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What’s the difference between Intrusion Prevention Systems and(IPS) and Web Application Firewall?

I was asked a few times what is the difference between HIPS, NIPS, IPS, Application Firewall.  I did research a bit about this and started to write something. But, then I found this great article (see below at the resources) which describes everything perfect. Also read my own conclusions at the end of the article.   Introduction We are all somewhat familiar with Intrusion Prevention Systems (IPSs). But what is all this talk of Web Application Firewalls (WAFs)? What is a Web Application Firewall and how does it differ from an IPS? First, let’s take a quick look at Intrusion Prevention, its benefits and some short-comings. Then we will discuss WAFs and how they differ from and augment IPSs. Intrusion Prevention System (IPS) An IPS generally sits in-line and watches network traffic as the packets flow through it. It acts similarly to an Intrusion Detection System (IDS) by trying to match data in the packets against a signature database or detect anomalies against what is pre-defined as “normal” traffic. In addition to its IDS functionality, an IPS can do more than log and alert. It can be programmed to react to what it detects. The ability to react to the…

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Improve your Security #3: Online Protection

It is usually said that those who are behind a hardware router are protected from any danger. This is true in regard to the connections that come from outside but it is not true for the dangers which come from inside the local network. We must not forget that most of threats are landing on users’ computers via email or web traffic (either drive-by downloads or web bugs and exploits). Thus it is important to use multiple layers when it comes to online protection. For the sake of simplicity, I separated the protection layers in three areas: External area, Network and Personal area. Read the entire article in the Avira TechBlog : Improve your Security #3: Online Protection

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