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Seems you looked in all the 'usual' places, so try
looking in some 'unusual' places.
It's not a connectivity problem - you said that
they are able to see each other's macs and that ping works in one direction.
Focus on the desktop. There's a program somewhere
that you don't think would be blocking icmp, but it does.
It's probably trying to protect you - whether you
need it or not..
Do you by any chance have a Cisco VPN Client on the
desktop? If so - dig around in the Options and uncheck "Stateful firewall
(Always On)". If not, look for some similar program. There's probably a firewall
still on somewhere that you don't realize is running.
HTH
Lori
----- Original Message -----
Sent: Thursday, August 20, 2009 2:09
AM
Subject: [Wireshark-users]
Wireshark-users] need to find what blocks icmp
Rich: I just turned on ICMP allow incoming echo
request on desktop & laptop. Ping from laptop to desktop still times
out.
Chuck: Laptop is XP Home. Desktop: XP Pro. I double
checked, and both machines have "Enable TCP/IP Filtering" box
unchecked.
Tan: This is actually my home comps. So, I can't
blame this problem on user but myself :( I checked installed
programs and it seems like I don't have any other firewall/anivirus installed
beside mentioned in the original post. Though, I had zone alarm installed on
both comps before current comodo install about a year ago. I don't see zone
alarm process under task manager (should it start with z* ?), and it is not
under programs..
Thanks a lot guys for helping me on this! I need
both computers to 'see' each other in order to transfer few gig of programs,
otherwise I would not worry about this ping a lot. Unfortunately, I need to
understand why I can't ping desktop from laptop. I hope it will help them to
see each other shared drives.
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