Re: does nft 'tcp option ... exists' work?

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Maciej Żenczykowski <zenczykowski@xxxxxxxxx> wrote:
> > You could try this:
> >
> > tcp option @34,8,8 == 34
> So this seems to mean @number(34),offset(8),length(8) == 34
> And I understand the idea, but don't understand where the two 8's are
> coming from.

Yes, its wrong, it should be 0,8 as you found out.

> Is this counting bits? bytes?


> Furthermore, I realized that really mangle postrouting 'reset tcp
> option fastopen' is a better solution to my particular problem.

Ah, yes, that will nop it out.

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