How To Configure Zimbra Mail Server How Do I Configure My Network To Allow WLAN Connections To Go Through My Firewall?

How do I configure my network to allow WLAN connections to go through my firewall? - how to configure zimbra mail server

I have a Westell 327W DSL modem / router / wireless access point is connected directly to my ISP. All my laptops are also connected directly to the Westell. ZyWALL I have a switch that is a packet inspection firewall is not connected. I know that my Westell has a carrying capacity of DMZ, but I'm not sure what I mean Zywall get in touch to make sure that my laptop wireless through the firewall.

How can my ZyWALL device incorporate safety switches on my network on Stateful Packet Inspection and / or Network Address Translation? When I connect my Westell Zywall the DMZ, my laptop connection Zywall go through, although the Westell is the access point and is directly connected to the Internet?