Create/ Edit Service Test - Port Checker Page

Use this page to define a Port Checker service test. Use this test to determine whether a network client can make connections to a set of ports on a given host.

Field	Description
Host	The name of host on which the ports are being tested.
Expected Open Ports	The set of ports that are expected to be open. The format is as follows: 0-79, 81-1023.
Expected Closed Ports	The set of ports that are expected to be closed. The format is as follows: 0-79, 81-1023.
Number of Retries	The maximum number of retries that can be made on the ports expected to be open.
Test SSL Handshake	Indicates whether a SSL connection should be attempted. Note: To monitor a site via SSL, the certificate must be in the agent's monitoring wallet. Most certificates that have been properly signed are accepted by default. But in some cases, the user may need to add the certificate to the agent's monitoring wallet.
Retry Interval	This is the interval between consecutive retries.
Connection Timeout	This is the amount of time that the agent will wait for a connection to complete. If the timeout expires, then the port will be considered closed.

Metrics Collected

Metric	Description
Status	Indicates that the agent could successfully connect to the ports Expected Open Ports and that the agent could not connect to the Expected Closed Ports.
Unexpectedly Open Ports	Set of ports that were unexpectedly open. User Action If you have a firewall blocking these ports, check your firewall configuration.
Unexpectedly Closed Ports	Set of ports that were unexpectedly closed. User Action Check that there is no firewall blocking these ports. Check that the server listening on these ports is up.

Metric

Description

Status

Indicates that the agent could successfully connect to the ports Expected Open Ports and that the agent could not connect to the Expected Closed Ports.

Unexpectedly Open Ports

Set of ports that were unexpectedly open.

User Action
If you have a firewall blocking these ports, check your firewall configuration.

Unexpectedly Closed Ports

Set of ports that were unexpectedly closed.

User Action
Check that there is no firewall blocking these ports. Check that the server listening on these ports is up.

Related Topics

About Services

Types of Service Tests

Creating a Service

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