, 2026

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sudo ufw allow 53 opens DNS (TCP+UDP) to the public internet from any source. If the intent is only to let VPN clients resolve DNS through the tunnel, it’s safer to restrict this rule to the VPN client subnet/interface (e.g., 10.10.10.0/24) and/or specify the exact protocol(s) needed (53/udp and only add 53/tcp if required) to avoid accidentally creating an open resolver/amplification surface.

Suggested change
sudo ufw allow 53
sudo ufw allow from 10.10.10.0/24 to any port 53 proto udp

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sudo ufw enable
```

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