Please!
which firewall is better to use with avast
s
Giba
Welcome to the forums, gybasystem. 
Using the Search button at the top of the page & searching for Firewalls will give you many results.
I personally like Zone Alarm Free but many here also use Kerio, Comodo, OutPost, and several other firewalls.
I hope this helps you.
Please come back often, learn more, and maybe help others.
I think Kerio is great but watch the ad blocking & cookie control slows bandwidth but it’s light on the system. Outpost is too much IMHO…I’d say Tiny but CA purchased them so like sygate if they aren’t gone they will be…