InfoConnect for Airlines VBA Guide
DefaultPorts Property
Gets or sets a value indicating whether the terminal should attempt to communicate with the host transaction programs using the default port numbers (as defined by IBM).
Object.DefaultPorts As Boolean
Attachmate.Reflection.SecuredSettingException This exception is thrown when you modify a property that was secured via the Permissions Manager, or that can only be modified by an Administrator.

The default port numbers (as defined by IBM) are shown below:

Port numbers

Server Default Port
Central server 8470
Database server 8471
Sign-on server 8476
File transfer server 8478

If this property is set to false, the terminal attempts to discover the available ports, resulting in a small increase in connecting time. This property is relevant for 5250 file transfer over TCP/IP.
See Also