In order to test, you have to fill in entries in both the allowed and the test entry boxes.
So, for instance, if you add the following to the allowed:
192.168.0,2001:db8:a::
And you add the following to the tests:
192.168.0,2001:db8:a::123,2001:db8:a::
you should get:
192.168.0 is a valid IP
2001:db8:a::123 is a valid IP
2001:db8:a:: is a valid IP
The plugin was not designed to handle IPv6 specifically, since it was created before IPv6. What the page says, is in answer to a request for IPv6 support:
Would be really great if it worked with ipv6 addresses - LG
Don't see why this is not possible since the plugin uses regular expressions to test against ips.
That means it will not work with this:
[2001:db8:a::123]
because the square brackets are extraneous to the address itself.
I've had very little experience with these addresses; they are still not very common, at least in my experience, so if there's anyone out there who wants to contribute to abortlogin, who does have experience, let me know. (Thanks)