Countering SSH bruteforce attacks

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Create Parsing command

sudo touch /usr/bin/brute
sudo chmod +x /usr/bin/brute
sudo nano /usr/bin/brute

<source lang=bash>#!/bin/bash sudo cat /var/log/auth.log | grep -i 'invalid user' | grep -v ']$' | awk '{print $8 " --> " $10}'

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