Messages in this thread | | | Date | Tue, 27 Jul 2021 23:10:29 +0200 | From | Pablo Neira Ayuso <> | Subject | Re: [PATCH] netfilter: xt_NFLOG: allow 128 character log prefixes |
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On Tue, Jul 27, 2021 at 03:06:05PM -0500, Alex Forster wrote: > (And again, this time as plain-text...) > > > Why do you need to make the two consistent? iptables NFLOG prefix > > length is a subset of nftables log action, this is sufficient for the > > iptables-nft layer. I might be missing the use-case on your side, > > could you please elaborate? > > We use the nflog prefix space to attach various bits of metadata to > iptables and nftables rules that are dynamically generated and > installed on our edge. 63 printable chars is a bit too tight to fit > everything that we need, so we're running this patch internally and > are looking to upstream it.
It should be possible to update iptables-nft to use nft_log from userspace (instead of xt_LOG) which removes this limitation, there is no need for a kernel upgrade.
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