How To: Disable Firewall on RHEL / CentOS / RedHat Linux

How To: Disable Firewall on RHEL / CentOS / RedHat Linux

by  on OCTOBER 10, 2007 · 24 COMMENTS· last updated at JUNE 28, 2012

I don’t want firewall because I only run one http (port 80) public service. How do I turn off or disable firewall permanently under RHEL / Fedora Linux / Red Hat Enterprise Linux and CentOS Linux?

iptables is administration tool / command for IPv4 packet filtering and NAT. You need to use the following tools:

[a] service is a command to run a System V init script. It is use to save / stop / start firewall service.

[b] chkconfig command is used to update and queries runlevel information for system service. It is a system tool for maintaining the /etc/rc*.d hierarchy. Use this tool to disable firewall service at boot time.

How Do I Disable Firewall?

First login as the root user.

Next enter the following three commands to disable firewall.
# service iptables save
# service iptables stop
# chkconfig iptables off

If you are using IPv6 firewall, enter:
# service ip6tables save
# service ip6tables stop
# chkconfig ip6tables off

Taken from : http://www.cyberciti.biz/faq/disable-linux-firewall-under-centos-rhel-fedora/

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