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# Environment Connection Protocols

The communication protocol used to connect to the server or client must be specified in the environment. This protocol is used by commands to connect to source and destination environments in the deployment system. Work with the application administrator to determine which connection protocols are supported at your site for the machines housing the deployment environments. The following connection protocols are supported:

- Telnet

- SSH

- SSH2 (Legacy)

- SSH2

Note: SSH2 is a new client introduced in PPM version 9.30 to support FIPS 140.2 compliant encryption algorithms. To differentiate it from the old SSH2 introduced in earlier versions, the old SSH2 is renamed SSH2 (Legacy) in version 9.30.

For details about using the SSH2 client, see Configuring to Use the SSH2 Client.

https://admhelp.microfocus.com PPM 8942
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