Re: Conntrack insertion race conditions -- any workarounds?

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Kyle Larose <kyle@xxxxxxxxxxxx> wrote:
> Basically, I'm running into an issue within conntrack whereby two
> packets with the same connection tuple race to enter the table. The
> loser is dropped. I confirmed that I was hitting this condition by
> checking the conntrack stats, which show "insert_failed" and "drop"
> increasing every time the condition occurs. The counters do not
> increase otherwise.

Can you queue before conntrack, i.e. in raw prerouting or output?



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