Originally posted by Defcon:
Ok, first of all whose network is this? Something you own or is this something your parents or place of business owns? Second of all what traffic are you trying to scan for?
Understand that a lot of information goes through your network in the course of an hour. You'd end up with hours worth of logs to look through if you want to scan and log every little piece of traffic (Internal NetBios stuff, DHCP Requests/DHCPACK, TCP/IP connections to the internet, DNS requests, etc). What are you specifically looking for and why is important.
I only want to know if its possible. To answer the above Q's, it's the home network I'm on which has 4 computers, of which one of the clients I am suspicions of would want to do this. He likes to play Big Brother. That's why I wanted to know. Not so I could scan all the data, thats just not something I do.
Is there a way to find out if someone is doing this to our network and stop it without breaking into the neighbours room?
Im assuming secure sites eg. internet banking, have thier data encrypted.