starcraft II uses TCP and UDP. I have verified this by reviewing my firewall, I have not gone as far to take pcaps and see what packets are doing what but I tho

starcraft II uses TCP and UDP. I have verified this by reviewing my firewall, I have not gone as far to take pcaps and see what packets are doing what but I thought this was relevant enough to say. as the parent mentioned -- UDP where time is more important than reliability. I disagree with his last comment on building your own reliability -- use TCP for that. tcp/1119, udp/dynamic (listed app definitions for app-based firewall) some additiona blizzard info --> https://us.battle.net/support/en/article/configuring-router-and-firewall-ports https://us.battle.net/support/en/article/configuring-router-...