denyhosts/pfctl to block repeated logins?

Emre Gundogan emre at
Sat Jun 20 15:22:29 UTC 2015

You can also check out fail2ban
( , which is a python
daemon that monitors various logs for suspicious activity and allows you
to define actions (one of which is to add firewall rules). It's
available in FreeBSD ports.


On 06/20/2015 07:34 AM, John Holland wrote:
> What is the best tool to use to block repeated login attempts from unauthorized hosts?  And for deny hosts, how you unblock someone who is legitimate?
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