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Xref: sserve comp.unix.programmer:12350 comp.unix.bsd:12749 Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!elroy.jpl.nasa.gov!decwrl!vixie!efficacy!vixie From: vixie@gw.home.vix.com (Paul A Vixie) Newsgroups: comp.unix.programmer,comp.unix.bsd Subject: Re: Looking for raw sockets code Date: 13 Oct 93 18:02:23 Organization: Vixie Enterprises Lines: 12 Distribution: world Message-ID: <VIXIE.93Oct13180223@gw.home.vix.com> References: <29gp6t$ia3@thor.tjhsst.edu> NNTP-Posting-Host: gw.home.vix.com In-reply-to: cmetz@thor.tjhsst.edu's message of 13 Oct 1993 07:35:57 -0400 "Raw" sockets are useful for sending out packets which will have your own protocol headers on them, but to receive such packets you need something like a "NIT" (Network Interface Tap, on SunOS) or "packet filter" (versions of which are present in Ultrix and any BNR2-derived system, such as BSD/386). A good example of how to do all this is the CAP (Columbia Appletalk Protocol) package (look for "cap60.tar.Z" on ftp.uu.net or gatekeeper.dec.com). -- Paul Vixie Redwood City, CA <paul@vix.com> decwrl!vixie!paul