Question : Explaining TCP Reset-O

All of a sudden- I am getting a ton of these TCP Reset messages-- many seem to occur when users open file links from a web app.  What is going on?

Answer : Explaining TCP Reset-O

Those two links are talking about something similar:

http://www.firewall.cx/ftopicp-10387.html
http://www.velocityreviews.com/forums/t152571-302014-teardown-tcp-connection-on-pix-515.html

HTH

Naser