Date: Sat, 10 Nov 2001 00:54:36 -0800 From: "Crist J. Clark" <cristjc@earthlink.net> To: GuRU <guru@nubisci.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: problems with clients behind ipf/ipnat firewall Message-ID: <20011110005436.G51003@blossom.cjclark.org> In-Reply-To: <20011109133729.A21217@nubisci.net>; from guru@nubisci.net on Fri, Nov 09, 2001 at 01:37:29PM -0500 References: <20011107132853.B7624@nubisci.net> <20011107231359.J301@blossom.cjclark.org> <20011109133729.A21217@nubisci.net>
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On Fri, Nov 09, 2001 at 01:37:29PM -0500, GuRU wrote: > Out of da blue Crist J. Clark aka (cristjc@earthlink.net) said: > > Just for kicks, what does, > > > > $ traceroute -Sn bantu.cl.msu.edu > > > > Return? > > > > Some comparitive tcpdump(8)s on the inner and outer interfaces would > > help too. > ok. i did the following: > tcpdump -s 1518 -i fxp0 -w tcpdump.fxp1 & > tcpdump -s 1518 -i fxp1 -w tcpdump.fxp1 & > > then i did > traceroute -Sn ftp.freebsd.org > ftp ftp.freebsd.org > > from my client box. after the above two commands finished i did the > following: > tcpshow < tcpdump.txt >tcpshow.fxp0 > tcpshow < tcpdump.fxp1 > tcpshow.fxp1 > > the results are shown at > http://www.nubisci.net/guru/tcpshow.fxp0 (public interface) > http://www.nubisci.net/guru/tcpshow.fxp1 (private interface) > > i'm still looking thru the output. if anything stands out, i'd like to know Ugh. tcpshow(1) output? How about the tcpdump.fxp[01] files? (a) tcpshow(1) is spammy when looking at more than a few packets. (b) It would be a lot easier if I could easily filter out ARP, SSH, and other noise easily. -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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