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From: Daniel J Walsh <dwalsh@redhat.com>
To: "Benedict, Phillip M" <phillip.m.benedict@lmco.com>
Cc: "selinux@tycho.nsa.gov" <selinux@tycho.nsa.gov>
Subject: Re: MLS telnet question
Date: Tue, 13 Apr 2010 11:21:22 -0400	[thread overview]
Message-ID: <4BC48BF2.4050603@redhat.com> (raw)
In-Reply-To: <6235CF4DC66FD5478F0E350E17C202FF251F2BB146@HVXMSP3.us.lmco.com>

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On 04/09/2010 08:02 AM, Benedict, Phillip M wrote:
> 
> Hello,
> 
> I am trying to come to a solution regarding the use of telnet on our MLS system. ( I know, ... the decision to use it was made above me ) . :(
> 
> What we have is a RHEL 5.3 system with the RedHat MLS policy installed.
> The system has multiple physical NICs attached to different networks.
> Each network is designated for it's own sensitivity level. ( so we might have one network for s1:c20, one for s2:c40 etc...)
> User accounts are created with sensitivity labeling via semange. ( so we might have: user1 with s1:c20, and user2 with s2:c40 etc... )
> The network does not carry any cipso data for evaluation by my server, so I don't think I can use netlabel.
> 
> Questions:
> If I use IPTables/SECMARK to apply sensitivity labels to the packets as they come into the system, will xinetd spawn the telnet session with a matching sensitivity?  ( currently the telnet sessions are spawned at SystemLow-SystemHigh )
I believe it should, and you should report a bug if it does not.
> If telnet is spawned with the appropriate sensitivity, will SELinux disallow a users login who do not have  a matching sensitivity?
> 
Yes.
> 
> Thanks,
> Mike Benedict
> 
> 
I
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  reply	other threads:[~2010-04-13 15:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-09 12:02 MLS telnet question Benedict, Phillip M
2010-04-13 15:21 ` Daniel J Walsh [this message]
2010-04-13 16:18 ` Stephen Smalley
2010-04-13 16:42 ` Michal Svoboda
2010-04-13 21:54   ` Paul Moore
2010-04-14 12:23     ` Benedict, Phillip M
2010-04-14 13:04       ` Michal Svoboda
2010-04-14 14:30       ` Paul Moore
2010-04-14 17:34         ` Benedict, Phillip M
2010-04-14 18:33           ` Paul Moore

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