Author: James Swafford
Date: 13:53:31 12/21/01
Go up one level in this thread
On December 21, 2001 at 15:50:30, Ed Panek wrote: That's pretty interesting... were the Unix servers swamped under the load of the service requests (like a Denial of Service attack), or was the problem strictly a disk space issue from large log files? -- James > Recently at Johns Hopkins University Medical Center we encountered an attack of >the Code Red Virus. The strange thing is that it also brought down any Unix >workstations running port 80 HTML. The problem was that the Windows HTML servers >would send a bazillion html requests to any html server. This was so frequent >that the messages log on the Solaris Box filled up the root partition completely >within about 3-4 hours. > > The symptoms we noticed are that when trying to telnet into Solaris we received >an error stating no utmpx entry. We ended up recreating all the utmp and wtmp >files and we could then telnet ok. We also ended up having to install a script >that checks the size of the /var/adm/messages and pipes it to /dev/null when it >exceeds a certain size. > > > > >Ed
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.