The SSH-2 protocol supports the following user authentications:

* Public key authentication (DSA, RSA*, OpenPGP)
* Host-based authentication
* Password-based authentication

Note: SSH-1 supports a wider range of user authentications, i.e., the public-key, RSA only, RhostsRSA, password, Rhosts (rsh-style), TIS, and Kerberos authentications.

Explore More

How to install APF (Advanced Policy Firewall) and DDOS Deflate

What is APF (Advanced Policy Firewall)? APF Firewall APF is a policy based iptables firewall system designed for ease of use and configuration. It employs a subset of features to

Wake up Adobe; we love your Flash player but not Trojans

Virus developers are taking advantage of the enormous popularity of the Adobe flash player and creating fake Adobe Flash player which installs Trojan horse designed to steal password and personal

NMAP Tutorial

So… let’s say that you donwloaded NMAP in one of its latest versions, if you didn’t then go get it immediately! And come back only when you have it. http://nmap.org/download.html