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Linux/CentOS 7 - Revision history
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Kenneth at 16:49, 3 September 2014
2014-09-03T16:49:15Z
<p></p>
<p><b>New page</b></p><div>Firewall [http://stackoverflow.com/questions/24729024/centos-7-open-firewall-port]<br />
firewall-cmd --add-port=80/tcp --permanent<br />
firewall-cmd --reload<br />
<br />
== EPEL ==<br />
<br />
wget http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-1.noarch.rpm<br />
rpm -ivh epel-release-7-1.noarch.rpm<br />
<br />
I think it is also in the 'extras' package too<br />
<br />
== fail2ban ==<br />
<br />
Install [[#EPEL]] (I think it is also in the 'extras' package too)<br />
<br />
Install fail2ban<br />
yum install fail2ban<br />
<br />
Copy default config to local config:<br />
cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local<br />
<br />
Modify local config:<br />
vi /etc/fail2ban/jail.local<br />
[sshd]<br />
enabled = true<br />
<br />
Restart fail2ban<br />
sudo service fail2ban restart<br />
<br />
<br />
References:<br />
* How To Protect SSH with fail2ban on CentOS 6 | DigitalOcean - https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-6</div>
Kenneth