A Finnish company developed the original ssh but copyright
and patent issues lead to the development of the free
OpenSSH.
There are two major (and slightly incompatible) versions of ssh: 1.X
and 2.X. From a 2.X client you will not be able to connect to a 1.X
server. Connecting to an OpenSSH 2.X server from any version of the
client is supported though.
Copyright © 1995-2006 [email protected]
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