From: r.polanskis@uws.edu.au
Date: Mon Aug 04 2003 - 23:47:17 EDT
Hi,
We have a very strange problem I am trying to get to the bottom of.
We had a problem yesterday, with a switch that caused an outage on a couple
of subnets. When the switch came back up, several hosts that rely
on the /etc/defaultrouter file to provide their routing info,
had the file deleted and we had to recreate it.
This created a denial of service for these hosts. Even my own
workstation was affected. Recreating the /etc/defaultrouter file
with the appropriate information on each host and then rebooting
fixed the problem.
Does anyone know of a similar problem having happened to them?
There are no indications in the logs of each host of having been exploited.
The problem appeared across a range of Sun boxes, with OS 2.5.1 through to
5.8 being affected.
Please tell!
rachel
--
Rachel Polanskis Systems Admin, University of Western Sydney
V1-37, Kingswood Campus (+61 2) 47 360 291 <r.polanskis@uws.edu.au>
"They who would give up an essential liberty for temporary security,
deserve neither liberty or security" - Benjamin Franklin, 1759
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