Five free, dead- easy IP traffic monitoring tools. Monitoring your network can be a real pain. First and foremost, what tool should you use? Everyone you ask will give you a different answer. Each answer will reflect a different set of requirements and, in some cases, fill completely different needs. Here are the five network monitors I prefer, based on two criteria: They're free (as in cost) and easy to use. Capsa Free network analyzer. best FREE Network Analysis tool for network. Capsa Free is a network analyzer that allows you to monitor network traffic. How to capture network traffic with Network Monitor Email. choose the Next button at the top of this window for more instructions. Freeware Network Monitoring. Network Monitoring Freeware. Venea NetTraffic enables you to monitor network data traffic and view statistics. Network Traffic Monitor shows you which process in your machine are causing TCP or IP network traffic. Network Traffic Monitor shows you which. Top Freeware. Network Traffic Monitor is the. those who want to keep an eye on their network. The best thing is definitely that it's. top alternatives FREE. You might not agree with the choices, but at the price point, you'd be hard pressed to find better solutions. Wireshark. Wireshark (Figure A) has always been my go- to monitor. When most other monitors fail to find what I want, Wireshark doesn't let me down. Wireshark is a cross- platform analyzer that does deep inspection of hundreds of protocols. It does live capture and capture save (for offline browsing), which can be viewed in GUI or tty mode. Wireshark also does Vo. IP analysis and can read/write many capture formats (tcpdump, Pcap NG, Catapult DCT2. Cisco Secure IDS iplog, Microsoft Network Monitor, and many more). Figure A2: Angry IP Scanner. Angry IP Scanner (Figure B) is one of the easiest to use of all the IP scanners. It has a user- friendly GUI that can scan IP addresses (and their ports) in any range. Angry IP Scanner is cross platform and doesn't require installation, so you can use it as a portable scanner. It can get Net. BIOS information, favorite IP address range, Web server detection, customizable openers, and much more. This little scanner makes use of mutlithreads, so it's going to be fairly fast. Source code is available on the download page. Figure B3: Zenmap. Zenmap (Figure C) is a graphical front end to the cross- platform Nmap tool. Nmap can scan huge networks, is portable, free, and well documented. It's one of the most powerful IP traffic monitors, but that power comes with a price: complexity. Zenmap takes Nmap and makes it more accessible to users who prefer to avoid the command line. That does not mean Zenmap is the easiest of the lot. You still need to use some commands. But Zenmap offers a powerful wizard- like tool to help you through the process. Figure C4: Colasoft Capsa Free. If you're an admin used to more Windows- like tools, Capsa Free (Figure D) might be the perfect tool for you. There are actually two versions of Capsa: paid and free. The free version should be enough in most cases. It provides an easy- to- use dashboard you can use to create various types of captures. Capsa Free also offers plenty of alarm configurations so you can be alerted when something occurs. And it can capture more than 3. Figure D5: Ether. Ape. Ether. Ape is a Linux- only tool and is molded after the classic etherman monitor. It's unique in that it offers an easy- to- use mapping of IP traffic on your network. It does this in real time and gives you a clear picture of the overall look of your network traffic. You can create filters (using pcap syntax) to make reading the map easier. As you can see in Figure E, a busy network can get rather challenging to read. Ether. Ape will display both the node and link color with the most- used protocol so it's easier to take a quick glance, even on a busy network. Figure EMore tools? A lot of networking monitoring tools are out there, and some of them do more auditing than the tools listed here. But when you really need to know what's going on with your network, one of the above tools will do a great job. Have you used any of these tools? What other free scanners have you tried?
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October 2016
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