Open Port
Port check confirms that a service responds on a specific host and port.
When to use
- Checking SSH, SMTP, databases, and other network services.
- When Ping is not sufficient and HTTP is not suitable.
When to choose another type
- Use HTTP when you need to verify page content.
- Use SSL when you need certificate expiry checks.
Form fields
| Field | Meaning | What to enter | Example |
|---|---|---|---|
| Name | Display name of the check. | What service and port you are validating. | HTTPS on primary server |
| Host | Server address to connect. | Specify domain name or IP. | mail.example.com |
| Port | Target port for the check. | Set the exact required port. | 443 |
| Timeout | How long to wait for connection. | Use a value with network delay margin. | 10 seconds |
| Interval | How often the check runs. | Set according to service importance. | 5 minutes |
When it becomes an issue
Issue appears if connection to the port cannot be established within timeout.