[1820] in linux-security and linux-alert archive
[linux-security] Re: Linux DoS attack through autoprobing
daemon@ATHENA.MIT.EDU (Steve Thompson)
Fri Jun 5 18:35:06 1998
To: linux-security@redhat.com
In-Reply-To: <Pine.ULT.3.93.980604232245.2253A-100000@ultrix6.cs.csubak.edu>; from Dave on Thu, Jun 04, 1998 at 11:46:35PM -0700
Date: Fri, 05 Jun 1998 12:43:38 -0400
From: Steve Thompson <stevet@myofb.org>
Resent-From: linux-security@redhat.com
Reply-To: linux-security@redhat.com
Quoting Dave (dgriffi@ultrix6.cs.csubak.edu):
> There is a rather annoying problem related to this. I've experienced bad
> reactions between my Adaptec aha-2940uw SCSI controller and zipdrive.
> When the driver finds a bad sector on a zipdisk, the kernel locks,
If this is a worry, you should be able to set the Error Recovery mode page
such that it attempts fewer retries, among other things. Specifically, the
Read Retry Count and Recovery Time Limit should be changed such that
delays are minimal. You sacrifice some reliability if you do this, and it is
also possible that the zip-drive's firmware won't let you play with those
settings. I don't have a zip drive to test this.
scsiinfo-1.6 should be available in the usual places. Having the SCSI II
speification helps, but is available on the Internet, too.
Regards,
--
Steve Thompson
System Administrator, out-patient at the Home for the Incurably Informed,
Misanthrope
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