Re: LFS Paper on Secure Servers
Ken Moffat <[email protected]> Wed, 5 May 2004 15:08:13 +0100 (BST)
| Newsgroups | gmane.linux.lfs.security |
|---|---|
| Message-ID | <Pine.LNX.4.58.0405051505220.5377@ppg_penguin> |
On Wed, 5 May 2004, Tony Sequeira wrote: > On Tue, 04 May 2004 23:48:50 -0500, Bruce Dubbs wrote > > > > > Bob Morgan wrote: > > > > >In a somewhat related thought, having > > >a separate /boot partition, and commenting it out in /etc/fstab can > > >help a tiny bit to keep the kernel contents away from an attacker > > >(one can always mount it manually long enough to install a > replacement > > >kernel if need be - also related to the issue of monolithic vs > > modular). > > > > > > > > I had thought of that. The problem with that is that the klogd needs > > to > > be able to read the System Map. I don't know if there is a way to > have > > it read from another location or not. > > That's interesting. I have been playing with Gentoo, and by default > the /boot partition is not mounted automatically. I had a small > discussion about this in one of their forums, and was about to bring up > System.map, but then realised that I had no evidence that it was used > at anything but boot time. I didn't realise that klogd needed access > to it. > Anyone got any pointers to what klogd misses without access to System.map ? My firewall has had a separate, not-mounted, /boot for a long while and I've not noticed any problems. Ken -- das eine Mal als Tragödie, das andere Mal als Farce -- http://linuxfromscratch.org/mailman/listinfo/lfs-security FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page