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Is it possible to delete the default zones in Firewalld, and if not, why? (sh.itjust.works)

submitted 9 months ago* (last edited 9 months ago) by Kalcifer@sh.itjust.works to c/linux@lemmy.ml

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If you try to remove one of the predefined zones from Firewalld, e.g. public, you encounter the following error:

Error: BUILTIN_ZONE: 'public' is built-in zone

I don't like that Firewalld is bloated with all of these built in zones that I will never use. I want to get rid of them, but, from what I've been able to find, it appears non-trivial to do so.

EDIT (2024-01-27T01:55Z):

I came across this GitHub issue. So it appears that this is a known "issue", and it could potentially be changed in the future, albeit probably far in the future. It is a very strange initial design choice, though, in my opinion.

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[–] BCsven@lemmy.ca 1 points 9 months ago (1 children)

I see. I guess my point was they exist for a reason, as the default target of one zone handsover to the next zone (target) and then its target, in order to handle traffic not in your zone rules. Maybe you know that already. If you have a static machine at work mayne you don't need home zone, but it is not causing "bloat". You would also still need drop, block and so on. My thought is if you think firewalld is bloat, just use iptables directly.

[–] Kalcifer@sh.itjust.works -1 points 9 months ago* (last edited 9 months ago) (1 children)

I see. I guess my point was they exist for a reason, as the default target of one zone handsover to the next zone (target) and then its target, in order to handle traffic not in your zone rules.

Yes, I am aware of that. Just allow the user to specify the zones though. Why force the default ones?

but it is not causing “bloat”.

It is if it's saving alternative configuration that will never be used.

just use iptables directly.

This is essentially what I ended up doing.

[–] BCsven@lemmy.ca 2 points 9 months ago

It makes sense for them to include the Reject, drop, type for obvious reasons, the others seem like they asked "what will be the most common use cases for networks?" so they threw them in as work, home, public and trusted, external, dns , etc so that somebody starting out doesn't have to create zones from scratch. I doubt having one extra zone takes up very much in the way of kb of space. compared to how much junk I have in my downloads folder that i should triage. What would be nice though would be a rename function, because we may have different Work rules depending on which workplace you are at that day with a system.