Difference: APPXClientEncryption (13 vs. 14)

Revision 142008-09-18 - SteveFrizzell

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META TOPICPARENT	name="APPX500Features"

APPX Desktop Client Encryption

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Release 5.0.0 or higher of the APPX Desktop Client allows SSL encryption to optionally be enabled for "Remote" APPX Desktop Client sessions when connecting to APPX Server 5.0.0 or higher. The APPX Desktop Client SSL encryption feature encrypts all data transmitted between the APPX Desktop Client and the APPX server including login ID, password, all session data, all reports printed by the client, and all files transferred between the client and the server. The APPX Desktop Client can only establish an encrypted SSL connection with an APPX Server that has an APPX Login Manager that supports and that has been properly configured to accept SSL connection requests from the various types of APPX clients. The APPX Login Manager on the APPX Server may be configured to require that the APPX Desktop Client must use SSL encryption. Furthermore, the APPX Login Manager may require that the APPX Desktop Client identify itself by providing an acceptable SSL certificate [Note: This feature is not yet implemented by the APPX Desktop Client].

APPX Desktop Client Handshake

Changed:

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When the APPX Desktop Client connects with an APPX Login Manager to establish a client session with an APPX Server, the first step is to complete a "handshake". The handshake tells the APPX Desktop Client whether or not the APPX Login Manager can accept an encrypted login request from the APPX Desktop Client.

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When an APPX Desktop Client connects with an APPX Login Manager to establish a client session with an APPX Server, the first step is to complete a "handshake". The handshake determines whether or not the connection is able to use SSL.

Changed:

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Versions 5.0 and higher of the APPX Desktop Client support two different types of handshakes:

Pre-5.0 Handshake - Used to establish a "clear text" client session with versions of APPX Server prior to 5.0.0.
5.0 Handshake - Used to establish an encrypted SSL client session with version 5.0.0 or higher of APPX Server.

Versions of the APPX Desktop Client prior to 5 support only the Pre-5.0 Handshake Protocol.

The following chart shows the types of connections that are technically possible for the various combinations of versions of the APPX Desktop Client and APPX Server. Please note that while it is technically possible for an APPX Desktop Client version prior to 5.0 to connect to an APPX Server version of 5.0 or higher, this combination is not recommended or supported since upward compatibility of old APPX Desktop Client versions with newer APPX Server versions is not assured. The APPX Desktop Client version should always be the same or higher than the APPX Server version with which a session is to be established.

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APPX Desktop Client versions prior to 5.0 are not able to connect using SSL. If you want to use SSL, you must upgrade your APPX Desktop Client to version 5.0 or higher. You must also upgrade your server to APPX Server version 5.0 or higher. The following chart shows the types of connections that are technically possible for the various combinations of versions of the APPX Desktop Client and APPX Server. Please note that while it is technically possible for an APPX Desktop Client version prior to 5.0 to connect to an APPX Server version of 5.0 or higher, this combination is not recommended or supported since upward compatibility of old APPX Desktop Client versions with newer APPX Server versions is not assured. The APPX Desktop Client version should always be the same or higher than the APPX Server version with which a session is to be established.

Client/APPX Versions	APPX-Prior to 5.0	APPX-5.0 & Higher
Client - Prior to 5.0	Clear Text Only	Clear Text Only

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