Article ID: 219285 - View products that this article applies to.
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This article explains how to load balance traffic to FTP servers using Windows NT Load Balancing Service (WLBS).
FTP servers use TCP port 21 for control connection and TCP port 20 for return data connection from the server. Sometimes, the server indicates to the client to use another port (above 1024) to communicate with it.
To Load Balance FTP, configure the following port rules:
(https://support.microsoft.com/kb/198496/EN-US/ )How to Configure WLBS Port Rules
Article ID: 219285 - Last Review: February 21, 2014 - Revision: 1.2