I used PIX525 has three interface. I have Active Directory (Windows2003) in inside zone. In inside zone, I can join domain and used Single Sign On which no problem. I have server in DMZ zone and try to join domain (AD) in inside zone but i can't join it. What's protocol used for join domain? I will create ACL for permit it.
static (inside,dmz) 10.1.81.0 10.1.81.0 netmask 255.255.255.0
My DMZ zone is 10.1.80.0/24