[Bug 1766] nfqueue randomly drops packets with same tuple

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Sun Sep 1 22:40:54 CEST 2024


https://bugzilla.netfilter.org/show_bug.cgi?id=1766

--- Comment #5 from Antonio Ojea <antonio.ojea.garcia at gmail.com> ---

The nftables rule does not detect the two packets from the same tuple as the
same connection

> ct state established,related accept


So, it seems the problem is that the same tuple gets DNATed to a different
address for each packet, but there is only one conntrack entry, so the return
packet is not able to be handled and is discarded

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