Hello,
This is a follow up email in the hope that someone as confused
as me might find it useful.
I have solved my computer security issues for now using the following
script.
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#!/bin/sh
sudo apt install -y apparmor
sudo apt install -y apparmor-profiles
sudo apt install -y apparmor-profiles-extra
sudo apt install -y apparmor-utils
sudo aa-enforce /etc/apparmor.d/*
fireholpath="/usr/sbin/firehol"
sudo apt remove -y ufw
sudo apt install -y firehol
sudo crontab -u root -l > temp.txt
if grep 'firehol' temp.txt;
then
echo "no need to update crontab"
else
echo "updating crontab"
echo "@reboot $fireholpath start" >> temp.txt
sudo crontab -u root temp.txt
fi
sudo firehol start
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I don't know how smart the above script is , but it works for me.I found
that the default firewall with linux mint (ufw) was not working
effectively.At least with the default settings it comes with.My
computers were getting hacked through using firefox with attackers
gaining root access in about 20 minutes no matter how strong the
password was.In such times, changing the hostname and password helped
things temporarily.
Enjoy your linux.
regards Peter