606 lines
22 KiB
Plaintext
606 lines
22 KiB
Plaintext
From: Digestifier <Linux-Admin-Request@senator-bedfellow.mit.edu>
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To: Linux-Admin@senator-bedfellow.mit.edu
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Reply-To: Linux-Admin@senator-bedfellow.mit.edu
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Date: Thu, 13 Oct 94 15:14:12 EDT
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Subject: Linux-Admin Digest #188
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Linux-Admin Digest #188, Volume #2 Thu, 13 Oct 94 15:14:12 EDT
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Contents:
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Re: Mystery Chip...AMD (Marten Liebster)
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Re: Telnet & ftp freeze! (Trevor Lampre)
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Re: Please don't post security holess... (Matthew Donadio)
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Re: fsck during boot: already mounted (Harvey J. Stein)
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Re: New Adeptec SCSI not detected (Mark A. Horton KA4YBR)
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Accidentally 'bash' file permissions are made 000. Thus I am unable to (N B Venkateswarlu)
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Re: Please don't post security holess... (Matthew Dharm)
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Re: Extreme delays telnetting into linux box (David - Morris)
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Re: Has anyone gotten ftape to work? (Another Totoro)
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Re: Ftape works...Not yet (Another Totoro)
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Re: Security hole - has noone noticed so far? (Eberhard Moenkeberg)
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Re: Xfig (DAVID L. JOHNSON)
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Re: Security hole - has noone noticed so far? (Matthew Donadio)
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Re: Ethernet NE2000 clone installation problem (Donald Becker)
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Re: Security hole - has noone noticed so far? (Ralph Sims)
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Re: Security hole - has noone noticed so far? (Ralph Sims)
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----------------------------------------------------------------------------
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From: mmarten@panix.com (Marten Liebster)
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Crossposted-To: comp.sys.ibm.pc.hardware.systems,comp.os.linux.misc
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Subject: Re: Mystery Chip...AMD
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Date: 13 Oct 1994 12:22:57 -0400
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Gregory Urban (urban@cs.umbc.edu) wrote:
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: In article <37jjnd$9m6@panix2.panix.com>,
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: Marten Liebster <mmarten@panix.com> wrote:
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: >
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: >So when is AMD comming out with a 486dx4-120? :-)
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: >
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: >Marten
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: NO, NO, NO !!!!!!!!!!
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: Only Intel uses STUPID names for their chips. AMD will produce a DX3/120
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: (clock tripled, 40mhz external, 120mhz internal).
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Isn't a DX3 an IBM chip? If AMD used dx3 it would seem that they were cloning
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an IBM chip rather than the real Chip. I thought that dx3s are used in the
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blue lightning system? I am probably way off, but that is not anything new :)
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Marten
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--
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========================================
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Marten M. Liebster Please no flames for spelling,
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mmarten@panix.com I already know I can't spell!!
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------------------------------
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From: trevor@xanax.apana.org.au (Trevor Lampre)
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Crossposted-To: comp.os.linux.help,comp.os.linux.misc,comp.os.linux.development
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Subject: Re: Telnet & ftp freeze!
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Date: 11 Oct 1994 16:45:31 +0930
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In article <3714bd$1bn7@tornews.torolab.ibm.com>,
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Colin Beckmann <coling@ivory.torolab.ibm.com> wrote:
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>Ralph Sims (ralphs@halcyon.halcyon.com) wrote:
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>: root@jaguar.tigerden.com (System Administrator) writes:
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>
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>: >Trevor Lampre (trevor@xanax.apana.org.au) wrote:
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>
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>[stuff deleted]
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>: >for confirming what we've been seeing! I suggest we keep this thread
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>: >open and fill it with additional information until the problem gets the
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>: >attention it needs. I'm not a programmer, much less a kernel hacker, so
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>: >I can only voice frustration with the situation.
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>
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>: And what about those of us that DON'T see it? Basic setup is a
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>: dedicated PPP link on a 14.4 dialup, NET-3 stuff, ppd 2.1.2a,
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>: etc., with an InfoMagic/TransAmeritech CD-ROM combined install.
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>
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>: I move many megabytes of files around via FTP daily, and another
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>: many megs around with mosaic and lynx. Sendmail+IDA's been
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>: rock-solid.
