Clients Feature Comparison¶
libssh2) based clients, not all features supported by the paramiko based clients are currently supported by the underlying library or implemented in
Below is a comparison of feature support for the two client types.
|Agent forwarding||Yes||Not supported (PR Pending)|
|Kerberos (GSS) authentication||Yes||Not supported|
|Private key file authentication||Yes||Yes|
|Private key from memory||Yes||Not yet implemented|
|SFTP copy to/from hosts||Yes||Yes|
|Session timeout setting||Yes||Yes|
|Per-channel timeout setting||Yes||Yes|
|Programmatic SSH agent||Yes||Not supported|
|OpenSSH config parsing||Yes||Not yet implemented|
|ECSA keys support||Yes||Not supported (PR Pending)|
|SCP functionality||Not supported||Not yet implemented|
If any of missing features are required for a use case, then the paramiko based clients should be used instead.
In all other cases the
ssh2-python based clients offer significantly greater performance at less overhead and are preferred.