turn on firewall ubuntu

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

Following the previous article http://www.cnblogs.com/EasonJim/p/6851241.html explained the UFW firewall is no interface, below will introduce the GUI configuration function in GUFW.Ubuntu simplifies the iptables firewall and can install UFW, which

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

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

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

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

Target Need to develop a monitoring program under Linux that uses the network to log on to another Linux server A to execute commands and get command execution results, and then analyze the data Basic Programme Because there are no Linux computers,

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 9.10 Default is the UFW firewall, has supported the interface operation. Run the UFW command at the command line to see a list of possible actions for the prompt.One of the simplest operations: sudo UFW status checks the state of the firewall,