Hi all,
I'm playing around with ethereal, and just trying to get used to it. However,
I apparently don't quite understand how to write effective filters.
For example, I wanted to snoop myself telnetting from my laptop to my Sun.
If I use 'tcp port 23' as a filter, I see all that gets sent from the Sun, but
nothing that gets sent from the laptop. So, I'm assuming that telnet is going
out on a different port than 23. So I tried to modify the filter to be things
like:
tcp port >= 23 and tcp port <= 1024
tcp port > 22
and other various things, and each returns the error:
Unable to parse filter string!
Can someone tell me what I'm doing wrong? Is there a guide on writing filters
somewhere? I looked at the man page, but couldn't get a sense of what I was
doing wrong.
Thanks,
--
Seeya,
Paul
----
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