[Bug 1409] nft manpage makes confusing reference to logical operators

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Wed Apr 15 23:25:30 CEST 2020


Pablo Neira Ayuso <pablo at netfilter.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |ASSIGNED

--- Comment #1 from Pablo Neira Ayuso <pablo at netfilter.org> ---
(In reply to Matthew "Cheetah" Gabeler-Lee from comment #0)
> The nft manpage / docs say:
> > Expressions can be combined using binary, logical, relational and other types of
> > expressions to form complex or relational (match) expressions
> http://git.netfilter.org/nftables/tree/doc/nft.txt#n680
> However it's not clear if logical combinations are actually possible? 
> https://bugzilla.netfilter.org/show_bug.cgi?id=1202#c1 explicitly states
> that disjunctions are definitely not supported, so logical OR, and XOR are
> right out, and given that I'd say NAND almost certainly is too.  The only
> combining operator for matches is AND.
> Also, rummaging through the grammar file seems to confirm that there are
> only _bitwise_ operators.

Please, post examples of what you would like to see in place.

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