How Can I Configure Ports for a CBH Instance?

To properly use CBH, configure the instance and resource security group ports by referring to Table 1.

**Table 1** Inbound and outbound rule configuration reference
Scenario Description	Direction	Protocol/Application	Port
Accessing CBH through a web browser (HTTP and HTTPS)	Inbound	TCP	80, 443, and 8080
Accessing a CBH system through Microsoft Terminal Services Client (MSTSC)	Inbound	TCP	53389
Accessing a CBH Instance Through an SSH Client	Inbound	TCP	2222
Accessing CBH instances through FTP clients	Inbound	TCP	20~21
Remotely accessing Linux ECSs of CBH instances over SSH clients	Outbound	TCP	22
Remotely accessing Windows ECSs of CBH instances over the RDP Protocol	Outbound	TCP	3389
Accessing Oracle databases through CBH instances	Inbound	TCP	1521
Accessing Oracle databases through CBH instances	Outbound	TCP	1521
Accessing MySQL databases through CBH instances	Inbound	TCP	33306
Accessing MySQL databases through CBH instances	Outbound	TCP	3306
Accessing SQL Server databases through CBH instances	Inbound	TCP	1433
Accessing SQL Server databases through CBH instances	Outbound	TCP	1433
Accessing DB databases through CBH instances	Inbound	TCP	50000
Accessing DB databases through CBH instances	Outbound	TCP	50000
Accessing GaussDB databases through CBH	Inbound	TCP	18000
Accessing GaussDB databases through CBH	Outbound	TCP	18000
License servers	Outbound	TCP	9443
Cloud services	Outbound	TCP	443
Accessing a CBH system through the SSH client in the same security group	Outbound	TCP	2222
SMS service	Outbound	TCP	10743 and 443
Domain name resolution service	Outbound	UDP	53
Accessing PGSQL databases through CBH	Inbound	TCP	15432
Accessing PGSQL databases through CBH	Outbound	TCP	5432