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.
| Scenario Description | Direction | Protocol/Application | Port |
|---|---|---|---|
| Accessing CBH Instances through a web browser (HTTPS) | Inbound | TCP | 443 |
| Accessing CBH instances through SSH clients | Inbound | TCP | 2222 |
| Accessing CBH instances through FTP clients | Inbound | TCP | 20~21 |
| Remotely accessing Linux ECSs of CBH instances over SSH clients | Inbound | TCP | 22 |
| Remotely accessing Windows ECSs of CBH instances over the RDP Protocol | Inbound | TCP | 3389 |
| Accessing Oracle databases through CBH instances | Inbound | TCP | 1521 |
| Accessing MySQL databases through CBH instances | Inbound | TCP | 33306 |
| Accessing SQL Server databases through CBH instances | Inbound | TCP | 1433 |
| Accessing DB2L databases through CBH instances | Inbound | TCP | 50000 |
| License servers | Outbound | TCP | 9443 |
| HUAWEI 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 | 8061 and 80 |
| Domain name resolution service | Outbound | UDP | 53 |
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