Sistema

Contributed by Hang Chau

DoS/DDoS attacks are a virulent, relatively new type of Internet attacks, they have caused some biggest web sites on the world -- owned by the most famous E-Commerce companies such as Yahoo, eBay, Amazon -- became inaccessible to customers, partners, and users, the financial losses are very huge.

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Contributed by Tyler Jeffords

Contributed by Lamaris Davis

Contributed by Ronnie Dale Huggins

In the “old days” of computing, a user would sit down at his or her workstation, login to the desktop, login to their email system, perhaps pull up a thick client or two, login to those as well, and maybe access a couple of internal web pages, and again, login to those. Now take into account that all of these systems are likely handled by different support groups, so the user has to not only remember user IDs for all of these applications, they need to remember the password associated with these systems. All of these security silos eventually become an administrative nightmare and result in a decreased user experience. Costs associated with helpdesk calls for password resets also increase.

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Contributed by Abishek Singh

In this paper I will try to explain the philosophy behind the Security Enhanced Linux (SE Linux). I will however try to explain the concept with an example but to keep the length readable I will restrain myself to go into much of implementation details for e.g. commands and similar stuff.

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