Top "System-preferences" questions

Change network proxy settings in via commandline in Mac OS X Lion

I'm looking for the configuration file that keeps track of the Network Proxy settings in OS X. Is it stored …

command-line proxy osx-lion system-preferences
When is a secondary DNS server used?

On our router we have the primary DNS set to a local IP, which is running Windows Server 2008 and the …

macos dns router system-preferences