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3G 300Mbps Wireless Router
Usually allowing client applications to use dynamic
ephemeral TCP/ UDP ports to communicate with the
known ports used by the server applications, even
though a firewall-configuration may allow only a limited
number of known ports. In the absence of an ALG,
either the ports would get blocked or the network
administrator would need to explicitly open up a large
number of ports in the firewall; rendering the network
vulnerable to attacks on those ports.
In the default ALG settings, the following protocols have
enabled. It is recommended to keep the settings
unchanged.
1. FTP
2. TFTP
3. PPTP
4. IPSec
5. L2TP
9.4 DMZ Settings
The DMZ function is to allow one computer in LAN to be
exposed to the Internet for a special-purpose service as
Internet gaming or videoconferencing.
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