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How can I use fail2ban with DDWRT or a router?

I love using fail2ban, but there is no info about using fail2ban in a linux base ddwrt / optware / entware and so on.

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I tried to add to the WIKI, you might wanna add in:

Fail2Ban is not easy, but can be done cooly!

Right now, I use git but you can download the latest as well.

opkg install git git-http bash ca-bundle ca-certificates python  

cd /opt 
git clone https://github.com/fail2ban/fail2ban.git 
cd fail2ban 
mkdir -p /opt/log
mkdir -p /opt/run/fail2ban
mkdir -p /opt/lib/fail2ban/
cp /opt/fail2ban/config/jail.conf /opt/fail2ban/config/jail.local
cp /opt/fail2ban/config/fail2ban.conf /opt/fail2ban/config/fail2ban.local

Required modification for fail2ban.local

logtarget = /opt/log/fail2ban.log
socket = /opt/run/fail2ban/fail2ban.sock
pidfile = /opt/run/fail2ban/fail2ban.pid
dbfile = /opt/lib/fail2ban/fail2ban.sqlite3

Setup

There will be an info that /etc/fail2ban is not writable, but it is not a problems

cd /opt/fail2ban 
setup.py install 

Init script /opt/etc/init.d/fail2ban

#!/usr/bin/env bash
/opt/bin/python /opt/fail2ban/bin/fail2ban-server -c /opt/fail2ban/config/ $1

Startup command in like DDWRT

/opt/etc/init.d/fail2ban start

Shutdown command in like DDWRT command

/opt/etc/init.d/fail2ban stop

by Patrik aka p3x-robot / p3x / corifeus

  • i use with python2 and it works – Patrik Laszlo May 10 '18 at 19:08

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