Firewall for Linux: Difference between revisions

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To disable/enable the Linux firewall use the following command:
= Firewall =
 
== CentOS 7 ==
<pre>
<pre>
system-config-securitylevel-tui
systemctl stop firewalld
systemctl disable firewalld
</pre>
</pre>


For CentOS 6 and above
== CentOS 6 ==
<pre>
<pre>
system-config-firewall-tui
system-config-firewall-tui
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If the package is not installed you can install it by using the following yum command.
If the package is not installed you can install it by using the following yum command.
<pre>
<pre>
yum install system-config-securitylevel-tui.i386
yum install system-config-securitylevel-tui
</pre>
 
= selinux =
To disable selinux on CentOS 6 and 7<br>
<pre>
vi /etc/selinux/config
</pre>
</pre>


To disable selinux on CentOS 6 which is not displayed in the above mentioned TUI edit<br>
and set SELINUX
'''/etc/selinux/config'''
 
<pre>
<pre>
SELINUX=disabled
SELINUX=disabled
</pre>
or
<pre>
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config
</pre>
</pre>


[[Category : Linux]]
[[Category : Linux]]

Latest revision as of 23:36, 11 September 2014

Firewall

CentOS 7

systemctl stop firewalld
systemctl disable firewalld

CentOS 6

system-config-firewall-tui

If the package is not installed you can install it by using the following yum command.

yum install system-config-securitylevel-tui

selinux

To disable selinux on CentOS 6 and 7

vi /etc/selinux/config

and set SELINUX

SELINUX=disabled

or

sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config