Skip to main content


Showing posts from August, 2011

Use SSH-Reject Telenet,RSH/RLogin

The main problem with Telnet/rsh/rlogin/rcp is that they send the information over the wire unencrypted. So whatever you type, your username/passwords that go in clear text over the wire. Anybody can sniff it and make your life difficult. The remote shell utilities such as, rsh, depend on a pre authenticated IP connection. Anything coming from that IP is reliable for them. IP spoofing is not difficult! So use SSH, Secure way to send information over network.The Secure Shell keeps unauthorized users out of our computers, both by encrypting passwords to protect them from sniffing, and by providing more positive authentication than simple password exchange. Instead of rsh, rcp, and rlogin, simply use the commands ssh, scp, or slogin . How to tunnel Telnet through SSH: 1. Launch Putty and provide the destination host IP address. 2. Go to SSH->Tunnel. Enter the destination server name or address followed by a colon and the port PuTTY will forward to. 3.Click on the Open button. A term