From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zombie.ncsc.mil (zombie.ncsc.mil [144.51.88.131]) by tarius.tycho.ncsc.mil (8.13.1/8.13.1) with ESMTP id lBEJPkQM009029 for ; Fri, 14 Dec 2007 14:25:46 -0500 Received: from exchange.columbia.tresys.com (jazzdrum.ncsc.mil [144.51.5.7]) by zombie.ncsc.mil (8.12.10/8.12.10) with SMTP id lBEJPf0k013232 for ; Fri, 14 Dec 2007 19:25:41 GMT Subject: Re: Network flow controls and subj/obj ordering From: "Christopher J. PeBenito" To: Paul Moore Cc: selinux@tycho.nsa.gov In-Reply-To: <200712131045.57681.paul.moore@hp.com> References: <200712111202.20074.paul.moore@hp.com> <200712121518.15454.paul.moore@hp.com> <1197555128.12626.205.camel@gorn.columbia.tresys.com> <200712131045.57681.paul.moore@hp.com> Content-Type: text/plain Date: Fri, 14 Dec 2007 14:25:12 -0500 Message-Id: <1197660312.12626.227.camel@gorn> Mime-Version: 1.0 Sender: owner-selinux@tycho.nsa.gov List-Id: selinux@tycho.nsa.gov On Thu, 2007-12-13 at 10:45 -0500, Paul Moore wrote: > On Thursday 13 December 2007 9:12:08 am Christopher J. PeBenito wrote: > > On Wed, 2007-12-12 at 15:18 -0500, Paul Moore wrote: > > > Assuming labeled networking is enabled, a forwarded packet would > > > hit four checks: > > > > > > # inbound checks > > > allow netif_t peer_t:peer ingress; > > > allow netnode_t peer_t:peer ingress; > > > # outbound checks > > > allow netif_t peer_t:peer egress; > > > allow netnode_t peer_t:peer egress; > > > > This helps. But this seems to be for the old networking, how does it > > work with the secmark stuff? > > It doesn't work with the SECMARK stuff, or rather it works in parallel > with the SECMARK stuff. We've debated integrating the peer labeling > protocols (labeled IPsec, NetLabel) with the SECMARK mechanism many > times but in the end we always end up deciding it doesn't make sense. So, with compat_net off, you'd still need the above policy, not the packet type against the peer type?, e.g., not this: allow ssh_client_packet_t peer_t:peer egress; -- Chris PeBenito Tresys Technology, LLC (410) 290-1411 x150 -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message.