Netgear FVS318N 사용자 설명서
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5
5.
Firewall Protection
This chapter describes how to use the firewall features of the wireless VPN firewall to protect
your network. The chapter contains the following sections:
your network. The chapter contains the following sections:
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About Firewall Protection
A firewall protects one network (the trusted network, such as your LAN) from another (the
untrusted network, such as the Internet), while allowing communication between the two.
You can further segment keyword blocking to certain known groups. For information about
how to set up LAN groups, see
untrusted network, such as the Internet), while allowing communication between the two.
You can further segment keyword blocking to certain known groups. For information about
how to set up LAN groups, see
For IPv4, a firewall incorporates the functions of a Network Address Translation (NAT) router,
protects the trusted network from hacker intrusions or attacks, and controls the types of
traffic that can flow between the Internet, DMZ, and LAN. Unlike simple NAT routers, a
firewall uses a process called stateful packet inspection to protect your network from attacks
and intrusions. NAT performs a limited stateful inspection in that it considers whether the
protects the trusted network from hacker intrusions or attacks, and controls the types of
traffic that can flow between the Internet, DMZ, and LAN. Unlike simple NAT routers, a
firewall uses a process called stateful packet inspection to protect your network from attacks
and intrusions. NAT performs a limited stateful inspection in that it considers whether the