Ubuntu Firewall

[Christopher Chan]

On Wednesday, March 03, 2010 09:25 AM, Michael Haney wrote:
> Does Ubuntu 9.10 have a Firewall, and if so how can I change its
> settings?  I don't see a panel for it in System=>Preferences or
> System=>Administration, assuming there is a Firewall.  I'm trying to
> get Hamachi to work.  I've gotten it installed just time but I can't
> get the two machines (Ubuntu desktop, Windows laptop) to talk to each
> other.  Hamachi sees the users on the network I've created, but to my
> laptop my desktop looks like its offline when its not, and my desktop
> can't ping my laptop.

All Linux distros have a packet filter called netfilter and I have yet 
to see one that does not enable it in their distro kernel.

I work with /etc/network/interfaces so my apologizes if I cannot help 
you with a gui tool (which I do not touch with a ten foot pole btw) but 
I have heard of Firestarter and UFW (aka Uncomplicated Firewall)