WAN Check automatically checks to see if your Internet connection is still active. If it isn't, it alerts you with a message. You can also let it notify you if you are reconnected to the internet. The WAN Check daemon runs as a background process, so you will only see it in the OS X Activity Monitor.
What's new in WAN Check
Reset utility included to fix some bugs with old pref files
Display note to notify you that the 'wancheckd' started