Since a password is required to be a superuser (to install and modify programs), what are the risks to not use a firewall under Ubuntu ? More particularly if I am using a NAT router ?
I have 3 machines: Machine A - local network Machine B - local network Machine C - external network Local network has a dynamic IP and Dyndns is set up to forward it. I have ssh on Machine B ...
I have 3 network cards installed in my ubuntu 10.04 server and I want to configure Internet sharing and file sharing on eth1 for wired users and wlan0 for wireless users. Static ip: eth0: 192.168.1.1 ...