Netgear FVS336G-300NAS Specifications download pdf (Page 16)

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ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv3

Security Features

The VPN firewall is equipped with several features designed to maintain security:

• Computers hidden by NAT. NAT opens a temporary path to the Internet for requests

originating from the local network. Requests originating from outside the LAN are

discarded, preventing users outside the LAN from finding and directly accessing the

computers on the LAN.

• Port forwarding with NAT. Although NAT prevents Internet locations from directly

accessing the computers on the LAN, the VPN firewall allows you to direct incoming

traffic to specific computers based on the service port number of the incoming request.

• DMZ port. Incoming traffic from the Internet is usually discarded by the VPN firewall

unless the traffic is a response to one of your local computers or a service for which you

configured an inbound rule. Instead of discarding this traffic, you can use the dedicated

demilitarized zone (DMZ) port to forward the traffic to one computer on your network.

Autosensing Ethernet Connections with Auto Uplink

With its internal four-port 10/100/1000 Mbps switch and two 10/100/1000 WAN ports, the

VPN firewall can connect to a 10-Mbps standard Ethernet network, a 100-Mbps Fast

Ethernet network, a 1000-Mbps Gigabit Ethernet network, or a combination of these

networks. All LAN and WAN interfaces are autosensing and capable of full-duplex or

half-duplex operation.

The VPN firewall incorporates Auto Uplink

technology. Each Ethernet port automatically

senses whether the Ethernet cable plugged into the port should have a normal connection

such as to a computer or an uplink connection such as to a switch or hub. That port then

configures itself correctly. This feature eliminates the need for you to think about crossover

cables, as Auto Uplink accommodates either type of cable to make the right connection.

Extensive Protocol Support

The VPN firewall supports the Transmission Control Protocol/Internet Protocol (TCP/IP) and

Routing Information Protocol (RIP). The VPN firewall provides the following protocol support:

• IP address sharing by NAT. The VPN firewall allows many networked computers to

share an Internet account using only a single IP address, which might be statically or

dynamically assigned by your Internet service provider (ISP). This technique, known as

Network Address Translation (NAT), allows the use of an inexpensive single-user ISP

account.

• Automatic configuration of attached computers by DHCP. The VPN firewall

dynamically assigns network configuration information, including IP, gateway, and

Domain Name Server (DNS) addresses, to attached computers on the LAN using the

Dynamic Host Configuration Protocol (DHCP). This feature greatly simplifies

configuration of computers on your local network.

• DNS proxy. When DHCP is enabled and no DNS addresses are specified, the VPN

firewall provides its own address as a DNS server to the attached computers. The firewall

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Netgear FVS336G-300NAS Specifications Page 16

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