Windows 10 Block all TCP and UDP port and allow some port

Question

I would like to block all tcp & UDP ports Except port 53 443 how would I do that in windows firewall

Answer 1

Hello @ kent lee 

As I know, you will need create 4 rules: two inbound rules (one for TCP traffic and one for UDP traffic) and two outbound rules (one for TCP traffic and one for UDP traffic).

When you creating the rule just choose ’block the connection ’ will work.