Post #1124195
2026-03-25 13:21 UTC
If your firewall starts behaving strangely after installing #docker on #opensuse #slowroll, the reason is that firewalld has switched to nft, but docker still uses iptables. You may have to install iptables (the CLI tool) to fix the damage.
Replies (3)
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@liskin@genserver.social 2026-03-25 13:39
@ptesarik also I've heard that in this setup docker container ports might be exposed to the internet despite whatever firewalld config because the two interact a bit weird better double check, or — I'd recommend this — switch to rootless docker/podman which doesn't touch iptables at all
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@ffmancera@mastodon.social 2026-03-25 13:27
@ptesarik Shouldn't docker be using iptables-nft by default on openSUSE? Or am I missing something?
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@oleksandr@activitypub.natalenko.name 2026-03-25 13:38
@ptesarik Too bad docker is still used.