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Client connection port
Posted by: Wojciech Wiśniewski
Date: April 08, 2013 04:03AM

I have a problem with connection to MySql database from client machines. The server is configured to use default TCP port 3306. The problem is that clients connect to server using different ports (local?). Clients are located in subnetwork protected by router with access list. Some ports are blocked and it seems that clients try to use one of blocked port after some time. How is it possible? I see in workbench tool connections in the format xxx.xxx.xxx.xxx:port where port is different than 3306. Does anyone know why? Is any port forwarding involved at client machine? Server uses port 3306 but client machines some random ports and sooner or later it uses port blocked by access list.

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