Date: Sat, 21 Sep 1996 17:19:34 +1000 (EST) From: "Daniel O'Callaghan" <danny@panda.hilink.com.au> To: Richard Gresek <rg@plusnet.de> Cc: freebsd-isp@freebsd.org Subject: Re: IP-Header Log Message-ID: <Pine.BSF.3.91.960921171812.3641e-100000@panda.hilink.com.au> In-Reply-To: <199609201208.MAA01399@gds.de>
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On Fri, 20 Sep 1996, Richard Gresek wrote: > Is it possible to log the IP-headers taht are going through one interface? > (Need to see the source- and the destination ip-address + the port) > > We are running several FreeBSD-servers for our customers as > ISDN-Routers (with bisdn). The routers setup the ISDN-line once per > hour, even during the night. > > I d like to find which workstation on which port is sending the > packets that cause the dialout. Use ipfw (options IPFIREWALL) or Berkeley Packet Filter and tcpdump (pseudo-device bpf 4) Danny
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