Paessler PRTG Traffic Grapher
Traffic Grapher monitors network traffic and classifies it by IP address, protocol and other parameters. It acquires traffic information through SNMP, LAN and WLAN packet sniffing and Cisco’s NetFlow. It can also monitor latency by measuring PING times. Graphs show live data (for the past five minutes to an hour), averages for up to 48 hours, hourly averages for up to 60, daily average for up to a year, and more. An internal database can export results as CSV files and zip and purge old data. Reports are available in HTML, PDF, Excel and other formats. An internal Web server offers public or authenticated access to the monitoring results.
There’s a freeware version for up to 10 sensors, a 30-day trial of the commercial version, and the full commercial version, all available here. If you download this software and find it useful, come back and rate it. And if you’ve got links to useful downloads, e-mail ‘em to us using the the e-mail link.
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ManageEngine WiFi Manager
AdventNet’s WiFi Manager offers centralized monitoring of wireless devices, configuration of access points, firmware management and security management for your wireless network. It also has features to detect rogue access points and users and supports both fat and thin APs.
WiFi Manager runs on Windows and Linux and supports gear from Cisco, D-Link, Ericsson, Dell, Netgear, 3-Com and more. Download it here – it’s a 30-day free trial.
If you download this software and find it useful — or not, for that matter — please come back and rate it. And, as always, if you know of software that’s worth downloading, use the e-mail link to let us know.
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Angry IP Scanner
This one gets the thumbs-up on the basis of the name. It scans IP addresses and ports, returns NetBIOS information and detects Web servers. Anyone proficient in Java can write plug-ins to extend the functionality. It’s open source and free from creator Anton Keks. Download it here.
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(2 votes, average: 9 out of 10)