Hi I have ADSL with dynamic ip offer from my ISP it work OK with proxy. But since I upgrade to ISA server my computer can't contact DHCP server to get the ip address. I have to disable packet filtering for it to work then enable packet filtering again. Tried create custom filter for port 67 and 68 still not work Please help any one ? Thank you very much Frank Phan Cell 678-642-1969 Direct 404-885-5921 Mailto:fphan@xxxxxxxxxxx Http://www.itserve.com