FIREWALL PREVENTS MY SYSTEM FROM BROADCASTING

Please I need help on how to make my firewall allow my system broadcast as a hotspot without turning off the firewall. Thanks

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what happens…error messages etc, etc…

I am trying to connect my Samsung tab to the internet using the wireless of my laptop through intel my wifi. The tab connects but I’m unable to browse the internet unless I turn off the avast firewall. But I know turning off firewall is dangerous so I need an alternative to turning off the firewall