On Fri, 2010-04-23 at 11:51 +0100, Alan Pope wrote: > On 23 April 2010 11:47, John Matthews <jake...@sky.com> wrote: > > Even though we get told most of the time Linux is safe, the more tis > > used, the more viruses will get written for it. I noticed somebody was > > talking about checking ports to see if they are visible to the outside. > > How do you do that? Is there any software, or can it be done via the > > Terminal. Can somebody help? > > > > nmap can do this. > > http://nmap.org/bennieston-tutorial/
netstat -l is another option that will give you an initial idea of what's open and listening. Bruno -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.ubuntu.com/UKTeam/