Port availability
The script checks that required ports are open and available to Vertica.
	The install_vertica script checks that required ports are open and available to Vertica. The installer reports any issues with identifier N0020.
The following table lists the ports required by Vertica.
| Port | Protocol | Service | Notes | 
|---|---|---|---|
| 22 | TCP | sshd | Required by Administration tools and the Management Console Cluster Installation wizard. | 
| 5433 | TCP | Vertica | Vertica client (vsql, ODBC, JDBC, etc) port. | 
| 5434 | TCP | Vertica | Intra- and inter-cluster communication. Vertica opens the Vertica client port +1 (5434 by default) for intra-cluster communication, such as during a plan. If the port +1 from the default client port is not available, then Vertica opens a random port for intra-cluster communication. | 
| 5433 | UDP | Vertica | Vertica spread monitoring and MC cluster import. | 
| 5444 | TCP | Vertica Management Console | MC-to-node and node-to-node (agent) communications port. See Changing MC or agent ports. | 
| 5450 | TCP | Vertica Management Console | Port used to connect to MC from a web browser and allows communication from nodes to the MC application/web server. See Connecting to Management Console. | 
| 4803 | TCP | Spread | Client connections. | 
| 8443 | TCP | HTTPS | Reserved. | 
| 4803 | UDP | Spread | Daemon to daemon connections. | 
| 4804 | UDP | Spread | Daemon to daemon connections. | 
| 6543 | UDP | Spread | Monitor to daemon connection. |