Netgear DGFV338 사용자 설명서
DGFV338 ProSafe Wireless ADSL Modem VPN Firewall Router Reference Manual
4-16
Security and Firewall Protection
v1.0, April 2007
Considerations for Inbound Rules
The DHCP setup and how the PCs access the server’s LAN address impact the Inbound Rules.
•
If your external IP address is assigned dynamically by your ISP, the IP address may change
periodically as the DHCP lease expires. Consider using the Dyamic DNS feature in the
Advanced menus so that external users can always find your network.
periodically as the DHCP lease expires. Consider using the Dyamic DNS feature in the
Advanced menus so that external users can always find your network.
•
If the IP address of the local server PC is assigned by DHCP, it may change when the PC is
rebooted. To avoid this, use the Reserved IP address feature in the LAN IP menu to keep the
PC’s IP address constant.
rebooted. To avoid this, use the Reserved IP address feature in the LAN IP menu to keep the
PC’s IP address constant.
•
Local PCs must access the local server using the PCs’ local LAN address (192.168.0.99 in this
example). Attempts by local PCs to access the server using the external WAN IP address will
fail.
example). Attempts by local PCs to access the server using the external WAN IP address will
fail.
Figure 4-11
1. Select Any protocol and ALLOW Always (or Allow by Schedule)
2. Place rule below all other inbound rules by clicking the down icon