PRTG Manual: System Administration—Probes

To open system administration, select Setup | System Administration from main menu. Click on the tabs to change the different settings.

System Administration Tabs

System Administration Tabs

You can define the following aspects of your PRTG system setup:

In the probe management settings you can define the settings for probe connections.

Probes Settings

Note: This documentation refers to the PRTG System Administrator user accessing the Ajax interface on a master node. For other user accounts, interfaces, or nodes, not all of the options might be available as described. When using a cluster installation, failover nodes are read-only by default.

Probe Connection Settings

Access Keys

Enter a list of access keys, one in each line. Every (remote) probe that want to connect to this PRTG installation has to use one of these keys. For information how to set this key for a probe, please see PRTG Probe Administrator (Probe Settings) section.

Allow IPs

Enter a list of remote probe IPs that will be accepted when connecting to this PRTG installation; each IP address in one line. The local probe (127.0.0.1) is always allowed automatically. Allowed IPs are checked first (before denied IPs). You can use PRTG's syntax for IP address ranges here (for information about the syntax please see Define IP Ranges section).

  • [Empty]: An empty field does not allow any remote probes (but only the local probe). Please enter IP addresses to allow remote probe connections.
  • any: Enter the word any to automatically allow all remote probe connections. Note: This is recommended for use in Intranets only!

Note: If the IP address of your remote probe changes regularly (e.g. due to an internet provider assigning IP addresses dynamically), please enter the potential IP range for this remote probe or use the any option.

Deny IPs

Enter a list of remote probe IPs that will not be accepted when connecting to this PRTG installation; each IP address in one line. This is useful to explicitly deny connections from certain remote probes you do not want to include in your setup any more (e.g. for a certain time). Access to IP addresses allowed above will be denied if you enter them here. This is useful to allow access to an IP range in the field above, but deny access to a single IP address. You can use PRTG's syntax for IP address ranges here (see Define IP Ranges section).

Settings from the PRTG Server Administrator program

IPs for Probe Connections

This is a list of the IP addresses on which the PRTG listens to incoming probe communication. 0.0.0.0 means that the server listens on all local network adapter IPs. This setting is shown for your information only and cannot be changed here. To change this setting, please use the PRTG Server Administrator.

Probe Connections Port

This is the port on which PRTG listens to incoming probe communication. This setting is shown for your information only and cannot be changed here. To change this setting, please use the PRTG Server Administrator.

Click on the Save button to store your settings. If you change tabs or use the main menu, all changes to the settings will be lost!

Remote Probe Setup

Find more information about setting up remote probes in the Multiple Probes and Remote Probes section.

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Setup—Topics

Others

There are some settings that have to be made in the System Administration Tools, available as native Windows applications. For more details, please see sections:

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Keywords: Probe Connection,Configure,Configure Probe