On Fri, Jun 4, 2021 at 1:24 PM Michael Peddemors via mailop < mailop@mailop.org> wrote:
> With apache, you can use modsecurity quite easily, and you can block all > azure (and other cloud providers ranges) from certain services like > wordpress, or contact forms etc.. (you can even do dns based checks or > rbldnsd) .. > > Are there any links for this? AFAIK mod_security is just a module - to actually do anything it requires a ruleset. Further from that, how does it determine what is Azure and what is not? Is it just blocking IP addresses? Seems you'd need a list of all of the Azure IP address space. And from what I have seen the offending IPs are all over the place: 157.55.39.138 207.46.13.5 20.83.33.136 20.94.247.9 40.124.141.27 40.124.141.27 40.124.193.244 40.76.220.206 Are just a few. But if there's a way to block Azure and other cloud based services, I'd be interested in that. But I'd suspect you'd need a list of all of their IP address spaces - is that information available some where?
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