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>
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>[stuff deleted]
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>
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>If your not seeing be thankful and provide your system configuration
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>so the experts can see whats working and whats not working
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>
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>I am NOT seeing th problem, Have a 14.4 modem using NET-3 pppd 2.2.2a with
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>slackware 1.2 , and kernel 1.1.30. I have downloaded 20 and 30 megs in a
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>single session via ftp and never had a problem. I regularly rlogin to
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>other sites, once again without problem
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>
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The problem is not with telneting or ftping out from the machine but with
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incoming connections. Not all daemons suffer from it. On my machine it has
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been telnet mostly, ftp rarely, sendmail 8.6.9 rarely, routed rarely. INN
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never has a problem even though it gets about 60M of news a day.
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Trevor Lampre
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------------------------------
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From: donadio@mxd120.rh.psu.edu (Matthew Donadio)
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Subject: Re: Please don't post security holess...
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Date: 10 Oct 1994 02:10:29 GMT
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Steve Kneizys (STEVO@acad.ursinus.edu) wrote:
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: If there was a security developers group, then the holes could
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: be emailed to them for evaluation so as not to publicize the hole
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: long before the fix. Or make a moderated comp.os.linux.security
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: group?
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Why? That's what comp.security.announce is for. The vast majority of
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software used under linux is not linux specific. The only real stuff
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that linux specific is in /etc or /sbin and a good chunk of that is
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generic unix software.
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--
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Beaker aka Matt Donadio | Life is short, --- __ o __~o __ o
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donadio@mxd120.rh.psu.edu | ride like ---- _`\<, _`\<, _`\<,
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--- Penn State Cycling ---| the wind. --- ( )/( ) ( )/( ) ( )/( )
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====================================URL: http://mxd120.rh.psu.edu/~donadio
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------------------------------
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Subject: Re: fsck during boot: already mounted
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From: hjstein@sunset.huji.ac.il (Harvey J. Stein)
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Date: 11 Oct 94 10:12:03
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In article <376j1e$6ga@geraldo.cc.utexas.edu>
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slc@PROBLEM_WITH_INEWS_DOMAIN_FILE (Scott L. Crutchfield) writes:
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I am running Yggdrasil P&P (summer 1994). It used to check the
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filesystems every once in a while when during startup, even if they
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were clean ("maximal mount-count reached"). Now it always complains
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that the partitions are already mounted and it's aborting the checks.
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I always shut down with "halt". I don't think I did anything to
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/etc/rc or /etc/rc.local, but it's been a while so I can't be sure.
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If you recompiled the kernel, you need to run rdev to modify the boot
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image so that it mounts the root read-only.
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Also, how about adding a .signature with your email address, since
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your news post doesn't include a proper email address for you.
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--
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Harvey J. Stein
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Berger Financial Research
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hjstein@math.huji.ac.il
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------------------------------
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From: mah@ka4ybr.com (Mark A. Horton KA4YBR)
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Subject: Re: New Adeptec SCSI not detected
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Date: Mon, 10 Oct 1994 01:41:31 GMT
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Mark Curtis (leadfoot@leftlane) wrote:
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: I can't change it. I have other hardware that is using that port
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: address. My MMU-401 MIDI card is using 330 and IRQ 2. All the
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: MIDI software and games using general MIDI all assume 330. If I move
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: the MIDI card to some other address and then move the 1542CF to
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: 330 I'll have MIDI software sending strange stuff to my SCSI adapter.
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: Some of the MIDI software can be configured, but much of it just
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: assumes 330, the factory default for MIDI cards.
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: The SCSI controller supports 130, 134, 230, 234, 330, and 334. I
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: have the Adaptec SCSI bios at the factory default address, but I
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: did move the port base to 230. In DOS/Windows this all works fine.
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: I'd try hacking on the driver, but I have to get the system loaded
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: before I can do that. I can't load the system because all my
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: disks, CDROM, and tape drive all run off the SCSI controller.
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: I'm Stuck!
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Unglue yourself! ;)
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Use port address 0x334 for the Adaptec.
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According to the code in /usr/src/linux/drivers/scsi/aha1542.c :
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(always the best source of documentation!)
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/* The adaptec can be configured for quite a number of addresses, but
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I generally do not want the card poking around at random. We allow
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two addresses - this allows people to use the Adaptec with a Midi
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card, which also used 0x330 */
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static unsigned int bases[]={0x330, 0x334};
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Hope this helps out.
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-- Mark
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--
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"Linux! Guerrilla UNIX Development Venimus, Vidimus, Dolavimus."
