Network Debugging tool. Monitor Http, Tcp, and Udp traffic on your network. Save log files for later reference.
Install with npm:
sudo npm install -g netbug
netbug-server (port #) [directory to save logs]
netbug-server 1234 log-files
Now open your browser to http://localhost:1234
If you choose to log files they will be saved in the directory that you specified.