Azure Web application firewall with DDos

Ashu_clouddev 101 Reputation points
2020-06-24T14:12:59.163+00:00

Hi,

Is it possible to write the rules on WAF to prevent from DDoS attacks? If yes, Please share any script or documentation for the same.

Azure Web Application Firewall
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  1. TravisCragg-MSFT 5,681 Reputation points Microsoft Employee
    2020-07-08T01:17:55.65+00:00

    Azure DDoS Protection is a separate service offered by Azure. Azure WAF for Azure Front Door does have additional DDoS Protection capabilities, primarily using rate limits to only allow a specified amount of requests to your backend application. You can find an example Here.

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  1. Malleswara Reddy, G 1,631 Reputation points
    2020-07-08T05:04:22.07+00:00

    Hi,

    Usually DDos is Layer/Layer 4 protection. You can write a custom rule to block the requests if it more than 20 requests in a minute time or similar rules. Check few examples here -- https://learn.microsoft.com/en-us/azure/web-application-firewall/ag/create-custom-waf-rules

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