[LBo] Firewall Configuration in K/Ubuntu

[Isolde Ryan]

Brice Hunt wrote:

>The only real configuration that
>I need to make to her computer after install is setting up the firewall
>to block out everything except for a very few client protocols that she
>will use (e.g. http, ftp).   I don't know, but maybe this firewall
>configuration might currently be the default on Ubuntu.

For configuring a firewall in K/Ubuntu check out the following link:

http://linuxdevcenter.com/lpt/a/6502

After spending some time looking round for a graphical firewall configurator
on Kubuntu, I stumbled across this article. There is in fact no GUI tool.
Kubuntu installs with no open ports, so there is no option during
installation to configure a firewall and no easy point-n-click way to do so
once you've installed, the thinking being that no firewall is necessary.
Being an extraordinarily paranoid individual, I just can't surf without a
firewall, so I followed the article's advice and installed KMyFirewall. As
much as I love writing iptables scripts by hand (not!), I decided to go a
GUI tool (I am running Kubuntu afterall :-)

KMyFirewall is fairly easy to use, the only minor issue I ran into was that
it expected iptables to live in /usr/sbin whereas in Kubuntu 6.1 it's found
in /sbin. I just made a symbolic link from /sbin/iptables to /usr/sbin/iptables
and all seemed to work fine.

  Isolde

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