detect open ports on WAN

From: A. Tolga KILINĒ (kilinc@tis.havelsan.com.tr)
Date: 02/06/03 

From: "A. Tolga KILINĒ" <kilinc@tis.havelsan.com.tr>
Date: Thu, 6 Feb 2003 10:28:08 +0200

Hi, I have an application working as client/server on WAN. It needs a
certain port (UDP) to be open for client server communication. How can I
detect that the specified port is open on all nodes (switch, router..etc) on
the way from server to client??? Is there a tool for this purpose on Windows
2000???
regards,
tolga

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