1. back up iptables # cp/etc/sysconfig/iptables/var/tmp first. Port 80 must be enabled, and the following three lines of IP address and Lan must be specified: first, disable all port 80 and enable port 80 at the end of the ip segment 192.168.1.0/24.
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 # -----------
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 = ""
The code is as follows
Copy Code
#!/bin/sh#------------------------------------------------------------------------------# for debugging use Iptables-v.Iptables= "/sbin/iptables"Ip6tables= "/sbin/ip6tables"Modprobe=
If there are many ports and are sorted, use the port range statement. for example, Port 40100: 40109 indicates port 40100 to Port 40109. if you do not know the basic knowledge of IPTABLES, we recommend that you first check it out. configure a filter
Iptables official website: Alibaba
IptablesHttp://netfilter.org/
Path of the data packet passing through the firewall
Port prohibited
Force access to a site
Publish an internal network server
Intelligent DNS
Port ing
Access through NAT
Save and
Http://os.51cto.com/art/201107/273443.htm"51CTO exclusive feature" Linux system administrators have been exposed to netfilter/iptables, this is the Linux system comes with a free firewall, the function is very powerful. In the following
1. back up iptables # cp/etc/sysconfig/iptables/var/tmp first. Port 80 must be enabled, and the following three lines of IP address and lan must be specified: first, disable all port 80 and enable port 80 at the end of the ip segment 192.168.1.0/24.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.