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Thanks Simon, This server program is also a client to a business partner that expects the data in EBCDIC. Basically the business partner only allows two connection from each host, both on separate ports. Since we have several jobs pulling from a data queue to process transactions, I have to relay thru my server. The communications that the business partner wants is very specific. They also will respond down either connection regardless of the connection we used to send the request. Oh what fun. I love talking TCP to old mainframe applications. I just wanted to cheat. Looks like I have to write the client to test. Need to any way for sending the proper formatted data. Thanks again, Christopher K. Bipes mailto:Chris.Bipes@Cross-Check.com Operations & Network Mgr mailto:Chris_Bipes@Yahoo.com CrossCheck, Inc. http://www.cross-check.com 6119 State Farm Drive Phone: 707 586-0551 x 1102 Rohnert Park CA 94928 Fax: 707 586-1884 -----Original Message----- From: Simon Coulter [mailto:shc@flybynight.com.au] Sent: Tuesday, July 02, 2002 4:34 AM Hello Chris, The Telnet protocol is generally ASCII. The protocol does allow for extensions which allow a client and server to negotiate binary transmission (which could result in EBCDIC data flow and indeed does for TN5250) along with many other variables. See RFC 856 (or replacement) for IAC WILL TRANSMIT-BINARY and IAC DO TRANSMIT-BINARY negotiation.
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