iptables established related

We recommend a good iptables-shell script to free you from the troublesome iptables configuration. I am not sure who the script author is, so I deleted the version declaration. system: centos5.9 script content: viiptables. sh #! /Bin/sh # -----------

The code is as follows Copy Code #!/bin/sh#------------------------------------------------------------------------------# for debugging use Iptables-v.Iptables= "/sbin/iptables"Ip6tables= "/sbin/ip6tables"Modprobe=

1 iptables good script (reference) Quote: [Root @ server ~] # Cat/opt/iptables. Rule #! /Bin/bash # # The interface that connect Internet Extif = "ppp0" # The inside interface. If you don't have this one # And you must let this be black ex> inif = ""

Install iptables Firewall If you do not install iptables you need to install first, CentOS execution: Yum Install Iptables Debian/ubuntu Execution: Apt-get Install Iptables On the VPS on the week nine Iptables set to: *nat:P rerouting ACCEPT [7

========================================================== = ========================================================== = Common iptables firewall configuration problems: Author: kenduest) Last Updated: 8/18/2006 ====================================

Instance:#iptables-T filter-a input-s 172.16.0.0/16-d 172.16.100.7-j Drop the source address of the 172.16.0.0 network segment, the access 172.16.100,7 packets are discarded.#iptables-L-N View rules for the filter table#iptables-T Nat-l-n View rules

What is Iptables-general Linux technology-Linux technology and application information? For more information, see. Iptables is a packet filtering management tool based on the netfilter architecture. It is mainly used for firewall or transparent

Firewall:Firewalls in the IT domain: a complete set of security isolation tools;Software firewall:Application software processing logic to run the common hardware implementation of the firewall;The most common firewall in Linux is: NetFilter network

　　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

Iptables (firewall) and netfilter================================================= recommended blog: http://www.360doc.com/ content/11/0506/09/706976_114731108.shtml# http://drops.wooyun.org/tips/1424netfilter/iptables Introduction: (1) IP