Rwyf wedi clywed hyn lawer gwaith dros y blynyddoedd diwethaf: rydym yn profi ymosodiad DDoS trwm ar eu gwefan. Pan ofynnaf iddynt pa fath o ymosodiad maent yn ei brofi, ymateb yw fel arfer bod y drwg gwyr yn anfon miloedd neu hyd yn oed miliynau o geisiadau POST atynt. 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 and Layer 4 attacks are typically less complex–even though that they might…
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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) and Layer 4 (Transport) firewalls, which…
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