Server is not pingable over internet?

I have a windows server 2003 machine which is connected directly to the internet. It is performing the function of a NAT server/ router / DHCP server, as well as a VPN server. It is not on a domain. I am using Rogers High-speed internet as my ISP.

I live in the same city as the server. When I try to ping the server from my home, it works fine, and I can connect to the VPN.

When I travel to the next city and try to connect from a more remote location, the ping fails to go through, and the VPN fails.

After some talks with Rogers, I discovered that DISABLING the "Basic Firewall" in RRAS for the WAN connection suddenly made the pings go through!

Well... clearly I can't just disable the firewall, but it is what is causing the problem and I don't see anywhere obvious that would cause this kind of blocking to occur.

Attached is a few screenshots of the configuration. Any help would be greatly appreciated.
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Mohamed OsamaSenior IT ConsultantCommented:
Make an Exception (2nd screenshot)  incoming echo request, this should take care of it.
hope your problem is solved.

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Frosty555Author Commented:
Yep that was it. Perfect.

As it turned out the VPN problem was a result of the corporate network's firewall at the remote location. VPN seems to work regardless of whether the computer responds to pings or not. So I guess I'll turn it back off.
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Windows Server 2003

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