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============================================================
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Mark A. Horton ka4ybr mah@ka4ybr.atlanta.com
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P.O. Box 747 Decatur GA US 30031-0747 mah@ka4ybr.atl.ga.us
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+1.404.371.0291 : 33 45 31 N / 084 16 59 W mah@ka4ybr.com
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------------------------------
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From: venkat@scs.leeds.ac.uk (N B Venkateswarlu)
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Subject: Accidentally 'bash' file permissions are made 000. Thus I am unable to
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Date: Wed, 12 Oct 1994 09:23:49 +0100 (BST)
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Hi,
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While I am compressing executables with 'gexe', I have changed permissions
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of 'bash' file (shell executable) as 000 such that it will not be compressed
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by 'gexe'. Just after compressing all binaries, without rechanging the
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permissions of 'bash', I have logged off the system. Now, I am unable to login.
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It says 'No-Shell' is vailable (obvious). I tried to login from custom made
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boot floopy and also boot/root floppies. But could not succeed. I am using
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slackware version. Any ideas how I have to tackle this.
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Thanks in advance.
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Venkat
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------------------------------
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From: mdharm@muddcs.cs.hmc.edu (Matthew Dharm)
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Subject: Re: Please don't post security holess...
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Date: 10 Oct 1994 01:58:33 GMT
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I think that the one reason that we must keep posting security holes
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is so that the "good guys" know about them.
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I'll admit, right now I do not run Linux (but I hope to be in a couple
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of days).
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But, I don't think that changes the fact that I have to be concerned
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about security. I have allready recorded several attempted
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"break-ins" for my system. Some people just don't expect that I've
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set up FTP properly...
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But, consider how a security hole is discovered. Someone, who is most
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likely trying to break into a system, discovers it. I don't know how
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they look for them, or how they dream up how to use them, but they do.
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This means: HACKERS ARE THE FIRST TO KNOW ABOUT A HOLE!
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Naturally, they don't want us (the sysadmins, the "good guys" in the
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white hats) to know about it. If we did, they would have one less
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tool with which to break into our systems.
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If a hacker is the first to know about a hole in my system, you better
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believe that I want to be the second. The third person I want to know
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is the guy who is going to give me the fix. Since I don't know person
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1 and 3, I have to rely on groups like this one to provide me with the
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information I need.
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This is gonna cause some flames, but I'll say it anyway...
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-->> We have a responsibility as sysadmins to help each other plug
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these holes. If we know of a security hole and don't report it,
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aren't we a guilty as those who spread word of the hole so people can
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crash systems?
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These are just my thoughts. Wish me luck on installing Linux on my
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box.
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Matthew Dharm
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mdharm@hmc.edu
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P.S. -- Is there a distribution with a patch for the smail bug?
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------------------------------
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From: dwm@shell.portal.com (David - Morris)
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Subject: Re: Extreme delays telnetting into linux box
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Date: 12 Oct 1994 04:39:47 GMT
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barkerc@GRAPHICS.CS.NYU.EDU (Chris Barker) writes:
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>After swithching to Yggdrasil Fall 94 Kernel 1.1.47 I have experienced extreme
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>delays when telnetting into my box from my PC over ethernet. Upto a minute of
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I have conducted an experiment with TELNET from my LAN PC (running
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IBM TCP/IP-DOS and my LINUX machine. When the LAN PC IP address
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was unknown to LINUX it took a *LONG* time to get the LOGIN
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prompt. I added the IP address to /etc/hosts and bingo, nice
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and quick.
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YGGDRASIL F/94 uses INETD to launch in.telnetd. I suspect that
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INETD attemps to resolve the IP address to a host name for
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logging or whatever and hence one waits for all the DNS trials,
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etc. before the connection to whatever INETD service is requested
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procedes. Could be telnetd, or perhaps *both*. Might be that
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Ygg/fall/94 added this reverse resolution?
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Anyway, make sure your LAN PC has a host name known to your
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LINUX box *and* the resolution order (DNS or etc/hosts first)
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matches where the name is defined.
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I had no problem with PINGs so perhaps this is unrelated.
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Dave Morris
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------------------------------
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From: kkfong@netcom.com (Another Totoro)
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Subject: Re: Has anyone gotten ftape to work?
