Date: Tue, 15 May 2001 00:21:24 +0200 From: Dominic Parry <dom@dude.dsl.ru.ac.za> To: freebsd-security@freebsd.org Subject: Re: nfs mounts / su / yp Message-ID: <20010515002124.A647@dude.dsl.ru.ac.za> In-Reply-To: <Pine.BSF.4.21.0105141358540.43455-100000@mail.wlcg.com>; from rsimmons@wlcg.com on Mon, May 14, 2001 at 02:02:15PM -0400 References: <3B0015E5.2E1AED1B@centtech.com> <Pine.BSF.4.21.0105141358540.43455-100000@mail.wlcg.com>
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Just a thought, you could in your bios set password and then boot only of the hdd. That way no one could boot of a stiffy etc. On Mon 2001-05-14 (14:02), Rob Simmons wrote: //> -----BEGIN PGP SIGNED MESSAGE----- //> Hash: RIPEMD160 //> //> You could set the console to insecure in /etc/ttys. That way single user //> mode will ask for the root password. You still can't prevent someone from //> booting with their own floppy disk and making changes that way. I think //> the only way to prevent that is to use an encrypted filesystem of some //> sort. //> //> Robert Simmons //> Systems Administrator //> http://www.wlcg.com/ //> //> On Mon, 14 May 2001, Eric Anderson wrote: //> //> > If a user reboots their machine, goes into single user mode, and changes //> > the local root password (and adds their username into the wheel group of //> > course), then boots into multiuser mode, they can su to root, then su to //> > any NIS user they desire, and do malicious things as that user. su'ing //> > from root to any other user never asks for a password, so login.conf //> > isn't used (right?).. //> -----BEGIN PGP SIGNATURE----- //> Version: GnuPG v1.0.5 (FreeBSD) //> Comment: For info see http://www.gnupg.org //> //> iD8DBQE7AB2qv8Bofna59hYRA0ebAKCQ9R1wLoemlWAuEdplqcSMcY12IQCfVH0B //> 8SkJHNs8J3aEYZ8dk27La2k= //> =Qb9E //> -----END PGP SIGNATURE----- //> //> //> //> To Unsubscribe: send mail to majordomo@FreeBSD.org //> with "unsubscribe freebsd-security" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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