Centos 7 Setup Webmin, Virtualmin, Usermin, CSF Firewall and Letsencrypt

useradd    weballround       
passwd    weballround         
exit               
echo "weballround ALL=(ALL)       ALL"  >>    /etc/sudoers           
exit               
clear               
vi    /etc/ssh/sshd_config  (Change #PermitRootLogin yes to PermitRootLogin no)
#port 22
Remove # and change 22 to your desired port number
service sshd restart
yum    install    git    -y       
git    clone    git://github.com/webmin/webmin.git    /usr/local/webadmin       
sudo    ln    -s    `which    perl`    /usr/local/bin/perl   
cd /usr/local/webadmin/
 /usr/local/bin/per ./local-setup.sh                
yum    install    python-argparse    -y       
git    clone    git://github.com/webmin/usermin.git    /usr/local/useradmin       
cd    /usr/local/useradmin               
sudo    ./local-setup.sh               
cd    /opt               
mkdir    /usr/local/virtualmin               
cd    /usr/local/virtualmin               
yum    install    wget    -y       
wget    -O    install.sh    http://software.virtualmin.com/gpl/scripts/install.sh       
/bin/sh    install.sh               
 git    clone    https://github.com/letsencrypt/letsencrypt    /opt/letsencrypt
systemctl    stop    firewalld       
systemctl    disable    firewalld
cd    /usr/src/           
wget    https://download.configserver.com/csf.tgz      

tar -xzf csf.tgz

cd csf

sh install.sh    

2. CSF module installation in Webmin

CSF module installation is done through Webmin interface so first you should log in to you Webmin instance. By default the address is:

http://your-server-ip:10000

After successfully login you should select "Webmin" and "Webmin Configuration":


In "Webmin Configuration" select "Webmin Modules":



In "Webmin modules" select "From local files" and specify the path to module archive and isntall module.
/usr/local/csf/csfwebmin.tgz


NOTE: if you are using "Authentic Theme 18.10" you should remove "csf.min.js" file because of a bug:

rm /usr/libexec/webmin/authentic-theme/extensions/csf.min.js -f

3. CSF configuration

After successfully installation you can now configure your ConfigServer Security & Firewall. Select "System" and "ConfigServer Security & Firewall" in your Webmin instance:



You should now see that there is two notices that we need to take care of. So select "ConfigServer Firewall" and then select "Firewall Configuration":



First we will turn of testing mode:



And then we should restrict syslog/rsyslog access:



After these changes press the button "Change" at the bottom of the page and "Restart csf+lfd" afterwards.

That it, now you have fully working ConfigServer firewall. For more information regarding CSF please visit their

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