Super Hub settings and GREY WiFi icon on Nexus 7
I had a super hub installed a couple of weeks ago and after a day or so i ventured into the settings and noticed the engineer had set the firewall as OFF.
I did not like the look of this (as an android tablet does not have its own firewall). So, I set the firewall as HIGH and this seems to cause no problems with my laptop, however I notice the WiFi icon on the tablet is now GREY, The nexus 7 does have a fast internet connection, however it seems to be restricted in use, for eg google services like voice search no longer work and apps don't receive notifications. The same GREY icon shows with Firewall on MEDIUM, but it turns BLUE if I select FIREWALL LOW and then all functions work fine.
(1) What is causing the loss of full connection with the Super Hub firewall
(2) What is the difference in effect between LOW,MEDIUM and HIGH settings
thanks
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