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Groups > linux.kernel > #1572359
| From | Pablo Neira Ayuso <pablo@netfilter.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH nf-next v2] netfilter: allow logging from non-init namespaces |
| Date | 2017-02-02 14:30 +0100 |
| Message-ID | <t6pCy-4Bc-33@gated-at.bofh.it> (permalink) |
| References | <t5D4S-7sP-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jan 31, 2017 at 10:30:06AM +0100, Michal Kubecek wrote:
> Commit 69b34fb996b2 ("netfilter: xt_LOG: add net namespace support for
> xt_LOG") disabled logging packets using the LOG target from non-init
> namespaces. The motivation was to prevent containers from flooding
> kernel log of the host. The plan was to keep it that way until syslog
> namespace implementation allows containers to log in a safe way.
>
> However, the work on syslog namespace seems to have hit a dead end
> somewhere in 2013 and there are users who want to use xt_LOG in all
> network namespaces. This patch allows to do so by setting
>
> /proc/sys/net/netfilter/nf_log_all_netns
>
> to a nonzero value. This sysctl is only accessible from init_net so that
> one cannot switch the behaviour from inside a container.
Applied, thanks Michal!
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[PATCH nf-next v2] netfilter: allow logging from non-init namespaces Michal Kubecek <mkubecek@suse.cz> - 2017-01-31 10:40 +0100 Re: [PATCH nf-next v2] netfilter: allow logging from non-init namespaces Pablo Neira Ayuso <pablo@netfilter.org> - 2017-02-02 14:30 +0100
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