Protecting Beyond DNS Flood & DDoS

The recent slate of cyber-attacks involving DNS and NTP systems has again prompted questions about the comprehensiveness of DNS infrastructure’s security protection. Besides mitigating volumetric att...
Updated Jun 06, 2023
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Charles_Chong's avatar
Charles_Chong
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Mar 19, 2014
Rate Shaping/Limiting is a feature in F5 platform. You can configure the rate-limiting profile specifically for DNS Response and name it as "dns_rate_shape

 

" specified in my iRule above. The iRule will then execute the rate limiting function based on the configured settings when condition matches. You can reach more about F5's Rate Limiting function here : https://www.f5.com/pdf/white-papers/rateshaping-wp.pdf