TCP Port Monitor

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TCP Port Monitor

You can monitor any valid TCP port using a TCP Port Monitor item. Because the ELM Server (and not an Agent) makes the actual connection to the port, you can monitor TCP port availability on any operating system (e.g., Unix, Linux, Novell, Solaris, Windows, etc.), provided that you have TCP/IP connectivity to that system from the ELM Server. Each TCP Port Monitor can poll a single port.


TCP Port Monitor Settings

TCP Port - The TCP port you want to monitor.

Warn if QoS slower than __ seconds - You may monitor the port's response time. By specifying a value for this field, a warning message will be generated whenever the response from the port exceeds the threshold you specify here.

Execute configured Action(s) for every failure - By default, ELM will notify you only the first time the port is unavailable. Check this box to have a message sent for each interval that the port is unavailable.



Failed (Error) 5521 - The connection to the TCP port could not be made.

Success (Informational) 5522 - The connection to the TCP port could be made.

Quality of Service Warning (Warning) 5523 - The connection to the TCP port took longer than the Quality of Service time period.

Monitory Category

Displays the Monitoring Categories to which the Monitor item is assigned. Click to select or deselect Monitoring Categories. Click New to create or Properties to Edit Monitoring Categories.


Displays the Agents to which the Monitor item is assigned.  Click to select or deselect individual agents. Click New to deploy an agent or Properties to View/Edit an existing agent.


Displays the Scheduled Interval and Scheduled Hours settings which control the frequency for the Monitor Item.

Scheduled Interval tab

Specify the interval at which the monitoring, polling or action is to occur. Depending on the Monitor Item type, Items can be scheduled in interval increments of Seconds, Minutes, Hours and Days. The Scheduled Interval is relative to the top of the hour or top of the minute. For example, if a Scheduled Interval is configured for 10 minutes, the Monitor Item will execute at hh:10:00, hh:20:00, hh:30:00, hh:40:00, hh:50:00, h1:00:00, etc. If a Scheduled Interval is configured for 15 seconds, the Monitor Item will execute at hh:00:15, hh:00:30, hh:00:45, hh:01:00, hh:01:15, etc.

Scheduled Hours tab

Select the days and/or hours this item is active. By default, the schedule is set to ON for all hours and all days. Mouse clicks toggle squares between ON and OFF. Clicking on an individual square will toggle the active schedule for that hour. Clicking on an hour at the top of the grid, or on a day of the week at the left of the grid will toggle the corresponding column or row. Keyboard equivalents are the arrow keys and the space bar.