Ethereal-users: [Ethereal-users] Capture Filter on port - strange behavior

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From: James Garrison <jhg@xxxxxxxxxxxxxxx>
Date: Thu, 05 May 2005 11:27:10 -0500
Running on Windows XP SP2 with Ethereal versions
0.10.10 and WinPCap 3.0.

If I provide the following capture filter:

	port 25

in order to capture an SMTP transaction, I see only
packets with destination port 25 -- I.e. I see the
the client's outgoing packets only.

However, if I capture with NO filter specified, I see
all packets, so I know WinPCap is capturing all the
traffic.

I also tried

	src port 25 || dst port 25

but the results were the same. This used to work
just fine.  Has something changed or am I missing
something?

I also tried Ethereal 0.10.9 and WinPCap 3.1beta4 with
the same results.

--
James Garrison                                Athens Group, Inc.
mailto:jhg@xxxxxxxxxxxxxxx                    5608 Parkcrest Dr
http://www.athensgroup.com                    Austin, TX 78731
PGP: RSA=0x92E90A3B DH/DSS=0x498D331C         (512) 345-0600 x150