On Mon, 9 May 2005, Kristian Sørensen wrote:
> On Monday 09 May 2005 19:54, Chris Friesen wrote:
> > Kristian Sørensen wrote:
> > > By "secure IPC" is meaning a
> > > security mechanism that provides a more fine granularity of specifying
> > > who are allowed to send (or receive) messages... and maby also a way to
> > > resolve the question of "Can I trust the message I received?"
> >
> > How about unix sockets?
> > --you can have sockets in the filesystem namespace with regular file
> > permissions to control who is allowed to send messages to particular
> > addresses
> This is the same problem: Basing access control on user and group is not
> enough - especially as the root-user can overrule any access control
> specified by the normal DAC file attributes.
You want MAC, in other words.
SELinux probably does what you want with fine grained MAC for Unix domain
networking and SO_PEERSEC for peer authentication.
- James
--
James Morris
<[email protected]>
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