Educause Security Discussion mailing list archives
Re: FW: Lab report on slammer worm
From: Dan Updegrove <updegrove () MAIL UTEXAS EDU>
Date: Wed, 26 Feb 2003 05:26:08 -0600
Mark and colleagues -- This feedback on IU the lab report from William Green, who manages the UT Austin data network: We noticed three factors which effected load on routers. Traffic rates and multicast, as they mentioned in their report, but also ARP for unkown hosts which they did not mention in their report (more of an issue for edge routers, or specific to router configuration). We experience I2 inflicted multicast damage years ago and took precautions on our gateway router. Even with those precautions, multicast continues to be a point of vulnerability. Multicast is an experimental and thus far unsupportable protocol. Thanks again for circulating the report. Regards, Dan At 04:13 PM 2/25/2003, Bruhn, Mark S. wrote:
I have to admit that I have only scanned this report thus far, but I wanted to get it out. (It is from our Applied Network Management Lab, which is one of the IU Pervasive Computing Labs, <http://www.pervasive.iu.edu/>http://www.pervasive.iu.edu/. The ANML supports the REN-ISAC with advanced research and tools.) Speaking of the ISAC, if you haven't see it -- <http://www.nipc.gov/pressroom/pressrel/NIPCandIU.htm>http://www.nipc.gov/pressroom/pressrel/NIPCandIU.htm. M. -- Mark S. Bruhn, CISSP Chief IT Security and Policy Officer Office of the Vice President for Information Technology and CIO Indiana University 812-855-0326 Incidents involving IU IT resources: it-incident () iu edu Complaints/kudos about OVPIT/UITS services: itombuds () iu edu <<SLAMMER.pdf>> ********** Participation and subscription information for this EDUCAUSE Discussion Group discussion list can be found at http://www.educause.edu/memdir/cg/.
VP for Information Technology Phone (512) 232-9610 The University of Texas at Austin Fax (512) 232-9607 FAC 248 (Mail code: G9800) d.updegrove () its utexas edu P.O. Box 7407 http://wnt.utexas.edu/~danu/ ********** Participation and subscription information for this EDUCAUSE Discussion Group discussion list can be found at http://www.educause.edu/memdir/cg/. Austin, TX 78713-7407
Current thread:
- FW: Lab report on slammer worm Bruhn, Mark S. (Feb 25)
- <Possible follow-ups>
- Re: FW: Lab report on slammer worm Dan Updegrove (Feb 25)
- Re: FW: Lab report on slammer worm Dan Updegrove (Feb 26)