<li>Specify which destinations the client should be allowed to access</li>
</ol>
<p>Unlike "Allowed IPs" which only controls client-side routing, firewall rules are enforced by the server and cannot be bypassed.</p>
<p>See the <ahref="guides/admin/#per-client-firewall">Admin Panel Guide</a> and <ahref="guides/clients/#firewall-allowed-ips">Client Guide</a> for detailed configuration.</p>
<p>See the <ahref="../guides/admin/#per-client-firewall">Admin Panel Guide</a> and <ahref="../guides/clients/#firewall-allowed-ips">Client Guide</a> for detailed configuration.</p>
<h2id="error-wireguard-exited-with-the-error-cannot-find-device-wg0"><aclass="toclink"href="#error-wireguard-exited-with-the-error-cannot-find-device-wg0">Error: WireGuard exited with the error: Cannot find device "wg0"</a></h2>
<p>This error indicates that the WireGuard interface <code>wg0</code> does not exist. This can happen if the WireGuard kernel module is not loaded or if the interface was not created properly.</p>
<p>To resolve this issue, you can try the following steps:</p>