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 Review3.5
★
★
★
★
★
5 reviews
Rating Breakdown
Ease of Use
★
★
★
★
★
2.6
Features
★
★
★
★
★
4.2
Value for Money
★
★
★
★
★
3.8
Customer Support
★
★
★
★
★
3.0
Overall Experience
★
★
★
★
★
3.4
Recent Reviews
mthomas5561
Mar 10, 2026
★
★
★
★
★
Essential tool for network visibility
As a network administrator, ntop has become my go-to for real-time traffic monitoring. It quickly identifies bandwidth-heavy applications and devices, which has saved me countless hours troubleshooting. Being open-source means I can customize it for our specific needs without breaking …
mwhite9090
Mar 09, 2026
★
★
★
★
★
Complex Setup, Minimal Payoff for Basic Network Monitoring
I tried using ntop to monitor traffic on my small office network, hoping to identify bandwidth issues. The installation was surprisingly difficult on Ubuntu, requiring multiple dependencies and manual configuration that took me hours to get right. Even after setup, …
olivia_harris40
Mar 09, 2026
★
★
★
★
★
Essential Tool for Network Visibility
ntop has been invaluable for monitoring our office network in real-time. It quickly identifies which devices or applications are consuming excessive bandwidth, which has made troubleshooting network slowdowns much faster. While the interface can feel a bit dated, the depth …
dakota_white20
Mar 07, 2026
★
★
★
★
★
Essential Tool for Network Visibility
As a network administrator, ntop has become an indispensable part of my toolkit for monitoring our company's traffic. The real-time visualization and detailed protocol breakdown make it easy to spot unusual activity and identify which applications are consuming bandwidth. While …
S
smartin212
Mar 05, 2026
★
★
★
★
★
Clunky and Confusing - Not Worth the Hassle
Setting up ntop was a nightmare with outdated documentation, and the web interface feels like something from the early 2000s. The real-time data is often delayed or incomplete, making it unreliable for actually troubleshooting network issues. For an open-source tool, …
Rating Distribution
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