PRTG Network Monitor (DNSDC)

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Paessler Blog

When IT meets OT: A sysadmin's guide for container based monitoring with Paessler PRTG multi-platform probe

Remember when monitoring was simple? Just a bunch of servers and network switches to keep an eye on? Those were the days! But now, as a sysadmin, you're probably facing a new challenge: the convergence of IT and OT, along with the introduction of containerized environments and microservices architectures. Suddenly, you're not just watching servers and switches – you're dealing with PLCs, HMIs, and industrial sensors that speak languages like Modbus and OPC UA.

Paessler PRTG 2025 roadmap: Unified monitoring for your entire IT and OT infrastructure

Modern organizations face unprecedented challenges in managing their increasingly complex technology landscape. This includes not only traditional IT networks but also critical infrastructure, industrial control systems (ICS), and Operational Technology (OT) environments. You need complete visibility across all these areas to ensure uptime, optimize performance, and mitigate security risks. The Paessler team understands these interconnected challenges, and our 2025 roadmap for Paessler PRTG is designed to provide a unified monitoring solution that empowers your teams to be proactive, efficient, and secure.

The great device detective: Unmasking the network's hidden identities

Imagine you're in the busy precincts of the Metropolitan Police Department, but instead of solving a murder mystery, you're solving the case of the mysterious network device. Enter Martin Sanders, the charming and witty novelist turned detective consultant with a penchant for turning even the most mundane case into a thrilling adventure. At his side is the ever-astute Detective Lindsay Cameron, ready to solve any mystery, no matter how technical.

ITAM vs. ITSM - Marie Kondo and the butler

Hey sysadmins! 🧑‍💻 Picture this: In one corner we have ITAM (IT Asset Management), the meticulous librarian of the tech world, keeping track of every device like a helicopter parent monitoring the whereabouts of their teenager. In the other corner is ITSM (IT Service Management), the smooth-talking concierge of the digital hotel, making sure everyone's tech experience is five-star worthy.

Empowering managed service providers with our new Paessler MSP program

The role of managed service providers (MSPs) is more critical than ever, as businesses increasingly rely on efficient and proactive IT solutions. Recognizing the unique needs of MSPs, Paessler has launched the managed services partner (MSP) program, the initiative designed to help you scale your business while staying profitable and competitive.

Transition to the Script v2 sensor - your guide to advanced monitoring

The Script v2 sensor represents a step forward in monitoring flexibility and efficiency. As the successor to the Python Script Advanced sensor, it is designed to provide enhanced functionality, better integration, and a seamless experience for your custom monitoring needs.Let's find out what makes the Script v2 sensor a valuable addition to your Paessler PRTG monitoring installation, along with important details about transitioning from the Python Script Advanced sensor, which will be deprecated soon.

Passive monitoring vs. active monitoring

Hey sysadmins. In this article I'll look at two different approaches to network and system monitoring. We will examine active monitoring vs. passive monitoring, the differences between the two approaches, and why one cannot do without the other.

How to monitor the Synology DSM version using Paessler PRTG

In my previous two blog articles, I focused on Synology and monitoring key metrics such as overall system health, disk status, temperature, fan status, CPU, and memory. I also explained how to monitor disk usage in both gigabytes and percentage. Today, I'll show you how to monitor the operating system version of Synology. Let’s start with some basics.

Unlocking the secrets of network load balancer metrics: A guide for sysadmins who’ve seen a few logs in their day

Hello, fellow sysadmins! Whether you’re sipping your seventh coffee or recovering from the latest “urgent” Slack ping, let’s talk about something near and dear to our uptime-loving hearts: network load balancer metrics. Specifically, the ones that save our bacon when the network decides it’s that time of day.

Monitoring databases is vital – and with PRTG it's easy

As an experienced sysadmin, you know that your databases are one of the most important pillars of your IT infrastructure. Whether it’s financial and employee data in the ERP system or sensitive customer information in your CRM, virtually all structured data is stored in databases. If your database fails or gets breached, you could face major financial hits, disrupted operations, a tarnished reputation, and even legal troubles. In other words, your database directly impacts the performance and efficiency of your systems and applications. You should be using database monitoring tools to track key metrics and address potential performance problems before they escalate.

