On 10 October 2012 15:35, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> Hi Ansis,
>
> On Wed, Oct 03, 2012 at 06:49:10PM -0700, Ansis Atteka wrote:
>> This patch allows conntrackd to open CT Netlink sockets into a given
>> network namespace. Channel sockets (e.g. UDP) would still be opened into
>> the same namespace where conntrackd was started.
>>
>> The only binary this patch affects is conntrackd. All other binaries (e.g.
>> conntrack, nfct) would still operate in the same namespace where they were
>> started.
>>
>> To make use of this patch:
>> 1. create a network namespace: "ip netns add the_ns"
>> 2. add "NetlinkNamespace /var/run/netns/the_ns" line to the conntrackd.conf
>> file inside General {...} section.
>
> I want to apply this, but user-space helpers got broken with this:
>
> [Thu Oct 11 00:31:13 2012] (pid=12400) [ERROR] could not switch to namespace: Invalid argument
>
> You can use conntrack-tools/doc/helper/conntrackd.conf as example.
>
> You also need to use a Linux kernel 3.6 to test this user-space helper
> feature, see: http://conntrack-tools.netfilter.org/manual.html#helpers
After a quick try to configure user-space helpers, I am seeing following error:
root@aatteka-virtual-machine:~# uname -r
3.6.0-030600-generic
root@aatteka-virtual-machine:~# nfct helper add rpc inet tcp
nfct v1.2.2: error: Invalid argument
root@aatteka-virtual-machine:~# nfct helper list
nfct v1.2.2: error: Invalid argument
gdb tells me that this is response on NFNL_MSG_CTHELPER_[GET|NEW]
messages. Am I missing something when registering user-space helpers?
Thanks,
Ansis
> --
> To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
