List, We have determined, that during large(50-100MB) file transfers the firewall is spuriously sending a tcp reset to both server and client. The same file (which is a compressed format to begin with) when zipped will copy just fine. Why does the firewall feel the need to pull down the connection? The reset(based on TTL counts) is being sent from the primary internal interface. This is devil-linux 1.2.6 i686 SMP (2.4.31) Thanks -- James Harrison RHCE Manager, Information Security - American Color PH: 615-377-7426 FX: 615-377-0325 AIM: harrijh1