We don't include the challenge in the regex, just the failure, so we only ban on multiple failures. The challenge is normal registration behaviour. For genuine customers the challenges won't fail and they won't get banned.

On 13 September 2016 at 02:33, jungle Boogie <jungleboogie0@gmail.com> wrote:
On 12 September 2016 at 09:09, Don Hawkins <hawkins@hawkinsegroup.com> wrote:
> I'm actually starting to notice a problem with fail2ban, maybe someone can
> help me.

Not really a problem as fail2ban is working as expected--just not in a
very friendly way. ;)

I've seen this happen and usually I delete the line from fail2ban, but
I don't know how folks manage it for customers.

A few weeks back, I came across this issue on fail2ban's github page:
https://github.com/fail2ban/fail2ban/issues/1500

That pretty much explains your problem.


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