Tips on keeping your Ubuntu Linux server secure

Friday, 25 August 2006, 12:30 AM EST

As a system administrator, one of your chief tasks is dealing with server security. If your server is connected to the Internet, for security purposes, it's in a war zone. If it's only an internal server, you still need to deal with (accidentally) malicious users, disgruntled employees and the guy in accounting who really wants to read the boss's secretary's e-mail.

At Computerworld.

[ Read more ]




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DMARC: The time is right for email authentication

Posted on 23 January 2015.  |  The DMARC specification has emerged in the last couple years to pull together all the threads of email authentication technology under one roof—to standardize the method in which email is authenticated, and the manner in which reporting and policy enforcement is implemented.


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