Should we add a "ctl:ruleEngine=On" to all the "allow" rules (900042, 900043, 
999005 and 999006) in modsecurity_crs_10_ignore_static.conf?

The reason being that when running in DetectionOnly mode, these rules are 
effectively ignore and so performance is WORSE in detection only mode. 
DetectionOnly will also potentially flag rules that will never be hit when 
running in full On mode, as these rules will allow those requests.

To me DetectionOnly mode should be the same as full On, except without blocking 
and currently it is not for these rules.

A bigger question is whether "allow" should be considered disruptive in 
ModSecurity itself but I think improving the OWASP CRS is a smaller step than 
that.

Thanks,
Barry                                     
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