if generic statement

[Renaud Allard]

Hello,

I would like to make some statements such as:
if ($query_string ~ "someregex") {
return 403;
}
To implement some mod_security like features for proxied web sites.

But I see I can only use the "if" statement in the context of location
or server. Is there a way to implement it as a generic rule for all
virtual hosts without having to put includes in every server declaration?

Regards
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