Greetings all I have a customer running with a Cisco 5500 series firewall. What were seeing (as a problem) is that there is a bit being flipped by the firewall in the packet header. The bit in question is the Congession Window Reduced or CWR bit. Under heavy load the target server is getting this bit as high and since (I am guessing) its that way dropping the session yet its not near capacity. Its a Microsoft server as well. Not that I am knocking that but. Under the same situation a Linux/Apache server doesn't seem to care, and goes about its business. Anyone heard of this? I did searches regarding this but found (as per usual) tons of usless info. I'm not sure why the packets are being changed by the ASA. I know there not hitting the firewall this way (Packet capture) but they are getting changed. Config mishap? Is the ASA throttling down stuff, and if so why not at the requesting party? Dunno. Completely baffled. Thanks In Advance! -Joe