PRTG Manual: Port v2 Sensor
The Port v2 sensor monitors a network service by connecting to one or more of its TCP/IP ports.
Depending on your settings, the sensor can alert you either when the monitored port is open or when it is closed.
This sensor is in beta status. The operating methods and the available settings are still subject to change. Do not expect that all functions work properly, or that this sensor works as expected at all.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
- Dutch: Port v2
- French: Port v2
- German: Port v2
- Japanese: ポート v2
- Portuguese: Porta v2
- Russian: Порт v2
- Simplified Chinese: Port v2
- Spanish: Puerto v2
- This sensor requires that the Beta Sensors experimental feature is enabled.
- This sensor supports IPv6.
- This sensor has a very low performance impact.
Known Issues
- The sensor shows the Unknown status if a sensor scan was executed during the scan of the
- If this issue occurs, reduce the list of monitored ports or increase the Scanning Interval of the sensor. The scan of each port takes about two seconds. For example, if you monitor the ports 1-900, the sensor needs around 1,800 seconds (30 minutes) to complete the port list.
Requirement |
Description |
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This sensor requires that the Beta Sensors experimental feature of PRTG is enabled.
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Setting |
Description |
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Goal |
Define how the sensor reports on the ports:
|
Setting |
Description |
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Sensor Name |
Enter a name to identify the sensor. By default, PRTG shows this name in the device tree, as well as in alarms, logs, notifications, reports, maps, libraries, and tickets.
|
Parent Tags |
The tags that the sensor inherits from its parent device, parent group, and parent probe.
|
Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, a comma, or the Enter key. You can use tags to group objects and use tag-filtered views later on. Tags are not case-sensitive. Tags are automatically inherited.
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
|
Priority |
Select a priority for the sensor. This setting determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Setting |
Description |
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Timeout (Sec.) |
Enter a timeout in seconds for the request. Enter an integer. The maximum timeout value is 900 seconds (15 minutes).
|
Port-by-Port Delay (ms) |
Define how long the sensor waits before it tries to connect to the next port. The maximum delay value is 100 ms. |
Port List |
Enter the port numbers that the sensor tries to connect to. Enter one port number per line. PRTG supports the port numbers 1 - 65535. You can also specify port ranges by using A-B, for example 8080-8090. Enter an integer. |
Setting |
Description |
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Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available for this sensor.
|
Graph Type |
Define how different channels are shown for this sensor:
|
Stack Unit |
This setting is only visible if you select Stack channels on top of each other above. Select a unit from the list. All channels with this unit are stacked on top of each other. By default, you cannot exclude single channels from stacking if they use the selected unit. However, there is an advanced procedure to do so. |
Setting |
Description |
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Result Handling |
Define what PRTG does with the sensor result:
|
By default, all of these settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
This sensor has a fixed minimum scanning interval for performance reasons. You cannot use a shorter scanning interval. Consequently, shorter scanning intervals in the Monitoring settings are not available for this sensor.
The minimum scanning interval of this sensor is 1 minute.
The recommended scanning interval of this sensor is 5 minutes.
For more information, see section Root Group Settings, section Scanning Interval.
Schedules, Dependencies, and Maintenance Window
You cannot interrupt the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
For more information, see section Root Group Settings, section Schedules, Dependencies, and Maintenance Window.
For more information, see section Root Group Settings, section Access Rights.
Which channel units are available depends on the sensor type and the available parameters. If no configurable channels are available, this field shows No configurable channels.
For more information, see section Root Group Settings, section Channel Unit Configuration.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
---|---|
Closed Ports |
The number of closed ports |
Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status |
Errors |
The number of errors
|
Maximum Connect Time |
The maximum time until a request to connect to a port was accepted
|
Open Ports |
The number of open ports |
KNOWLEDGE BASE
What are beta sensors and how can I use them?
What security features does PRTG include?