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

Detecting New Rootkits

A new rootkit can either be one that has never been seen before, or one that uses new technologies or previously unused methods of attack. Or both. Andthat is where

Online Services

Gathering information: (set) http://www.subnetonline.com/ (set) http://ping.eu/ (ping, dns_tools, traceroute, web_tools) http://serversniff.net/ (DIG / nslookup, whois, traceroute) http://networking.ringofsaturn.com/Tools/ (whois, dns_tools, service_scan, traceroute) http://centralops.net/co/DomainDossier.aspx (whois, dns_tools, domain_search) http://www.whois.ws/ (whois, dns_tools) http://www.robtex.com/ (whois)

What is NetBIOS?

NetBIOS is a Microsoft service that enables applications on different computers to communicate within a LAN. NetBIOS systems identify themselves with a 15-character unique name and use Server Message Block,