May 102014
 

terminal1.jpg
Your server appearing pretty slow could be many things from wrong configs, scripts and dodgy hardware – but sometimes it could be because someone is flooding your server with traffic known as DoS ( Denial of Service ) or DDoS ( Distributed Denial of Service ).

Denial-of-service attack (DoS attack) or Distributed Denial-of-service attack (DDoS attack) is an attempt to make a machine or network resource unavailable to its intended users. This attack generally target sites or services hosted on high-profile web servers such as banks, credit card payment gateways, and even root nameservers. DoS attacks are implemented by either forcing the targeted computer to reset, or consuming its resources so that it can no longer provide its services or obstructs the communication media between the users and the victim so that they can no longer communicate adequately.

In this small article you’ll see how to check if your server is under attack from the Linux Terminal with the netstat command

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Aug 082013
 

attackArticle by Chris Pentago

DDoS attacks (Distributed Denial-of-Service attacks) have been a global Internet phenomenon and a problem for quite some time now. Ever since the Internet started being used for making money and for generating large amounts of revenue, there have been people who have been trying (for whatever purpose) to bring down these webpages.

These attacks have a final goal of stopping the functioning of a website, which will, in turn, make it inaccessible for everyone on the Internet. Website downtime can, as I mentioned, bring about substantial losses of revenue, which is why these attacks have to be stopped at all costs.

Now, when it comes to the targets for these attacks, they are usually websites of some high-profile companies and businesses, as well as important government agencies. They target the websites that are hosted on major web hosting providers, ensuring that these pages stay down for a couple of hours.

If the problem is not dealt with, or is dealt with poorly, then the downtime can be prolonged indefinitely and can, after a while, cause the owner of the website (be it a business, a government agency or anything else) to break, usually financially.

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