Planet Technology G.SHDSL.bis Bridge Router GRT-504 - Manual (Page 68)

GRT-504 4-Wire G.SHDSL.bis Firewall Router User’s Manual
6.2.9 Firewall
A firewall is a set of related programs that protects the resources of a private network from other
networks. It is helpful to users that allow preventing hackers to access its own private data
resource accidentally.
There have three security levels for setting: Basic firewall security, Automatic firewall security
and advanced firewall security.
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