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 (distributed denial of service) and DoS (denial of service) attacks can be broadly classified into three categories based on the layers of the OSI model they target: network layer (Layer 3), transport layer (Layer 4), and application layer (Layer 7). Layer 3 kwaye ne-Layer 4 attacks are typically less complex–even though that they might…
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I-firewall yesicelo sewebhu (WAF) lisebenza njengesixhobo sokhuseleko esisetyenziswa ukuqinisekisa ukuba akufakwa kungenxa yokungafunwa kwizicelo zewebhu. Ngokuqhelekileyo lihlala lisixhobo sokhuseleko esikwi-top ye-server yewebhu kwaye likhusela kuzo zonke izoyikiso ezivela kwi-intanethi okanye ngaphaya komda wenethiwekhi. Ngaphandle kwe-Layer 3 (Inethiwekhi) kwaye ne-Layer 4 (Yothutho) firewalls, eyiphi…
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