[TriLUG] traceroute works, ping and tcp services don't get through

Michael Hrivnak mhrivnak at hrivnak.org
Sat May 19 01:12:53 EDT 2012


Exactly.  The man page says the first packet aims at port 33434, and
as the TTL increments, so does the port.

Michael

On Fri, May 18, 2012 at 8:07 PM, Joseph Mack NA3T <jmack at wm7d.net> wrote:
> so traceroute uses UDP packets, not ICMP. This might explain why I haven't
> been seeing UDP packets in my iptables LOGs when I expect them, and why I'm
> seeing UDP packets between high ports (34xxx) that I can't account for.



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