Wireless-N Broadband 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
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