Net monitor

Something like Netlimiter would be great! Although my main concern is monitoring what applications are accessing the internet, Lan and WLan at any given time.
Regards

Okay, I know this post is a year old, but I searched and I think it is still relevant enough to not have to make a new thread (I hope). I receive a newsletter ( link below, for attacks on hard drives and wiping them) from USCERTS everyday and in todays it reminded me of something I wanted to do for so long and had me thinking do I have something to monitor my connections, ports, router, modem ? I don't think so. It says, Enabling network monitoring and logging (when feasible), what do we have to do this here or on XP ? (Best Practices for Recovery from the Malicious Erasure of Files) http://www.us-cert.gov/current/index.html#best_practices_for_recovery_from

if this could only do what the gadget for windows named "Network Meter" or even better the Network usage Widget for Yahoo Widgets. This allows information to be put to a html file to track monthly usage too.