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.
The simplest way to defend your computer quickly against hackers is to use a firewall. So let’s look at your two fastest options. Either can be done in 10 minutes.Turn
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Hackers and crackers are usually highly intelligent social misfits who tend to have a strong curiosity and often have an anarchist or, at very least, anti-authoritarian bent. They see the