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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!simtel!news.kei.com!news.mathworks.com!fu-berlin.de!news.belwue.de!News.Uni-Marburg.DE!news.th-darmstadt.de!fauern!news.tu-chemnitz.de!irz401!uriah.heep!not-for-mail From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc,comp.protocols.tcp-ip Subject: Re: Faking Source IP Addresses? Date: 23 Sep 1995 11:34:37 +0200 Organization: Private FreeBSD site, Dresden. Lines: 10 Message-ID: <440kbd$hvj@uriah.heep.sax.de> References: <43te4l$ug@galaxy.ee.rochester.edu> NNTP-Posting-Host: uriah.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:6265 comp.protocols.tcp-ip:39067 Manu Iyengar <iyengar@galaxy.ee.rochester.edu> wrote: >Out of curiosity: could a _user-level_ process send a packet claiming to be >from some arbitrary IP address (not its own)? iijppp does it, i think. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ Never trust an operating system you don't have sources for. ;-)