RE: Possible nftables U32 equivalent to read packet's data contents

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Yes, that is correct.  The first byte of the payload needs to be read not a field in a the protocol defined header.. 

>OK, so it's just an arbitrary byte. Not anything in a standard header that needs to be matched.

>I'm asking because we could add the protocol definition for what you need, so we don't need to use raw expressions.

Thanks,
Raul
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