| They did suggest the 30 steps here to stop Firefox
| from connecting to rogue web sites:
|
| How to stop Firefox from making rogue connections
|
https://support.mozilla.org/en-US/kb...ic-connections
|

I think Ed Mullen misunderstood your question. That page
is about shutting off all the various functions that have
been added to make FF go online without asking. It's not
about blocking IP addresses.