openssh-client 1:4.2p1-7ubuntu2 (amd64 binary) in ubuntu dapper

 This is the portable version of OpenSSH, a free implementation of
 the Secure Shell protocol as specified by the IETF secsh working
 group.
 .
 Ssh (Secure Shell) is a program for logging into a remote machine
 and for executing commands on a remote machine.
 It provides secure encrypted communications between two untrusted
 hosts over an insecure network. X11 connections and arbitrary TCP/IP
 ports can also be forwarded over the secure channel.
 It is intended as a replacement for rlogin, rsh and rcp, and can be
 used to provide applications with a secure communication channel.
 .
 This package provides the ssh, scp and sftp clients, the ssh-agent
 and ssh-add programs to make public key authentication more convenient,
 and the ssh-keygen, ssh-keyscan, ssh-copy-id and ssh-argv0 utilities.
 .
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 .
 In some countries it may be illegal to use any encryption at all
 without a special permit.