* at least 300 cookies * at least 4096 bytes per cookie (as measured by the size of the characters that comprise the cookie non-terminal in the syntax description of the Set-Cookie header) * at least 20 cookies per unique host or domain name so the server should be able to handle at least that. So I think the cookie mechanism may be a better choice depending on how much data you expect to send. -- -- rouilj John Rouillard System Administrator Renesys Corporation 603-244-9084 (cell) 603-643-9300 x 111