By default, you will receive notifications for all the open services. The Mageia firewall GUI allows you to configure desktop notifications, so you are alerted whenever the defined port is accessed by another computer. If you do decide you want to run a firewall on your Linux computer then you should be aware that unless you open some ports on the firewall then you may have difficulty with functions such as printing or browsing other computers. If you trust the router firewall, and if you trust all the devices on your local subnet, then there is no real need for a firewall on your Linux computer as well. This firewall will normally be configured to block all inbound packets from the internet unless specific rules have been defined to forward named ports to specific devices on the local network. In a typical home network, there is usually a perfectly good firewall on your internet router. Shorewall allows very complex firewalls to be configured using (relatively) easy to understand text configuration files which are located at /etc/shorewall.Ĭonfiguring the firewall GUI in Mageia Control Centre creates a file /etc/shorewall/rules.drakx which is included with the shorewall configuration files and allows for simple blocking and admission of ports to your computer. Shorewall is itself a frontend for iptables, the Linux kernel firewall. The firewall GUI in Mageia Control Centre (drakfirewall) is a front end for the Shoreline Firewall more commonly known as Shorewall
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