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Download article as PDF In this post we (UNIXY) are going to share our experience fending off a large Distributed Denial of Service (DDoS) attack for a client. Generally, Website owners deal with DDoS attacks on their own. There are equipment and solutions vendors cater to these owners and guarantee protection against these kind of [...]

Download article as PDF In this article, we are going to cover one trick that is used in Web social circles to weather short-lived traffic storms. In most cases, servers collapse due to the server-side processing that needs to occur to produce the HTML that sent to the browser. Whether the server-side script is written [...]

Apache vs Litespeed: Apache 95% faster than Litespeed

In this post, we will explain what a dedicated server is and the difference between a managed dedicated server and a fully managed dedicated server.

In this article, we shall outline the steps required to build a private Content Delivery or Distribution Network (CDN) using Varnish Cache, Nginx, BIND, and GeoIP. The goal is to build a CDN using free, readily available software but most importantly spend the least amount of funds possible.

Download article as PDF SpamAssassin (SA) is a program used for email spam filtering based on content matching rules. The Bayesian classifier that comes with SpamAssassin can be trained to recognize spam (or ham) based on a few sample emails. SA breaks the spam email into tokens or group of tokens for processing. Once SA [...]

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