Title: 5250 Telnet Enhancements
Author(s): T. Murphy, Jr., P. Rieth, J. Stevens.
Status: INFORMATIONAL
Date: Jul 2000
Length: 83369
Updates: RFC1205
This memo describes the interface to the IBM 5250 Telnet server that allows client Telnet to request a Telnet terminal or printer session using a specific device name. If a requested device name is not available, a method to retry the request using a new device name is described. Methods to request specific Telnet session settings and auto-signon function are also described.
By allowing a Telnet client to select the device name, the 5250 Telnet server opens the door for applications to set and/or extract useful information about the Telnet client. Some possibilities are 1) selecting a customized device name associated with a particular user profile name for National Language Support or subsystem routing, 2) connecting PC and network printers as clients and 3) auto-signon using clear-text or DES-encrypted password exchange.
Applications may need to use system API's on the AS/400 in order to extract Telnet session settings from the device name description. Refer to the Retrieve Device Description (QDCRDEVD) API described in the AS/400 System API book [3] on how to extract information using the DEVD0600 and DEVD1100 templates.
This memo describes how the IBM 5250 Telnet server supports Work Station Function (WSF) printers using 5250 Display Station Pass- Through. A response code is returned by the Telnet server to indicate success or failure of the WSF printer session.
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