SSH Dynamic Port Forwarding is a way of opening a SOCK 4/5 proxy server on your local computer and forwarding all of the data to an ssh server your are running someplace else on the network.
Sometimes you are on an untrusted network, but have to use protocols that aren't completely secure and you don't want someone else on the local lan sniffing what you are doing.
By using ssh dynamic port forwarding you can create an encrypted tunnel to a trusted network so others have a harder time sniffing passwords.
The other use of ssh dynamic port forwarding : Suppose u have a lan connection and u are not able to use internet due to some technical problem using this technique you can easily connect to internet.
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1. FOR LINUX MECHINE
CODE:
ssh -D 1020 username@ipaddress
This Command will connect to remote system and start Listening on your localhost at port 1020 .
Here username is login username of remote machine.
Now open browser go to connection setting
Select Manual proxy Configuration
In Sock host put localhost and port 1020
and you are Done !!!
Test This at Home Network
Open terminal Run Command
ssh -D 1020 username@localhost
and do the browser setting as above mention .....
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2. FOR WINDOWS MACHINE
Download Putty and run it
Select SSH
Enter the remote ip
In Category Section expand SSH
Go to ssh->tunnel
Enter Source Port 1020 select Dynamic
And Click on Open.
Enter login name and password.
Now open browser go to connection setting
Select Manual proxy Configuration
In Sock host put localhost and port 1020
And you are Done !!!
Sunday, July 27, 2008
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