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Date: Mon, 10 Oct 1994 01:23:37 GMT
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[all stuff deleted]
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I don't know for sure if my setup works, but I manage to do:
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mt -f /dev/nftape rewind
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mt -f /dev/nftape reten
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mt -f /dev/nftape erase
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tar cvf /dev/nftape files
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tar df /dev/nftape files
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And I manage to do this with kernel 1.0.9, gcc 2.4.5, ftape-0.9.10.a.tar.gz,
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and modutils-0.99.15.tgz, and whatever libraries and linker I have (I can't
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tell the version. They are from Slackware 1.1.0)
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I have to admit that I had a lot of problem with /dev/ftape (which is rft0).
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There were a lot of warning with rewind, reten, and erase command. The
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warning looks something like this:
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fdc-io.c (fdc command) fdc-write timeout, retry
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Personally I have some questions about the ftape thing. First, what are the
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valid options for mt besides the above mentioned ones? Also, what's the
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differences with /dev/ftape and /dev/nftape (/dev/rft0 & /dev/nrft0
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respectively). I also see quite a few scripts on sunsite under system/backup
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directory. Which one is easier for newbie like me?
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BTW, I am using Conner TapeStor 250 with Teac DualDrive on a generic floppy
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controller. Is there any pitfall I have to look out for? I did remove jumper
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6 from the tape drive as the manual suggested.
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Thanks for your input.
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------------------------------
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From: kkfong@netcom.com (Another Totoro)
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Subject: Re: Ftape works...Not yet
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Date: Mon, 10 Oct 1994 01:29:28 GMT
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May I ask which version of modutil are you using now? With 0.99.15 modutil,
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it will complain whenever I load up ftape.o (something like request_dma()
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not defined or something). And when I tried to compile modules.tar.gz (I
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suppose this is the newest one), it complain about something that's undefined
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and bomb out with the make process (making insmod).
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I did manage to make ftape 0.9.10a and modutil 0.9.15 work together.
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BTW, I am running kernel 1.0.9, gcc 2.4.5, and the version of ld that doesn't
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accept the -qmagic flag.
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Dennis Flaherty (dennisf@denix.elk.miles.com) wrote:
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: In article <1994Oct3.094519.32836@cobra.uni.edu>,
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: Jonathan Williams <williamj@cs.uni.edu> wrote:
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: >
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: > Well, I thought I had ftape working, but I guess I was wrong. I'm running
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: > Linux kernel version 1.0.9 and ftape version 1.13b patched for the conner bug
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: > and compiled with the -DCONNER_BUG flag.
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: Glad you got that working. Now you can use the tapes you just formatted
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: with Conner's buggy tape formatting software.
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------------------------------
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Date: Tue, 11 Oct 1994 22:25:43 +0100
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From: Eberhard_Moenkeberg@p27.rollo.central.de (Eberhard Moenkeberg)
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Subject: Re: Security hole - has noone noticed so far?
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Hello Shawn D. McPeek and all others,
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on 10.10.94 Shawn D. McPeek wrote to All in USENET.COMP.OS.LINUX.ADMIN:
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SDM> : Scanning the CERT archives, the
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SDM> : list is split about halfway betweeen local-only holes and remote
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SDM> : holes.
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SDM>
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SDM> Where can one find these CERT archives?
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Originally, at ftp.cert.org. Mirrored for example at ftp.gwdg.de:/pub/cert.
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Greetings ... Eberhard
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------------------------------
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From: dlj0@Lehigh.EDU (DAVID L. JOHNSON)
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Crossposted-To: comp.windows.x,comp.windows.x.i386unix
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Subject: Re: Xfig
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Date: 10 Oct 1994 01:54:48 GMT
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In article <1994Oct7.183040.8963@ivax>, icqo409@iupui.edu (jon m) writes:
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>In article <36tg1pE8uq@uni-erlangen.de>,
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>Uwe Bonnes <bon@lte.e-technik.uni-erlangen.de> wrote:
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>
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>>Look at the messages of the last time. This has been answered many times
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>>before:
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>>There's a cyclic reference in the application-defaults
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>NOW. why does just about EVERY blasted X program have this in their
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>app-defaults!!!!!!!!!!!!!! (a cyclic reference)
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>
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That has not been my experience. It wasn't mine for Xfig, but then I read
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my defaults files and set them up before I run the program.
