# Re: \[PATCHSET v2\] netfilter, cgroup: implement xt\_cgroup2 match

- From: Pablo Neira Ayuso \<hidden\>
- Date: 2015-11-20 19:57:45 
- List: netdev
- Page: https://ratatoskr.run/netdev/2015/11/4625398
- Thread: https://ratatoskr.run/netdev/2015/11/4624449/t.md

```text
On Fri, Nov 20, 2015 at 08:56:25PM +0100, Pablo Neira Ayuso wrote:
> Regarding #7, I have a couple two concerns:
> 
> 1) cgroup currently doesn't work the way users expect, ie. to perform any
>    reasonable firewalling. Since this relies on early demux, only a
>    limited number of sockets get access to the cgroup info.

Ops sorry, I forgot to indicate that I'm refering to the INPUT chain.

> 2) We have traditionally rejected match2 and target2 extensions. I
>    guess you can accomodate the new cgroup code through the revision
>    iptables infrastructure, so we still use the cgroup match.
> 
> Let me know, thanks.
```