fail2ban filters – custom rules using regexp

fail2ban

fail2Ban is a very handy tool to prevent a lot of unwanted traffic from consuming bandwidth on your servers. It’s a minimal and relatively simple IDS Type Tool that comes with some predefined filters to automatically lockout potentially dangerous or bandwidth-consuming type attacks.

1. creating a custom filter

/etc/fail2ban/filter.d/custom.conf
[Definition]
 
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