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.

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Understanding /etc/passwd and /etc/shadow

Q. Can you explain /etc/passwd file format for Linux and UNIX operating systems? A. /etc/passwd file stores essential information, which is required during login i.e. user account information. /etc/passwd is

What are the phases of malicious hacking?

The following are the phases of malicious hacking: 1. Reconnaissance: In this phase, the attacker gathers information about the victim. 2. Scanning: In this phase, the attacker begins to probe

How and Why Hackers Want to Get Inside Your Machine

If your computer is a fortress, hackers are the interlopers with pointy metal hats who charge the gate, scale the walls, or use stolen keys to get inside. Their mission?