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OpenBSD 4.7 pf and traceroute
I have 4.7 running as a home cable router on two boxes (one is a spare). I have the new pf format working with the exception of mtr or traceroute.
I can get mtr to work however it just shows the first and last hop. I think the problem is related to the scrub statement: match log on $ext_if all scrub (random-id min-ttl 254 set-tos lowdelay reassemble tcp max-mss 1472 ) shows only the destination: traceroute to daemonforums.org (94.142.245.224), 64 hops max, 40 byte packets 1 daemonforums.org (94.142.245.224) 136.681 ms 138.460 ms 136.798 ms If I use a simple match out all scrub (no-df) traceroute works on the router box only and gives ??? on other connected boxes. Any ideas? |
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According to naddy@, in http://marc.info/?l=openbsd-misc&m=124560271310932&w=2
tcpdump sees packets before pf. Are you running your diagnostics against pf(4) or against a NIC? |
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I tried tcpdump to the ext_if. I believe traceroute is working to that point. It must be my pf.conf. I will continue to look at it.
Tnx. |
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I have similar problem -- don't work tracert on Windows WS.
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Please describe your problem more completely, varag. See http://www.daemonforums.org/showthread.php?t=596 for advice.
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re traceroute
My scrub statement was keeping traceroute from working correctly.
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