Re: windows firewall

From: Robert L [MS-MVP] (noreply_at_hotmail.com)
Date: 01/11/05 

Date: Tue, 11 Jan 2005 13:58:51 -0600

this may help. quoted from http://www.ChicagoTech.net
Can't ping other computers after installing SP2

Open Windows Firewall. Select Advanced and click Settings on ICMP. Check the
Allow incoming echo request. 

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Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on 
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VPN Troubleshooting, http://www.chicagotech.net/vpn.htm
This posting is provided "AS IS" with no warranties.
"Stony" <Stony@discussions.microsoft.com> wrote in message 
news:1BA41A4E-2144-49A1-99D4-8A45CAC9D115@microsoft.com...
>I hope you guys can help.  here is the scenario.  I have a windows 2000
> server that creates a VPN connection to a windows XP SP2 computer through 
> a
> Linksys router.  the VPN establishes fine.  However, the firewall seems to 
> be
> causing me some problems.  With the firewall on, I can't ping the 
> computers
> internal IP address.  If i uncheck the "local area connection" box from 
> the
> advanced tab, then i can ping the Windows XP computers VPN IP address.  If 
> I
> turn the firwall off, i can ping either address and remote desktop or
> netmeeting or anything else for that matter, works fine.
> Any ideas as to what ports need to be open?  I have tried selecting every
> option within windows firewall, with no change.  I want to leave the 
> firewall
> on, but being able to connect to it through the VPN is critical to our
> network support.

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