Re: nfqueue library setup requires root

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On Wed, Feb 01, 2012 at 05:26:07PM +0100, U.Mutlu wrote:
> abirvalg@xxxxxxxxxxx wrote, On 12/29/11 15:00:
> >Hi,
> >I launched my application with CAP_NET_ADMIN capability, yet both nfq_unbind_pf and nfq_bind_pf produce an error.
> >When I setuid(0) no error is produced and everything works as expected.
> >Could you please confirm that Library setup operations require root.
> >Isn't it a bit misleading that libnetfilter_queue docu states that CAP_NET_ADMIN is required without mentioning root permissions.
> >Would it be possible to do Library Setup with only CAP_NET_ADMIN and without root priviliges in future versions?
> 
> On a host node I didn't need CAP_NET_ADMIN when starting it as root
> (ie. maybe on my system root already has that cap by default; would make sense).

Yes, root is fine. You should also get it running with CAP_NET_ADMIN.

> But on a VPS on the same host node I couldn't get it working yet.
> It always gives errno=111 (ECONNREFUSED; "Connection refused").

This has nothing to do with permissions (in that case you'll hit
-EPERM).

> Does yours work in a virtual machine, ie. on a VPS ?

By "virtual machine" you mean one linux container (lxc)?
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