Ntop
ntop is an open source network traffic monitoring and analysis tool. It provides real-time information on network usage and helps identify bandwidth hogs and troubleshoot network issues.
ntop: Open Source Network Traffic Monitoring and Analysis Tool
ntop is an open source network traffic monitoring and analysis tool. It provides real-time information on network usage and helps identify bandwidth hogs and troubleshoot network issues.
What is Ntop?
ntop is an open source software that allows for real-time monitoring and analysis of network traffic. It captures packet data from the network and organizes it to provide detailed bandwidth usage and statistics. Some key features of ntop include:
- Easy visualization of which hosts and applications are generating the most traffic
- Identification of anomalous traffic that may indicate issues or security threats
- Breakdown of traffic by protocol, packets flows, sender/receiver, and more
- Collection of rich network data including host details, DNS traffic, geo-location, and conversational flows between endpoints
- Web-based interface for viewing reports and graphs on traffic analysis
- Customization with plugins to extend functionality including additional reports, alerts, or data exports
- Scalability to monitor links up to 10 Gbps speed
In summary, ntop provides powerful real-time analytics of network traffic for purposes like traffic engineering, security analysis, capacity planning, and identifying high-bandwidth applications or hosts. The visualization and customization it provides allows network administrators to quickly gain insights from monitoring network traffic.
Ntop Features
Features
- Real-time network traffic monitoring
- Flow analysis and accounting
- Top talkers and application usage statistics
- Network traffic visualization
- Supports sFlow, NetFlow, and other flow technologies
- Web-based interface for remote access
- Customizable dashboards and reporting
- Alerting and notifications
- Integration with 3rd party software via REST API
Pricing
- Open Source
Pros
Open source and free
Easy to install and configure
Web-based interface works across platforms
Scales to monitor large networks
Customizable dashboards and reporting
Integrates with other monitoring tools
Cons
Can be resource intensive for very large networks
Limited support options
Web interface can be slow on low powered systems
Steep learning curve for some advanced features
Official Links
Reviews & Ratings
Login to Review4.0
★
★
★
★
★
22 reviews
Rating Breakdown
Ease of Use
★
★
★
★
★
3.2
Features
★
★
★
★
★
4.6
Value for Money
★
★
★
★
★
4.4
Customer Support
★
★
★
★
★
3.1
Overall Experience
★
★
★
★
★
4.1
Recent Reviews
David Walker
Jun 03, 2026
★
★
★
★
★
Essential Tool for Network Visibility
As a small business admin, ntop has been a game-changer for managing my network. It quickly shows me which devices or applications are consuming the most bandwidth, making it easy to spot problems. The real-time graphs and historical data have …
Casey King
Jun 02, 2026
★
★
★
★
★
Frustratingly Complex and Unreliable
Despite its reputation as a powerful tool, ntop proved to be incredibly difficult to set up and maintain. The web interface feels clunky and outdated, and it frequently crashed or stopped updating data without warning, making real-time monitoring impossible when …
Casey Thomas
May 31, 2026
★
★
★
★
★
Frustratingly Complex for Basic Monitoring
As someone who just needed a straightforward tool to monitor network traffic, ntop proved to be a real headache. The documentation felt like it was written for veteran network engineers, making basic setup and configuration a nightmare. While it's free, …
Reese Hall
May 29, 2026
★
★
★
★
★
Essential Tool for Network Visibility
As a network admin, ntop has been a game-changer for monitoring our infrastructure. It provides crystal-clear, real-time insights into traffic patterns and helped us quickly pinpoint a misconfigured device that was hogging bandwidth. Being open-source makes it incredibly cost-effective, and …
Olivia Chen
May 23, 2026
★
★
★
★
★
Essential Free Tool for Network Visibility
ntop has been a cornerstone of our network monitoring for years. It's incredibly lightweight but powerful, giving us immediate insight into who or what is consuming bandwidth on our network. The real-time traffic breakdowns have saved us countless hours troubleshooting …
Rating Distribution
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