It is necessary to configure the iptables firewall in CentOS. Let's learn how to configure it!Set the firewall in Linux. Take CentOS as an example to open the iptables configuration file:DefaultVi/etc/sysconfig/iptablesRun the/etc/init. d/iptables
CentOS Study Notes-firewall iptables, centosiptablesLinux Firewall: iptables
Iptables is a packet filtering software, and more than 2.6 of the Linux kernel is this software. This Section selects the Linux private dish of laruence-Chapter 9 server
Install iptables Firewall
If you do not install iptables you need to install first, CentOS execution:
Yum Install Iptables
Apt-get Install Iptables
On the VPS on the week nine Iptables set to:
*nat:P rerouting ACCEPT [7
Detailed explanation of iptables configuration in CentOS
If you do not know the basic knowledge about IPTABLES, we recommend that you first check it out.
Let's configure a filter table firewall.
(1) view the settings of IPTABLES
1. Introduction: CentOS? What is the shortest margin of the dual ship ?? Powerful Fire Prevention ??, It is collectively referred to as iptables, but the more correct name is iptables/netfilter. Iptables is a usage? Which region accounts? ?? Why?
Firewall: Includes a software firewall (Iptables/netfilter-based packet filtering firewall) and hardware firewall, at the host or network edge of the message through the firewall to detect a certain conditions filtering a series of components.The
Interview questions about the Linux firewall ' iptables 'Nishita Agarwal, a tecmint user, will share an interview experience with a company she has just experienced (Pune, a private company in India). She was asked many different questions during
Basic syntax format for iptablesiptables [-t table name] command options [link name] [conditional match] [-j target action or jump]Description: The table name, the chain name is used to specify the tables and chains that the Iptables command
Many people are constantly asking iptables + squid to do transparent proxy. I am afraid to give a unified answer here. If you have any questions, I hope you will give me some comments. Related Resources: man.chinaunix.net, with iptables man in the
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