[CentOS] Do I need a dedicated firewall?

Thu Dec 12 18:02:43 UTC 2013
John R Pierce <pierce at hogranch.com>

On 12/12/2013 9:56 AM, m.roth at 5-cent.us wrote:
> You misunderstand me: I have the router plugged into the phone co. router,
> going into my router's uplink port.

so you have two layers of network address translation?   or is one or 
the other of those 'routers' set to bridge ?

john r pierce                                      37N 122W
somewhere on the middle of the left coast