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ZyXEL NBG-415N User’s Guide
Chapter 7 Advanced 96
7.10 Inbound Filter
An inbound filter allows you to filter packets based on IP addresses. You can use inbound
filters to control access to network resources (such as a web server) or for remote management
of the device.
Click Advanced > Inbound Filter to display the configuration screen.
IPSec VPN Select this option to allow multiple VPN clients to connect to a remote network
using the IPSec protocol.
This ALG may affect VPN connections for VPN clients using NAT traversal. In this
case, clear this check box to disable this ALG.
RTSP Select this option to allow applications (such as QuickTime and Real Player) that
use Real Time Streaming Protocol (RTSP) to receive streaming media from the
Internet.
Windows
Messenger
Select this feature to allow the use of Microsoft Windows Messenger on computers
in the LAN.
Note: You must also enable the SIP ALG.
FTP Select this option to allow FTP data transfer through a NAT-enabled network. You
must also set up the FTP server settings in the Virtual Server screen.
H.232
(NetMeeting)
Select this option to allow Microsoft NetMeeting clients to communicate through a
NAT-enabled network. You must also set up the NetMeeting server settings in the
Virtual Server screen.
SIP Select this option to allow devices and applications using VoIP (Voice over IP) to
communicate over NAT.
Clear this check box to disable this ALG if the devices/applications use NAT
traversal.
Wake-On-LAN Select this option to forward "magic packets" or wake-up packets from the WAN to
a LAN computer or device with Wake-on-LAN (WOL) feature. You must also define
the WOL server settings in the Virtual Server screen. The LAN IP address for the
virtual server is typically set to the broadcast address of 192.168.0.255. The
computer on the LAN whose MAC address is contained in the magic packet will be
awakened.
MMS Select this option to allow Windows Media Player, using MMS protocol, to receive
streaming data from the Internet.
Table 38 Advanced: Firewall (continued)
LABEL DESCRIPTION