Because the tool called system-config-firewall (or it?s ncurses based brother system-config-firewall-tui ) manages this file. Every time you use
16 Apr 2013 For example, «iptables» only maintains firewall rules for IPv4 . The iptables configuration file on CentOS is located at /etc/sysconfig/iptables.
it works fine but I’m trying to add this to /etc/sysconfig/iptables. . In case anyone is looking in here, I found this good tutorial which explains it all
11 Sep 2014 CentOS has an extremely powerful firewall built in, commonly referred . and writes the current iptables configuration to /etc/sysconfig/iptables.
By default, firewall rules are saved in the /etc/sysconfig/iptables or This means that firewall rules can only reference numeric IP addresses (for example,The /etc/sysconfig/iptables-config file stores information used by the kernel to set The easiest way to add rules is to use the Security Level Configuration Tool
17 Jun 2010 /etc/sysconfig/iptables – The system scripts that activate the firewall by reading this file. Usually used when you setup Linux as router.
This executes the iptables initscript, which runs the /sbin/iptables-save program and writes the current iptables configuration to /etc/sysconfig/iptables .
Firewall Wizard : configuration base? when clicking Apply then file /etc/sysconfig/iptables is overwritten.
7 Feb 2015 This article will discuss configuring iptables via the /etc/sysconfig/iptables file, which can be useful if you have an intricate set of rules to keep