GuardYak Docs

How to monitor a TCP port in GuardYak

Not everything you run answers on a web page. A TCP port check opens a connection to a host and port, such as a database, game server or VPN, and alerts you when it stops accepting connections.

Before you start

  • A GuardYak account (every check type is available on the free plan)

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Transcript

Know when a service stops accepting connections, even if it has no web page. Here's how to monitor a TCP port in GuardYak.

Start a new check and choose TCP Port.

Name the check, then enter the host and the port number. If the connection takes longer than the timeout, the check counts as failed.

Select Next, then add the email address that should hear about problems.

Select Review, check the summary, and create it. The new check joins your list, and GuardYak starts checking on its next run.

Steps

  1. Choose the check type ▶ 0:10

    In Checks, select + New check, then select TCP Port.

    New check page with the TCP Port check type highlighted

  2. Fill in the details ▶ 0:13

    Enter a Check name, the Host and the Port. Set Timeout (seconds) if the service is slow to accept connections.

    Configure step for a TCP Port check with its fields filled in

  3. Choose who gets alerts ▶ 0:23

    Select Next. Under Address, enter the email that should receive alerts.

    Notify step with an email address entered for alerts

  4. Create the check ▶ 0:28

    Select Review, check the summary, then select Create check. The new check appears on Checks.

    Checks list showing the new Database port check
ResultThe check appears on Checks with its host and port as the target.

Next steps

Updated 2026-11-03