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67D-Link DIR-827 User Manual
Section 3 - Conguration
Application Level Gateway Conguration
Here you can enable or disable ALG’s. Some protocols and applications require special handling of the IP payload to make them work with network
address translation (NAT). Each ALG provides special handling for a specic protocol or application. A number of ALGs for common applications
are enabled by default.
Allows multiple machines on the LAN to connect to their corporate network using PPTP protocol.
Allows multiple VPN clients to connect to their corporate network using IPSec. Some VPN clients support traversal of IPSec through NAT. This ALG may interfere
with the operation of such VPN clients. If you are having trouble connecting with your corporate network, try turning this ALG o. Please check with the
system administrator of your corporate network whether your VPN client supports NAT traversal.
Allows applications that use Real Time Streaming Protocol to receive streaming media from the internet. QuickTime and Real Player are some of the common
applications using this protocol.
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
o.
PPTP:
IPSEC (VPN):
RTSP:
SIP: