samba - Nov 2001 - date and time in samba

Hi:

I have recently installed a samba server in linux. When somebody access it
from a Windows client and modifies a file, the time and date of the file in
the server is updated with the client date and time.

I would like to know if its possible to change it. I'd like to get files
updated with the server date and time.

Thanks in advance,

JB Garcia
Spain