Once an initial connection is established with the server,
the SSH protocol specifies that both parties should exchange
version information. This information includes
server/client type and the version supported. Typically, this
would be something like:
SSH-1.99-OpenSSH_2.9p2
which means that the server supports SSH protocol
versions SSH1 and SSH2 and that the server type is OpenSSH, running revision 2.9p2.
Other values can apply here too. The first
part of the string is the important part:
SSH-1.99
1.99 means that the server supports both SSH1 and SSH2
protocols. If only SSH1 is supported, then the server would usually
reply with SSH-1.5 and if just SSH2 is supported
it would usually reply with SSH-2.0.
wodSFTP only works with SSH2 servers. This
is due to the SFTP protocol specification, not our
implementation!