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 (faib tsis lees paub kev pabcuam) thiab DoS (tsis lees paub kev pabcuam) Kev tawm tsam tuaj yeem muab faib ua peb pawg raws li txheej txheej ntawm OSI qauv lawv lub hom phiaj: network txheej (Txheej 3), thauj txheej (Txheej 4), thiab daim ntawv thov txheej (Txheej 7). Txheej 3 thiab Txheej 4 kev tawm tsam feem ntau tsis tshua nyuaj–txawm tias lawv yuav…
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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) thiab Txheej 4 (Transport) firewalls, which…
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