Ports Used by cPanel/WHM
cPanel/WHM use the following ports for the management of dedicated servers and virtual private servers:
2082 cPanel TCP inbound
2083 cPanel SSL TCP inbound
2086 WHM TCP inbound
2087 WHM SSL TCP inbound
2089 cPanel license TCP outbound
2095 Webmail TCP inbound
2096 Webmail SSL TCP inbound
