Believe it or not, neither Ubuntu nor Xubuntu come with a firewall pre-
enabled.
Ubuntu has a built-in firewall system called IPtables (netfilter) that
is enabled by default.
At installation all ports are open and there is effectively no
filtering/protection.
To close the ports and leave only the ones you want open, you must
either manually edit the iptables or use a GUI (that usually depends
upon GNOME).
If you are using Xubuntu and don't want or don't have the time to
learn about iptables, the only option left is to install Firestarter.
Firestarter needs to have enabled the "universe" repository in the /
etc/apt/sources.list file or in Synaptic Package Manager under
Applications ->System, otherwise the package won't appear in the list.
To enable the "universe" repository in the Synaptic Package Manager go
to Settings -> Repositories and tick the Community-maintained Open
Source software.
Having enabled the repository, the procedure is as follows:
Fastest way to find the package is to do a Search for "Firestarter":
Select it and click "Apply":
http://magikomputer.blogspot.com/2007/10/installing-firestarter-firewall-in.html
Is there any better firewall than this netfilter stuff?
Is there anything out there that allows you to graphically
edit the rules and automatically update filters?
>If you are using Xubuntu and don't want or don't have the time to
>learn about iptables, the only option left is to install Firestarter.
>
>Firestarter needs to have enabled the "universe" repository in the /
>etc/apt/sources.list file or in Synaptic Package Manager under
>Applications ->System, otherwise the package won't appear in the list.
>
>To enable the "universe" repository in the Synaptic Package Manager go
>to Settings -> Repositories and tick the Community-maintained Open
>Source software.
>
>Having enabled the repository, the procedure is as follows:
>
>Fastest way to find the package is to do a Search for "Firestarter":
>
>Select it and click "Apply":
>
>http://magikomputer.blogspot.com/2007/10/installing-firestarter-firewall-in.htm
>l
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IPtables is what is used on 2.6 series of Linux, there are a number of
graphical front ends for editing IPtable rules, like Firestarter.
--
//Aho
The only option that there is at the moment to allow you to
graphically edit IPtables rules on Xubuntu is Firestarter