How to setup IPFW working with blacklistd

Carmel NY carmel_ny at
Mon Nov 6 11:35:42 UTC 2017

On Mon, 6 Nov 2017 09:38:40 +0100, Cos Chan stated:

>I would run IPFW with blacklistd, my FreeBSD is 11.1-RELEASE-p1.
>my blacklistd is working fine to get sshd failed login attempts.
>The out put:
>$ sudo blacklistctl dump -b
>        address/ma:port id      nfail   last access
>           3/-1    2017/11/05 01:05:34
>           3/-1    2017/11/05 13:22:53
>but I can't find information how to use the blacklistd database in IPFW
>from IPFW manpage
>would anybody explain that to me?

I have no personal knowledge of "blacklistd"; however, it seems that there
should be a way of using "blacklistctl dump" in conjunction with "sed" or
perhaps "awk" to create a list that could then be fed to "ipfw".

If you could send me the output of a "blacklistctl dump -bn", I could take a
look at it for you.


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