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Answer WebLink Connect (MC Trade) uses certain IP ports to communicate with our hosted servers. If you use a firewall or proxy server to connect to the Internet, you must configure your connection so that the ports used by MC Trade are not blocked. TCP Ports used: PORT NUMBER: DESCRIPTION TCP Port 21: Standard FTP command connection - this port is used by the Web Template Manager to update files on your site. TCP Port 80: Standard HTTP website connection - this port is the primary port for browsing websites. TCP Port 443: Standard HTTPS website connection - this port is used for SSL connections for both your website and MC Trade. TCP Port 1433: Microsoft SQL Server connection - this port is used by MC Trade to connect to your back end database. |