From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: [nftables] sets update concatenation?
Date: Sat, 26 Sep 2020 20:21:45 +0200
Message-ID: <20200926182145.GA3628@salvia>
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On Fri, Sep 25, 2020 at 07:10:00PM +0000, ѽ҉ᶬḳ℠ wrote:
> Been trying to concatenate sets update:
> 
> tcp dport @b_t update @b_sa4 { ip saddr } drop;
> tcp dport @b_t update @b_sa6 { ip6 saddr } drop;
> 
> with:
> 
> tcp dport @b_t update @b_sa4 . @b_sa4 { ip saddr . ip6 saddr } drop;

What's the intention here?

> but that did not work out. Is somehow possible to concatenate sets update?

Yes, you can do:

tcp dport @b_t update @b_sa4 { ip saddr . ip6 saddr } drop

You can update one single set at a time. Not sure what you expect from
this concatenating sets instead of keys.