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.

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