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From: Pascal.Gienger@uni-konstanz.de (Pascal Gienger) Subject: Re: Ip's and ifconfig Newsgroups: comp.unix.bsd.freebsd.misc References: <32CCF094.41C67EA6@corpex.com> <5ak1kq$ge6@uriah.heep.sax.de> <5amee7$7qv@Symiserver2.symantec.com> Lines: 26 X-Newsreader: TIN [UNIX 1.3 unoff BETA release 960722] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <32cf8d7e.0@finesse.isdn.uni-konstanz.de> Date: 5 Jan 97 11:16:14 GMT NNTP-Posting-Host: pc193.isdn.uni-konstanz.de Organization: University of Constance, Germany Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!blackbush.xlink.net!news-kar1.dfn.de!news-stu1.dfn.de!news.belwue.de!news.uni-konstanz.de!not-for-mail Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:33568 tedm@agora.rdrop.com wrote: : In <5ak1kq$ge6@uriah.heep.sax.de>, j@uriah.heep.sax.de (J Wunsch) writes: : >Neil Fowler Wright <neil@corpex.com> wrote: : > : >> If we have several machines on our network (Ie sames class C : >> block from the same hub and router), all with the clients having : >> root priviledge. How do we stop a client from allocating the ip : >> number of another clients machine, or for that matter any other IP : >> number in that Class C block. : > : >By hiring an administrator. : > : This doesen't work, they still will do it! There is a nicier way: Keep your machines running day and night. So when a second machine uses an IP of another running machine there will be errors errors errors. And it would be easy to track down the "wrong machine" with an Ethernet sniffer and analyzer. Pascal -- Pascal.Gienger@uni-konstanz.de |Prefix +49 7531|Fon 16074|Fax 20370 -------------| http://www.geocities.com/WestHollywood/1381/ |----+--------- Rechenzentrum| Tolles Internet, Teil V: Gestern war Internet was ganz nor- Uni Konstanz | males. Heute glaubt jeder Microsoft hätte es erfunden.