![]() ![]() ![]() This won't work if SSL port 443 isn't open on the destination. If you're interested in the destination the process is talking to, but the destination IP address doesn't have a reverse DNS hostname (like in the previous example), then try visiting that IP address in a web browser as click the broken lock icon in the address bar, and view the certificate details to find out which domain is served there (*. in this case). Its fast, free, and has available to it a huge list of worldwide test locations, making for more accurate results than average. Site24x7 Website Monitoring (FREE TRIAL) This package of monitoring systems watches over the performance of internet connections and implements real-user monitoring to check on website performance statistics. '53133' from 10.0.0.1:53133->74.125.68.100:80) to run a tcpdump(1) to see the data in the packets being exchanged: sudo tcpdump -nnvvXSs 1514 port 53133 is probably the most well-known speed test. If you're interested in what the process is transmitting over the network, use the client port number for that particular connection (e.g. Internet speed meter Net Meter 3.9 on 33 votes DU Meter 4.2 on 249 votes Bandwidth Meter Pro 3.7 on 14 votes iNetCalc 3 on 2 votes Absolute Futurity. The Free version will allow a user to monitor up to 3. ICM comes in two two versions: Free and Full. If that doesn't solve it, find out if you can uninstall the process. Never pay a monthly fee to monitor Internet connectivity again. If you don't want the process around, get the pid (the number next to the process name in nettop), and kill it with kill -9. If you don't recognize the process name, Google it. The software enables you to keep an eye on specific connections, for example, a mobile internet connection or Wi-Fi, and also all the connections at the same time. The Automatic Speed Test can provide data that may aid in Internet troubleshooting. NetWorx is a free bandwidth monitor that measures your internet speed and analyzes your bandwidth consumption. The 'd' instructs nettop to only show differences in each screen refresh. Automatic Speed Test Want to automate your speed test and monitor your connection over time This tool will automatically retest your Internet connection on a set interval and log the test results for later retrieval. Then hit 'd' and look for odd-looking entries or entries with consistently large traffic in the 'bytes in' or 'bytes out' column. Better than lsof since it shows the usage data too. It is pre-installed, and refreshes every few seconds to provide a dashboard of all open network connections with their usage.
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