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>>--
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>>Uwe Bonnes bon@lte.e-technik.uni-erlangen.de
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>
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>jon
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>--
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>jon madison
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>oit consultant in training
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>"A year spent in artificial intelligence is enough to make one believe
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>in God." -anonymous, from a fortune program on one of my accounts. :)
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--
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David L. Johnson dlj0@lehigh.edu or
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Department of Mathematics dlj0@chern.math.lehigh.edu
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Lehigh University
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14 E. Packer Avenue (610) 758-3759
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Bethlehem, PA 18015-3174 (610) 828-3708
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------------------------------
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From: donadio@mxd120.rh.psu.edu (Matthew Donadio)
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Subject: Re: Security hole - has noone noticed so far?
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Date: 10 Oct 1994 02:16:42 GMT
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Lee Silverman (lee@netspace.students.brown.edu) wrote:
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: There's a good one! A sendmail bug was just reported a few months
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: ago, adding yet another to the DOZENS of bugs reported about sendmail.
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: Most of the bugs reported in sendmail give *outside* users access to
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: your machine; this smail bug was only available to users who have
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What version of sendmail are you talking about? The last few holes
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that I remmeber reading about have been in vendor verions or in 5.6.7.
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Berkeley 8.6.? has been pretty secure.
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: already logged in. Big difference. Sendmail (The standard one,
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: anyway, 8.6.9) arguably the single hardest unix package to configure
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: correctly. Smail is a damn good program, and I use it all the time.
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Huh? The m4 macros make 8.6.9 pretty easy to set up. You just have
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to have a bit of knowledge about the net you are on or you could just
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have it forward all mail to a smarter host.
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|
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--
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Beaker aka Matt Donadio | Life is short, --- __ o __~o __ o
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donadio@mxd120.rh.psu.edu | ride like ---- _`\<, _`\<, _`\<,
|
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--- Penn State Cycling ---| the wind. --- ( )/( ) ( )/( ) ( )/( )
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====================================URL: http://mxd120.rh.psu.edu/~donadio
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------------------------------
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From: becker@cesdis.gsfc.nasa.gov (Donald Becker)
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Crossposted-To: comp.os.linux.help
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Subject: Re: Ethernet NE2000 clone installation problem
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Date: 9 Oct 1994 22:16:29 -0400
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In article <1994Oct7.185452.2361@nosc.mil>,
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Malcolm B. Sylvester <sylveste@nosc.mil> wrote:
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>In article <edwardmCwyy9w.4z8@netcom.com> edwardm@netcom.com (Edward F. Munro) writes:
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>>Herbert Rosmanith (herp@wildsau.idv.uni-linz.ac.at) wrote:
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>>: Aka Zodiac (mcsdc2smt@zippy.dct.ac.uk) wrote:
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>>: : In article <34k7df$2va@mis.cpc.ku.ac.th>, oanek@ku.ac.th (Anek Vorapanya) writes:
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>>: : > Dear all,
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>>[snip]
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>>: : > IP Protocols: ICMP, UDP, TCP
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>>: : > PPP: version 0.2.7 (4 channels) NET02D OPTIMIZE_FLAGS
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>>: : > TCP compression code copyright 1989 Regents of the University of California
|
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>>: : > PPP line discipline registered.
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>>: : > SLIP: version 0.7.5 (4 channels)
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>>: : > CSLIP: code copyright 1989 Regents of the University of California
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>>: : > Net2Debugged PLIP 1.01 (from plip.c:v0.15 for 0.99pl12+, 8/11/93)
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>>: : > plip1: configured for parallel port at 0x378, IRQ 7.
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>>: : > NE*000 ethercard probe at 0x300: 00 00 e8 c1 15 0a
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>>: : > eth0: NE2000 found at 0x300, using IRQ 5.
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>>: : > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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>>: : > * Autoprobing found the first (and my only) Ethernet card. Fine..
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>>
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>>: : yes....but merely DETECTING THE CARD Does *NOT* mean it is fine...it just means
|
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>>: : it has found the card...
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>>
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>>
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>>: In this case, it *DOES INDEED* mean the card is fine.
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>>
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>>
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>>: : > ne.c:v0.99-15k 3/3/94 Donald Becker (becker@super.org)
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>>: : > Linux version 1.0.9 (root@fuzzy) #3 Fri Jul 8 21:01:56 CDT 1994
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>>: : > ...
