QuickTip – Need to Check the Active Connections to Your Squid Proxy Server?
If you want to update and reboot your Squid proxy server, you might want to check to see if there are active connections. Run this netstat command with grep to check all the active connections on your squid proxy port.
netstat -na | grep :3128
If you only see this result, no one is currently connected-
When at least one device is connected, you will see something like this-