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Newsgroups: comp.unix.bsd.freebsd.misc Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!cs.mu.OZ.AU!rdsgc From: rdsgc@cs.mu.OZ.AU (Gavin CAMERON) Subject: Question about IP accounting Message-ID: <9531016.6997@mulga.cs.mu.OZ.AU> Organization: Computer Science, University of Melbourne, Australia Date: Mon, 6 Nov 1995 05:11:53 GMT Lines: 25 I have a question about IP accounting in the 2.0.5 FreeBSD kernel. I setup my accounting chain in the following way: ipfw adda single all from hostA to hostB via ppp0 ipfw adda single all from 0.0.0.0/0 to hostB via ppp0 What I want to be able to do is account for all traffic that IS NOT coming from hostA. Logically, the second rule should catch this. Here's my question. In FreeBSD once a packet matches one accounting rule is it matched against any other accounting rules? If it is, should it be? I say no. But there many be a very compelling reason why it is. It appears to me that the counters are updated for every accounting rule that the packet matches. So in the above example a packet coming from hostA will be caught by both rules, and we get double accounting for the packet. I can write scripts to get around the problem, but the implementation seems flawed. Gavin gavin@ormond.unimelb.edu.au