I suggest you ...

fail2ban now supports IPv6 - please upgrade

At some time you closed the request "fail2ban for IPv6" stating that fail2ban does not support it. That was no doubt correct at the time - but now it does, see https://github.com/fail2ban/fail2ban/tree/0.10

I'm seeing a lot of warnings in the fail2ban log on my dual stack servers, like this:

66:1000:b01c:10ab:0:1: [Errno -9] Address family for hostname not supported

and my log checking software is complaining to me about the overly long fail2ban log.

See also: https://ctrl.blog/entry/fail2ban-ipv6

Thanks! Tim.

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