I have heard this many times over the course of the last several years: someone is experiencing a heavy DDoS attack on their website. When I ask them what type of attack they are experiencing, the answer is usually that the bad guys are sending them thousands or even millions of POST requests. When I…
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DDoS (distribuovaný odmietavý útok služby) a DoS (odmietavý útok služby) útoky možno všeobecne rozdeliť do troch kategórií na základe vrstiev OSI modelu, na ktoré ciele: sieťová vrstva (Vrstva 3), transportná vrstva (Vrstva 4), a aplikačná vrstva (Vrstva 7). Vrstva 3 a Vrstva 4 útoky sú zvyčajne menej zložité–aj keď môžu byť…
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The web application firewall (WAF) is a security tool used to guard against unwanted access to web applications. It is often a security device that sits on top of a web server and guards against threats from the internet or from beyond the network perimeter. Unlike Layer 3 (Network) a Vrstva 4 (Transport) firewalls, which…
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