You should find this list somewhere on the Wireless MAC Address Filtering tab (I don't know how it is called on your router). Who's using my internet??? Mark as New; Bookmark; Subscribe; Subscribe to RSS Feed. Something's using my internet bandwidth. By Envergure Jun 1, 2007. So I opened Task Manager to see what was using all my bandwidth. What is using my internet bandwidth Feb 6. Colasoft Blog » Find out which process/application is using which TCP/UDP port on Windows. During the process of analyzing a network problem with a network analyzer tool or a protocol sniffer, especially when we find a suspicious worm or backdoor activity, we get only useful information like MAC addresses, IP addresses and also the port number in transport layer. The analyzer may not even know which application layer protocol is used, even it tells, we still need to figure out which application or process is using this application layer protocol. Is there any method that we can find out the original application or process using that TCP or UDP port? If you are conducting an on- site analysis, Capsa can easily help find out which process is using what port. Let’s see how. Find out Port Number. For example, I spot in Capsa Free the following TCP connection suspicious, which constantly communicates to IP: xx. Don’t forget the pipe symbol . And we can easily find out the process or application of this PID: 3. I’m sure it’s an instant messenger used internal in my office and it’s safe. However task Manager will not provide as much information as Process Explorer. Please refer to previous command if you not sure about . Kill Process/Application. So next, you may want to kill a process when you find it’s malicious and want to end it at once?
If you are with Process Explorer, you just right- click on a process item and choose Kill Process (Press Del button for short) to kill that process (you can do the same in Task Manager). Again, you may run the following in Command Prompt: taskkill /F /PID 3. Explanation: /F means force to kill the process. And I suppose you understand PID so far. Now we successfully detect and target the suspicious process with the specific port number, no matter UDP or TCP. And of course this procedure is reversible, you can find out the port number from the process’s PID. FIND, LOCK, WIPE MY DEVICE/SAMSUNG PAY PREPARE. Ready device for Find My Mobile.
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