JNR1010v2 N150 Wireless Router
-Secured NAT provides a secured firewall to protect the computers on the LAN from attacks from the Internet, but might prevent some Internet games,
-Open NAT provides a much less secured firewall, but allows almost all Internet applications to function.
•Disable SIP ALG. Some Voice over IP (VoIP) applications do not function well with the Session Initiation Protocol (SIP) Application Layer Gateway (ALG). Selecting the check box to turn off the SIP ALG might enable connected VoIP devices to create and accept a VoIP call through the router. By default, this check box is cleared.
•Disable IGMP Proxying. IGMP proxying allows computers on the LAN to receive the multicast traffic they are subscribed to from the Internet. By default, this check box is selected, and the IGMP proxy is disabled, preventing multicast traffic from the Internet to the LAN. Clear the Disable IGMP Proxying check box to allow multicast traffic from the Internet to the LAN.
•VPN Passthrough. The router supports VPN passthrough for IPSec, PPTP, and L2TP.
-IPSec Passthrough. To enable or disable IPSec passthrough, select the Enable or Disabled radio button.
-PPTP Passthrough. To enable or disable PPTP passthrough, select the Enable or Disabled radio button.
-L2TP Passthrough. To enable or disable L2TP passthrough, select the Enable or Disabled radio button.
4.Click the Apply button. Your changes are saved.
Default DMZ Server
The default DMZ server feature is helpful when you use some online games and videoconferencing applications that are incompatible with Network Address Translation (NAT). The router is programmed to recognize some of these applications and to function correctly with them, but other applications exist that might not function well. In some cases, one local computer can run the application correctly if that computer’s IP address is entered as the default DMZ server.
WARNING:
DMZ servers pose a security risk. A computer designated as the default DMZ server loses much of the protection of the firewall and is exposed to exploits from the Internet. If compromised, the DMZ server computer can be used to attack other computers on your network.
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