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must also be enabled when the Windows Messenger ALG is enabled.
FTP
Allows FTP clients and servers to transfer data across NAT. Refer to the
Advanced → Virtual Server page if you want to host an FTP server.
H.323 (Netmeeting)
Allows H.323 (specifically Microsoft Netmeeting) clients to communicate across NAT. Note
that if you want your buddies to call you, you should also set up a virtual server for
NetMeeting. Refer to the Advanced → Virtual Server page for information on how to set
up a virtual server.
SIP
Allows devices and applications using VoIP (Voice over IP) to communicate across NAT.
Some VoIP applications and devices have the ability to discover NAT devices and work
around them. This ALG may interfere with the operation of such devices. If you are having
trouble making VoIP calls, try turning this ALG off.
Wake-On-LAN
This feature enables forwarding of "magic packets" (that is, specially formatted wake-up
packets) from the WAN to a LAN computer or other device that is "Wake on LAN" (WOL)
capable. The WOL device must be defined as such on the Advanced → Virtual Server
page. The LAN IP address for the virtual server is typically set to the broadcast address
192.168.2.255. The computer on the LAN whose MAC address is contained in the magic
packet will be awakened.
MMS
Allows Windows Media Player, using MMS protocol, to receive streaming media from the
internet.