- by Mahesh Bheema

Just a security enthusiast, Working as Security Analyst in Anthelio. Ex-Trainer in Innobuzz, Hyderabad.

bheemamahesh@gmail.com@0xmahesh

SSH is a secure replacement protocol for telnet as data is encrypted in transmission.

Secure Shell, a network protocol for secure data communication and remote command execution.

-- Wikipedia

SSH provides us…

Confidentiality

Integrity

Authentication

SSH tunnel is an encrypted tunnel, used to transfer unencrypted traffic over a network in an encrypted tunnel.

A Secure Shell tunnel, consists of an encrypted tunnel created through an SSH protocol connection.

--Wikipedia

Remote Shell

Securely connect to a remote shell.

Port Forwarding / tunneling

To divert unencrypted traffic to encrypted traffic.

X11 forwarding / VNC session tunneling

Secure remote Desktop / application.

Start ssh server by using command “service ssh start” in terminal.

If using a natted ip.

We can either port forward or add internal ip in DMZ.

Open putty client, enter IP & Port number of the SSH Server.

Configure settings in putty for tunnel as below, In Connections SSH Tunnels

In Source port, enter a port number. ex: 9999

In Destination, enter loopback address.

Select Dynamic Radio button.

Click on add, to use these setting for tunnel.

Click Open and enter user credentials of the Home PC

Configure proxy in browsers with IP Address “127.0.0.1” and Port number 9999. Use Sock Proxy instead of http.

Firefox: Open Options / Preferences. Go to advanced tab Network tab Settings. Select Manual Proxy, enter IP and Port details in

SOCKS proxy.

Chrome / IE: Open Internet Options. Go to Connections tab Lan settings Check Proxy Server and go to advanced tab, fill IP and

Port numbers in SOCKS proxy.

Questions!

Thank you all

Special Thanks to CA Technologies for providing venue.