I have a doubt , please clear it for Masquerading we have module "ipt_MASQUERADE.o" then for DNAT and SNAT which modules are responsible, please tell. where can i get information about these modules individually . thanks in advance, rohit __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.sweepstakes.yahoo.com/careermakeover