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 (188.8.131.52), 64 hops max, 40 byte packets
1 daemonforums.org (184.108.40.206) 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.
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