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>>: : >
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|
>>: : > Sep 7 10:48:44 init[1]: Entering runlevel: 5
|
|
>>: : > Going multiuser...
|
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>>
|
|
>>======> : : > SIOCADDRT: Network is unreachable <=====
|
|
>>[snip]
|
|
>>: : > eth0 Link encap UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
|
|
>>: : > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
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>>
|
|
>>I had this same problem, the answer for me was to upgrade ifconfig.
|
|
>>After all, the kernel probe found the currect HWaddr, it only makes sense
|
|
>>that there is a problem with ifconfig.
|
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>>
|
|
>>BTW, I too was using a NE2000 clone.
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>>
|
|
>>edwardm@netcom.com
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>>
|
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>
|
|
>I too have had this same problem with a 3Com 503 card. If anyone comes
|
|
>up with the solution I would appreciate it very much if you would info
|
|
>me also.
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|
|
It's the 'ifconfig' program that's broken, not the driver.
|
|
The 'ifconfig' program only prints the correct information with some
|
|
kernels. It's no big deal because, except for the misleading output, it
|
|
still sets the interface up correctly.
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|
|
(Hasn't this already been posted about a dozen times?)
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|
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--
|
|
Donald Becker becker@cesdis.gsfc.nasa.gov
|
|
USRA-CESDIS, Center of Excellence in Space Data and Information Sciences.
|
|
Code 930.5, Goddard Space Flight Center, Greenbelt, MD. 20771
|
|
301-286-0882 http://cesdis.gsfc.nasa.gov/pub/people/becker/whoiam.html
|
|
|
|
------------------------------
|
|
|
|
From: ralphs@halcyon.halcyon.com (Ralph Sims)
|
|
Subject: Re: Security hole - has noone noticed so far?
|
|
Date: 10 Oct 1994 01:56:16 GMT
|
|
|
|
barr@pop.psu.edu (David Barr) writes:
|
|
|
|
>>There's a good one! A sendmail bug was just reported a few months
|
|
>>ago, adding yet another to the DOZENS of bugs reported about sendmail.
|
|
|
|
>Yes, but those were all fixed. There are no outstanding security
|
|
>bugs in sendmail, to my knowledge.
|
|
|
|
>>Big difference. Sendmail (The standard one,
|
|
>>anyway, 8.6.9) arguably the single hardest unix package to configure
|
|
>>correctly.
|
|
|
|
>Okay, I'll argue with you. I found smail to be a total pain to install.
|
|
>The documentation sucks, and the config file options aren't very obvious.
|
|
>Sendmail's documentation is much more complete.
|
|
|
|
Most of the "I-hates-sendmail" seems to be centered around the 8.6.9
|
|
release. I've found Sendmail+IDA to be much easier, both in its
|
|
installation and config. Plus, Neil Rickert's rather fast on the
|
|
keyboard when it comes to plugging any holes. Not a bad piece
|
|
of work, especially if you're routing mail in and out using
|
|
disparite transport mechanisms.
|
|
|
|
|
|
------------------------------
|
|
|
|
From: ralphs@halcyon.halcyon.com (Ralph Sims)
|
|
Subject: Re: Security hole - has noone noticed so far?
|
|
Date: 10 Oct 1994 01:56:45 GMT
|
|
|
|
smcpeek@isr0830.urh.uiuc.edu (Shawn D. McPeek) writes:
|
|
|
|
>David Barr (barr@pop.psu.edu) wrote:
|
|
|
|
>: recently require local access. Scanning the CERT archives, the
|
|
>: list is split about halfway betweeen local-only holes and remote
|
|
>: holes.
|
|
|
|
>Where can one find these CERT archives?
|
|
|
|
Ummm... ftp.cert.org for a start.
|
|
|
|
|
|
------------------------------
|
|
|
|
|
|
** FOR YOUR REFERENCE **
|
|
|
|
The service address, to which questions about the list itself and requests
|
|
to be added to or deleted from it should be directed, is:
|
|
|
|
Internet: Linux-Admin-Request@NEWS-DIGESTS.MIT.EDU
|
|
|
|
You can send mail to the entire list (and comp.os.linux.admin) via:
|
|
|
|
Internet: Linux-Admin@NEWS-DIGESTS.MIT.EDU
|
|
|
|
Linux may be obtained via one of these FTP sites:
|
|
nic.funet.fi pub/OS/Linux
|
|
tsx-11.mit.edu pub/linux
|
|
sunsite.unc.edu pub/Linux
|
|
|
|
End of Linux-Admin Digest
|
|
******************************
|