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ModSecurity CRS Rule Group 912 DoS Protection

Anti-Automation rules to detect Denial of Service attacks.

View rules on GitHub.

Rules

912120	Block and track # of requests and log

912130	Block and track # of requests but don't log

912160	If the request count is greater than or equal to user settings we raise the burst counter from 0 to 1

912110	Skip if variables defining DoS protection are not set

912100	Skip if variables defining DoS protection are not set

912140	Skip if we have blocked the request

912171	Potential Denial of Service (DoS)

912170	Check DOS Burst Counter and set Block

912150	DOS Counter: Count the number of requests to non-static resources

912161	If the request count is greater than or equal to user settings we raise the burst counter from 1 to 2

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