Since the 2.4 version of the Linux kernel, a very good firewall tool has been provided. This tool can divide, filter, forward, and so on the network data of the Access service, and then realize the functions such as firewall, Nat and so on.In
I. Open/Close Firewall command under Linux 1) permanent, no recovery after restart: Chkconfig iptables on off: chkconfig iptables off 2) immediate effect, restart restore:/etc/ Init.d/iptables start off:/etc/init.d/iptables stop It is necessary
teach you how to turn on/off Ubuntu firewallInstallation Methodsudo apt-get install UFWOf course, this is a graphical interface (relatively humble), in the new GUFW to search for a try ...How to use1 Enablesudo UFW enablesudo ufw default
Firewall off shutting down the firewall (Linux)After their own experiments, found in Ubuntu service iptables can not be used.At the same time, there is no iptables program in INIT.D, iptables program under/sbin.Find out whystart and close iptables
1. Close the Ubuntu firewall ufw disabl2. Uninstall Iptables apt-get remove iptab1. Use the iptables -f command to turn off the firewall, but before using this command, remember to use IPTABLES-L to see the default target for all the
(1) permanent effect after reboot: Open:chkconfig iptables onOff:chkconfig iptables off(2) immediate effect, failure after restart: Open:service iptables startClose:service iptables StopIt should be stated that for other services under Linux, the
Ubuntu11.04 default is UFW (UFW is the abbreviation of uncomplicated firewall, not complex firewalls, cumbersome parts of the setup or need to go to the iptables) firewall, has supported the interface operation. Run the UFW command at the command
Ubuntu default firewall installation. Enable. Configure. Port. View status-related informationOne of the simplest operations:sudo UFW status (if you are root, remove SUDO,UFW status) to check the status of the firewall, my return is: inactive
Http://blog.sina.com.cn/s/blog_866c5a5d0101ihxv.htmlThat's all you have to say.sudo ufw enable|disableBecause the Linux original firewall tool iptables too cumbersome, Ubuntu defaults to provide a firewall tool based on iptable UFW.Ubuntu 9.10
Ubuntu11.04 default is UFW (UFW is the abbreviation of uncomplicated firewall, not complex firewalls, cumbersome parts of the setup or need to go to the iptables) firewall, has supported the interface operation. Run the UFW command at the command
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