[pkg-netfilter-team] Bug#946519: iptables fails to update rules from fwbuilder

[Arturo Borrero Gonzalez]

On Tue, 10 Dec 2019 14:32:59 +0100
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<j.fdez.jambrina at gr.ssr.upm.es> wrote:
> Package: iptables
> Version: 1.8.3-2
> Severity: important
> 
> Dear Maintainer,
> 
>    After upgrading to buster from strech, the iptables defined in fwbuilder don't works when changed:
>  iall I get is a message "iptables: Chain already exists" for each rule and they don't work.
> 
>    Moreover as I removed network-manager package my system start withour rules (maybe with default rules) an this moment the script generated by fwbuilder runs without warnning and rules are applied. Afterwards, if I tried to aplly diferent rules, I get the warnning messages and the rules don't work.
> 
>    At first my system was running the stable version of iptables, 1.8.2-4, so I move to the testing version, 1.8.3-2, without changes.
> 

We would need additional information about what ruleset are you (or fwbuilder)
trying to load.

regards.