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Technicolor router firewall

cgrainbird
Newbie
Posts: 1
Registered: 27-08-2012

Technicolor router firewall

My home computer is an iMac and I have a 'remote' or 'headless' MacMini operating my music system in a downstairs room - this is a wi-fi connection.
Ever since switching my broadband supplier to PlusNet I have lost the screen share capability on this Apple system - in other words the iMac no longer recognises the MacMini. Could this be due to the inbuilt firewall setup on the Technicolor router?
Hoping that somebody can help.