You can read the full report here: http://www.gfi.com/blog/top-10-free-tools-for-network-monitoring-and-analysis-video/

We know that as a system administrator you
Stein to find tools that will make your life easier. Our guide to the 10 best free network monitoring and analysis tools will help you do just that!

http://www.wireshark.com

Wireshark is the first on our list, a network protocol analyzer and
Capture program. Captured data can easily be sent to another application for analysis or filtered within WireShark itself.

http://pandorafms.com/?lngen

If you want to keep an eye on your servers, applications and communications, Pandora FMS is for you. It can be configured to create alerts and send notifications to administrators when certain events occur.

http://angryip.org

Angry IP Scanner scans IP addresses and ports, finds live hosts and provides you with information about them.

http://microsoft-network-monitor.en.softonic.com

If you want to capture packet data to analyze network traffic, use Microsoft Network Monitor. It supports over three hundred public and proprietary Microsoft protocols, as well as a wireless monitoring mode.

http://www.telerik.com/fiddler

Fiddler captures HTTP between computers and the Internet to help with debugging. You'll see inbound and outbound data, including encrypted HTTPS traffic, so you can test the performance of your website or the security of your web applications.

http://www.netresec.com/?pageNetworkMiner

Network Miner is a network forensic analysis tool used to capture packets and then extract files and images from this data so that you can reconstruct your users' actions.

http://www.colasoft.com/capsa-free/

Another tool for monitoring, troubleshooting and analyzing network traffic is Capsa Free. Not only does it have over 300 protocols and the ability to create and customize them, but its dashboard also allows you to view a summary of traffic stays, TCP/UDP conversations and packet analysis.

http://www.softinventive.com/products/total-network-monitor/

Total Network Monitor monitors your hosts and services and notifies
You when something needs your attention. The colorful interface tells you at a glance what's wrong.

http://www.xirrus.com/Products/Network-Management-and-Software/Network-Management/Wi-Fi-Inspector

And don’t miss the Xirrus Wi-Fi Inspector, which manages connections,
locates devices, detects fraudulent access points, and performs connection and speed quality tests.

http://www.zenoss.org

Finally, Zenoss Core keeps an eye on your applications, servers, storage, networks and virtualization and offers you
Performance and availability statistics. It also has an advanced notification system.

With the enormous pressure on IT departments, can you afford not to take advantage of all the free help you can get?

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