Trellix Agent uses specific ports to connect to ePO - On-prem.
Ports | Protocols | Traffic direction |
|---|---|---|
8081 | TCP | Inbound connection from ePO - On-prem or Agent Handler. Peer-to-peer server serves content, Relay connections established. |
8082 | UDP | Inbound connection to Trellix Agent. Peer-to-peer server discovery, RelayServer discovery. |
8083 | UDP | RelayServer for previous versions of Trellix Agent. |
If peer-to-peer service and RelayServer are disabled, these ports are not open.
Note: For information about the ports used by ePO - On-prem for communicating through a firewall, see KB66797.