ZyXEL P-662HW-61 User Guide - Page 139
DMZ Public IP Address Example
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Chapter 8 DMZ Table 49 DMZ (continued) LABEL DESCRIPTION Multicast IGMP (Internet Group Management Protocol) is a network-layer protocol used to establish membership in a multicast group. The ZyXEL Device supports both IGMP version 1 (IGMP-v1) and IGMP-v2. Select None to disable it. Windows Networking (NetBIOS over TCP/IP) Allow between DMZ and LAN Select this check box to forward NetBIOS packets from the LAN to the DMZ and from the DMZ to the LAN. If your firewall is enabled with the default policy set to block DMZ to LAN traffic, you also need to enable the default DMZ to LAN firewall rule that forwards NetBIOS traffic.Clear this check box to block all NetBIOS packets going from the LAN to the DMZ and from the DMZ to the LAN. Allow between DMZ and WAN Select this check box to forward NetBIOS packets from the WAN to the DMZ and from the DMZ to the WAN. Clear this check box to block all NetBIOS packets going from the WAN to the DMZ and from the DMZ to the WAN. Apply Click Apply to save your changes back to the ZyXEL Device. Cancel Click Cancel to begin configuring this screen afresh. 8.3 DMZ Public IP Address Example The following figure shows a simple network setup with public IP addresses on the WAN and DMZ and private IP addresses on the LAN. Lower case letters represent public IP addresses (like a.b.c.d for example). The LAN port and connected computers (A through C) use private IP addresses that are in one subnet. The DMZ port and connected servers (D through F) use public IP addresses that are in another subnet. The public IP addresses of the DMZ and WAN ports are in separate subnets. Figure 80 DMZ Public Address Example P-662H/HW-D Series User's Guide 139