[Ilugc] Need iptables port forwarding

[vellingiri]

hai friends,
   I need port forwarding from one host to another host. Please anyone 
help me.

Example:
   client ip : 192.168.6.82
   server1 : 192.168.1.142
   server2: 192.168.1.12

   When I do ssh from 192.168.6.82 to r...@192.168.1.142, it has to 
redirect to 192.168.1.12. Is it possible? Really I confused a lot while 
googling. I am new for networking. any one help me.

 regards,
S.Vellingiri.
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