From: Sean Reilly (seanreilly@xxxxxxxxx)
Date: Wed Nov 07 2001 - 12:13:46 GMT-3
Its possible the user may have a personal firewall or ids installed on their
system such as BlackIce. It may be set to deny ICMP request and response.
I'm involved in a security project where I run into this all the time.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Wright, Jeremy
Sent: Wednesday, November 07, 2001 9:38 AM
To: 'ccielab@groupstudy.com'
Cc: 'cisco@groupstudy.com'
Subject: Sniffer Question
I am tracing on a specific user and in the expert (station layer) I am
getting a bunch of ICMP port unreachables. The user is using email, the web,
and connecting to network drives but no pinging. Anybody have any experience
with this same problem? Thanks
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