Allow Docker DNS from 192.168 networks (#5465)

* Allow Docker DNS from 192.168 networks

* Only add Docker DNS rule when UFW is active
This commit is contained in:
David Zucker
2026-04-29 14:10:02 +02:00
committed by GitHub
parent 4cc6ea3d9f
commit 858916783f
2 changed files with 6 additions and 0 deletions
+1
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@@ -8,6 +8,7 @@ sudo ufw allow 53317/tcp
# Allow Docker containers to use DNS on host
sudo ufw allow in proto udp from 172.16.0.0/12 to 172.17.0.1 port 53 comment 'allow-docker-dns'
sudo ufw allow in proto udp from 192.168.0.0/16 to 172.17.0.1 port 53 comment 'allow-docker-dns'
# Turn on the firewall
sudo ufw --force enable
+5
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@@ -0,0 +1,5 @@
echo "Allow Docker DNS from Docker's 192.168 address pool"
if omarchy-cmd-present ufw && sudo ufw status | grep -q "Status: active"; then
sudo ufw allow in proto udp from 192.168.0.0/16 to 172.17.0.1 port 53 comment 'allow-docker-dns'
fi