firewall

[Brian McKee]

On Thu, Nov 5, 2009 at 6:36 PM, William Biggs <kc8pdr at gmail.com> wrote:
> I would like to know if ubuntu 9.10 64 bit has a firewall built in ?
> I would to know how to edit it . the modem I have dose not have a nat in
> it I look at the ip address that ubuntu is pulling is the same ip my
> modem has from att isp
The built in firewall is called iptables.
To manipulate that firewall you can use one of several front ends -
'ufw' is already installed for commandline use. Gufw is a GUI for ufw.
 Searching 'firewall' in Synaptic will give you lots of other choices
as well.