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Correctly restore connection mark for UDP traffic, to allow e.g. DNS services to work

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@struanb struanb released this 04 Sep 12:13
· 20 commits to main since this release

DIND <= v3.2.0 did not correctly handle UDP protocol services, due to an oversight in application of connection tracking rules, and insufficient testing.

This release correctly restores the connection mark for UDP traffic, which allows e.g. DNS services to work.

Upgrade to v3.3.0 is necessary for using DIND with UDP services like DNS.