Re: Rate Limiting in Dada Mail
Great Stuff Justin,
Just got back from the cruise i told ya about, I'll haply try out
the beta version get ya some feedback. And if it does not help
will look into something else :)
Sincerely,
Yari Gio
I'm getting a lot of reports of people having their Dada Mail installs slammed with requests on subscription forms, basically from bots trying to do… something with the form (probably badly informed). One option to stop this is putting a CAPTCHA on this form, which I'm slightly opposed to, since it adds yet another step between a person who's not subscribed to your list, and one that is. Rather, I've been experimenting with rate limiting, so only a number of requests are allowed in a certain amount of time. Luckily, the framework Dada Mail is based on has a rate limiting plugin, and it seems to work well. I may put out a beta for those to who are experiencing this problem, to give it a try. The rate limiting is easy to implement for any number of functions in Dada Mail. So, we can put a limit on attempts on subscribing, attempts on logging in, Forwarding a Friend emails - so on and so forth. The rate limiting could be used in conjunction with other options available to prevent abuse, which is nice! So, if it doesn't seem to help enough, we haven't caused more complications that need to be undone. Here's my work, currently: https://github.com/justingit/dada-mail/tree/features-CGI_App_Plugin_RateLimit Here's the plugin I'm currently experimenting with: https://metacpan.org/pod/CGI::Application::Plugin::RateLimit Any opinions on the type of limit should be made default? 10 requests in a minute's time? Something else?
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