Hello All! I don't understand why packet filters does not work on Internal interfaces. Have found an notice from Microsoft about this but can't get it to work. http://support.microsoft.com/support/kb/articles/Q283/2/13.ASP?LN=EN-US&SD=gn&FR=0&qry=packet%20filter&rnk=6&src=DHCS_MSPSS_gn_SRCH&SPR=ISAS Please can somebody help. Best Regards Yilmaz