Knowledgebase What ports do I need open in able to connect to an Abacast Stream? Home Article ID: 000029 Rating: 3.4 / 5.0 (150 votes) Problem Below is a list of ports that the Abacast Client may use at any given time. Solution Outgoing TCP: 80 (HTTP), 4000-4100, 4500, and 9000-9100 Incoming TCP: 4000-4100 Rating Did you find this article helpful? Yes No