Sensor limit reached? Easily upgrade your PRTG license!

It's easy to underestimate how many sensors you'll need over time, especially if your network or application traffic grows unexpectedly. And, because we never want your networking monitoring to slow down when you reach your sensor limit, we make it easy to immediately upgrade your PRTG license via the Paessler Portal.

MTTD and MTTR: Key Metrics for Effective Incident Response

  Picture this: It's 3 AM, and your phone buzzes with yet another alert. As you groggily reach for your device, you wonder if this is another false alarm or a critical system failure that needs immediate attention. Sound familiar? For many system administrators, this scenario plays out far too often, leading to that dreaded phenomenon we all know as alert fatigue.

Understanding SNMP polling: A practical guide for sysadmins

Hello fellow sysadmins! Let's dive into the wonderful (and occasionally hair-raising) world of SNMP polling. If you've been in the field for a few years, you've probably wrestled with SNMP at some point. Whether it was configuring a Cisco router or troubleshooting a community string mismatch, SNMP can be both a lifesaver and a headache. But love it or hate it, it's essential to keeping our networks up and running. So let's break it down in a way that speaks to you as someone who's been in the trenches.

Introducing PRTG Data Hub: advanced log management for your IT infrastructure

We’re excited to announce the release of Paessler PRTG Data Hub, a product extension for Paessler PRTG that improves your log management and analysis. As IT environments produce more and more log data, it’s a crucial task to manage them effectively and keep everything secure, compliant and running smoothly. PRTG Data Hub solves some of the biggest challenges in IT operations, helping you handle logs more cost-effective, efficiently, stay compliant, and filter your data.  Let's take a look at how you can improve your log management processes. 

Paessler PRTG 24.4.102 is now available in the stable release channel!

The last PRTG release for 2024 is now available in the stable channel! This release includes the new SNMP Disk Free v2 and WMI Microsoft SQL Server 2022 sensors. It also introduces the experimental SNMP UPS Status, SSH Meminfo v2, SSH Load Average v2, and SSH Remote Ping v2 sensors, along with updates to the German and Spanish language files.

Thank you for using PRTG Network Monitor

You are using the Freeware version of PRTG Network Monitor. We're glad to help you cover all aspects of the current state-of-the-art network monitoring! PRTG Network Monitor enables you to monitor uptime, traffic, and bandwidth usage with only one tool. You can also create comprehensive data reports with the integrated reporting and analysis features. This makes PRTG a clear and simple monitoring solution for your entire network.

The software runs 24/7 to monitor your network. All you need is a computer with a Windows operating system. PRTG includes everything that you need in one installation, so you can start monitoring your network right away. The software records bandwidth and network usage and stores the data in an integrated, high-performance database. Add all the network devices that you want to monitor via an easy-to-use web-based user interface and configure sensors that retrieve the desired data. You can create usage reports and provide colleagues and customers access to data graphs and tables thanks to the convenient user management.

PRTG supports all common protocols to get network data: Simple Network Management Protocol (SNMP), Windows Management Instrumentation (WMI), Packet Sniffing, Cisco NetFlow and other vendor-specific flow protocols, as well as SSH, SOAP, and many other network protocols.

PRTG Network Monitor provides more than 200 sensor types so you can start monitoring your standard systems directly after installation. These include monitoring Ping times, HTTP pages, SMTP, POP3, and IMAP mail servers, FTP servers, Linux systems, and many other hardware components and network services. You can easily monitor the performance of your network permanently to recognize imminent outages before they occur. In the case of an error, you will immediately receive emails, SMS, or push messages. PRTG constantly records performance data and downtimes in the database so you can compile reports about performance, downtimes, and SLAs at any time.

The Freeware Edition of PRTG Network Monitor is completely free for personal and commercial use. If you want to complete your monitoring or if you have larger networks, use one of our Commercial Editions that provide you with a suitable license.

More about PRTG Network Monitor and Paessler - The Network Monitoring Company.

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