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Volume 2, Issue 15 September 30, 1998 Information of General Interest Dial-up Internet Users May Experience Disconnects Network users who access the Internet through a dial-up modem may experience an increased number of unexpected disconnects. The disconnects are caused by a very old bug that has resurfaced. Recent posts to mailing lists have pointed out that it is possible to exploit an old error in many modem designs. How Does the Exploit Work The exploit works by sending your computer a network packet and tricking it into sending out the command sequence telling the modem to hang up. The modem also may be given any command sequence, including writing new parameters for its default settings. Which Modems Maybe Effected The exploit does not work on all modems, but it appears to work on popular modems utilizing chipsets from Rockwell and Lucent. How Can You Protect Yourself You can protect yourself by entering the string "s2=255" in the modem AT command string, thereby disabling the modem's ability to respond to "+++" and enter command mode. Contact: Bob Cowles, Computer Security Officer, Ext. 4965, rdc@slac.stanford.edu Farewell to VMAfter over a decade of faithful service, the SLAC VM system is being shut down for the last time. Its functions have been superceded by smaller, faster, and cheaper servers. The last of VM applications have been moved off or abandoned. On Monday afternoon, October 5, we will shut down and power off the system. The following day we will begin moving the systems off the machine room floor to make room for the new computing systems for the BaBar experiment. Contact: Chuck Boeheim, SCS, Ext. 4640, boeheim@slac.stanford.edu Upcoming EventsFor complete information on Laboratory Events (general interest seminars, committee meetings and physics workshops), please see: http://www.slac.stanford.edu/grp/pao/seminar.html - please check for updates. Please send additions to the Public Affairs Office, MS 70, fax x5379 or to seminars@slac.stanford.edu Contact: Lesley Wolf, Public Affairs Office, Ext. 2204, seminars@slac.stanford.edu
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Owner: Ziba Mahdavi, 8/6/02 |
