New to Fedora, Network Issues.

[Bruno Wolff III]

On Mon, Jul 06, 2009 at 12:20:53 -0600,
  Mike Adolf <mlnx at mho.com> wrote:
> 
> When I go to "Places-> Network" I see the Windows Network icon. When
> activating it I get "Failed to retrieve share list from server". I can
> not ping any other machine. No PC can see the Linux machine but PCs can
> see each other. I did get the printer to work after a driver install and
> mail and internet are fine. My linux machine is a wired connection to
> the router, device eth0. The PCs are wireless. Network Configuration
> tool also shows a ethernet hardware device pan0 that I know nothing
> about.

My first though is that the firewall needs to be adjusted. Try temorarily
turning off the firewall (service iptables stop) and retest. If that
fixes things, you'll want to adjust your firewall rules.