Article View: comp.security.misc
Article #645Re: IBM password
From: Massimo Cotrozzi
Date: Wed, 30 Sep 1992 16:50
Date: Wed, 30 Sep 1992 16:50
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jason@coombs.anu.edu.au (jason..) writes: >cotrozzi@ghost.dsi.unimi.it (Massimo Cotrozzi) writes: >>bill@chaos.cs.umn.edu ( Hari Seldon psychohistorian ) writes: >>>In <BvAv1r.M8C@csugrad.cs.vt.edu> rlee@csugrad.cs.vt.edu (Richard Lee) writes: >>>>Does anyone know of a program that puts a password program in the config.sys and >>>>the boot sector of an IBM PC? I know of many that it's in the autoexec.bat >>>>but that is almost laughable. >>>drdos 6 can provide what you want >>If you don't mind for people booting your PC with MSDOS 5.0, >>editing the disk and changing the line in config.sys that says >>DEVICE=C:\DRDOS\LOGIN.EXE to something like >>REM CE=C:\DRDOS\LOGIN.EXE >>and then boot your computer again. >>You could put a BIOS password but then if someone takes the battery out you're done >>again. >>There's no way to protect a PC from use by unauthorized users .. >>( I am not talking just for DOS, for UNIX too . Think about it !!!) >>>bill pociengel >>>-- >>>llbi locgeenpi " i'm a little confused right now" >I believe you can encrypt the contents of your harddrive when you use superstor >which is supplied with DR-DOS 6. This is as well as encrypting certain >directories (logical drives?) to prevent access to them. Hence, you boot >of a bootable dos disk .. grab your copy of norton's and proceed to examine >junk (hopefully) .. There are probably ways around it, but it seems as secure >as you could hope to get for whatever the cost of dr-dos is .. Yes but when you SSTOR your hard disk you have a little part of it non-compressed because the dos will not read the compressed " partition " . So you have a DCONFIG.SYS which chains the original config.sys where is placed the line DEVICE=C:\DRDOS\LOGIN.EXE. So if you just delete the chain line .... Massimo -- -------------------------------------------------------------------------- ! /|/| /| \ / ! Massimo Cotrozzi Computer Science Dept. Milan Italy ! ! / | /-| \ ! cotrozzi@ghost.dsi.unimi.it ! !/ |/ | / \ ! massimo@cdc835.cdc.polimi.it !
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Newsgroups: comp.security.misc Path: arc1-ca.pugleaf.net!sparky!uunet!caen!batcomputer!ghost.dsi.unimi.it!cotrozzi From: cotrozzi@ghost.dsi.unimi.it (Massimo Cotrozzi) Subject: Re: IBM password References: <BvAv1r.M8C@csugrad.cs.vt.edu> <bill.717738277@chaos.cs.umn.edu> <1992Sep29.095334.20666@ghost.dsi.unimi.it> <jason.717775899@coombs> Organization: Computer Science Dep. - Milan University Date: Wed, 30 Sep 1992 16:50:38 GMT Message-ID: <1992Sep30.165038.4862@ghost.dsi.unimi.it> Lines: 39