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Usually monitors one measured value in your network, for example the traffic of a switch port, the CPU load of a server, or the free space on a disk drive. On average, you need about 5-10 sensors per device or one sensor per switch port. PRTG: The multi-tool for sysadminsAdapt PRTG individually and dynamically to your needs and rely on a strong API:HTTP API: Access monitoring data and manipulate monitoring objects via HTTP requestsCustom sensors: Create your own PRTG sensors for customized monitoringCustom notifications: Create your own notifications and send action triggers to external systemsREST Custom sensor: Monitor almost everything that provides data in XML or JSON format We asked: would you recommend PRTG? Over 95% of our customers say yes!Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have. Still not convinced? More than 500,000 sysadmins love PRTG Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier. Monitor your entire IT infrastructure Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network. Try Paessler PRTG for free Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start monitoring your data center power consumption with PRTG and see how it can make your network more reliable and your job easier. PRTGNetwork Monitoring Software - Version 25.1.102.1373 (January 9th, 2025)HostingDownload for Windows and cloud-based version PRTG Hosted Monitor availableLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified ChinesePricingUp to 100 sensors for free (Price List)Unified MonitoringNetwork devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and moreSupported Vendors & ApplicationsMore Discover more monitoring insights and stories

Port. PRTG: The multi-tool for sysadminsAdapt PRTG individually and dynamically to your needs and rely on a strong API:HTTP API: Access monitoring data and manipulate monitoring objects via HTTP requestsCustom sensors: Create your own PRTG sensors for customized monitoringCustom notifications: Create your own notifications and send action triggers to external systemsREST Custom sensor: Monitor almost everything that provides data in XML or JSON format We asked: would you recommend PRTG? Over 95% of our customers say yes!Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have. Still not convinced? More than 500,000 sysadmins love PRTG Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier. Monitor your entire IT infrastructure Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network. Try Paessler PRTG for free Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start monitoring IP SLAs with PRTG and see how it can make your network more reliable and your job easier. PRTGNetwork Monitoring Software - Version 25.1.102.1373 (January 9th, 2025)HostingDownload for Windows and cloud-based version PRTG Hosted Monitor availableLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified ChinesePricingUp to 100 sensors for free (Price List)Unified MonitoringNetwork devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and moreSupported Vendors & ApplicationsMore Discover more monitoring insights and stories

Or one sensor per switch port. PRTG: The multi-tool for sysadminsAdapt PRTG individually and dynamically to your needs and rely on a strong API:HTTP API: Access monitoring data and manipulate monitoring objects via HTTP requestsCustom sensors: Create your own PRTG sensors for customized monitoringCustom notifications: Create your own notifications and send action triggers to external systemsREST Custom sensor: Monitor almost everything that provides data in XML or JSON format We asked: would you recommend PRTG? Over 95% of our customers say yes!Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have. Still not convinced? More than 500,000 sysadmins love PRTG Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier. Monitor your entire IT infrastructure Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network. Try Paessler PRTG for free Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start monitoring network performance with PRTG and see how it can make your network more reliable and your job easier. PRTGNetwork Monitoring Software - Version 25.1.104.1946 (March 18th, 2025)HostingDownload for Windows and cloud-based version PRTG Hosted Monitor availableLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified ChinesePricingUp to 100 sensors for free (Price List)Unified MonitoringNetwork devices, bandwidth, servers, applications, virtual

In over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have. Still not convinced? More than 500,000 sysadmins love PRTG Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier. Monitor your entire IT infrastructure Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network. Try Paessler PRTG for free Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start monitoring Windows processes with PRTG and see how it can make your network more reliable and your job easier. PRTGNetwork Monitoring Software - Version 25.1.102.1373 (January 9th, 2025)HostingDownload for Windows and cloud-based version PRTG Hosted Monitor availableLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified ChinesePricingUp to 100 sensors for free (Price List)Unified MonitoringNetwork devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and moreSupported Vendors & ApplicationsMore Discover more monitoring insights and stories

Of them: Out-of-the-box compatibility with the main firewall vendors on the market The capability to monitor & analyze many different parameters in one tool A centralized display of information from many sensors for better observability Customizable alerts and automated notifications when alerts are triggered Native and automated reporting features for different target audiences What is a sensor in PRTG?In PRTG, “sensors” are the basic monitoring elements. One sensor usually monitors one measured value in your network, for example the traffic of a switch port, the CPU load of a server, or the free space on a disk drive. On average, you need about 5-10 sensors per device or one sensor per switch port. PRTG: The multi-tool for sysadminsAdapt PRTG individually and dynamically to your needs and rely on a strong API:HTTP API: Access monitoring data and manipulate monitoring objects via HTTP requestsCustom sensors: Create your own PRTG sensors for customized monitoringCustom notifications: Create your own notifications and send action triggers to external systemsREST Custom sensor: Monitor almost everything that provides data in XML or JSON format We asked: would you recommend PRTG? Over 95% of our customers say yes!Paessler conducted trials in over 600 IT departments worldwide to tune its network monitoring software closer to the needs of sysadmins. The result of the survey: over 95% of the participants would recommend PRTG – or already have. Still not convinced? More than 500,000 sysadmins love PRTG Paessler PRTG is used by companies of all sizes. Sysadmins love PRTG because it makes their job a whole lot easier. Monitor your entire IT infrastructure Bandwidth, servers, virtual environments, websites, VoIP services – PRTG keeps an eye on your entire network. Try Paessler PRTG for free Everyone has different monitoring needs. That’s why we let you try PRTG for free. Start analyzing your firewall devices with PRTG and see how it can make your network more reliable and your job easier. PRTGNetwork Monitoring Software - Version 25.1.104.1946 (March 18th, 2025)HostingDownload for Windows and cloud-based version PRTG Hosted Monitor availableLanguagesEnglish, German, Spanish, French, Portuguese, Dutch, Russian, Japanese, and Simplified ChinesePricingUp to 100 sensors for free (Price List)Unified MonitoringNetwork devices, bandwidth, servers, applications, virtual environments, remote systems, IoT, and moreSupported Vendors & ApplicationsMore Discover more monitoring insights and stories

To see optional downloads, select Setup | Optional Downloads from the main menu bar. Click a tab to switch between different options.Optional Downloads TabsIn this section:PRTG Apps PRTG MultiBoardRemote ProbesPRTG AppsTo monitor your network while on the go, use our free PRTG apps for smartphones and tablets. They run on iOS and Android.For more information, see section PRTG Apps for Mobile Network Monitoring.For more information about PRTG for iOS and PRTG for Android, see the Paessler website: PRTG apps for iOS or Android.PRTG MultiBoardDownload PRTG MultiBoard to your system. You can run it on Windows, macOS, or Linux to manage one or several independent PRTG core servers or PRTG Hosted Monitor instances with a native, cross-platform application.For more information, see section PRTG MultiBoard.Remote ProbesWith remote probes, you can extend your monitoring to distributed networks that are not directly reachable from your PRTG core server system. The version of the classic remote probe installer must match your version of PRTG, so it is a good idea to download it from here.For more information, see section Install a Remote Probe.For more information about the multi-platform probe, see the manual: Multi-Platform Probe for PRTG.MorePAESSLER WEBSITEPRTG MultiBoard app for desktop PRTG apps for iOS or Android OthersThere are some settings that you must define in the PRTG Administration Tool. For more information, see sections:PRTG Administration Tool on PRTG Core Server Systems PRTG Administration Tool on Remote Probe Systems