Netgear FVS336G-300NAS Specifications download pdf (Page 213)

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Customize Firewall Protection

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ProSAFE Dual WAN Gigabit WAN SSL VPN Firewall FVS336Gv3

Default DMZ WAN Rules

For DMZ WAN traffic, the default policy is to block all traffic from and to the Internet.

You can change the default policy by adding DMZ WAN firewall rules that allow specific types

of traffic to go out from the DMZ to the Internet (outbound) or to come in from the Internet to

the DMZ (inbound). Alternately, for outbound traffic, you can allow all outbound traffic and

then block only specific services from passing through the VPN firewall. (Do not use this

approach for inbound traffic.)

Default LAN DMZ Rules

For LAN DMZ traffic, the default policy is to block all traffic between the LAN and the DMZ.

You can change the default policy by adding LAN DMZ firewall rules that allow specific types

of traffic to go out from the LAN to the DMZ (outbound) or to come in from the DMZ to the

LAN (inbound). Alternately, for outbound traffic, you can allow all outbound traffic and then

block only specific services from passing through the VPN firewall. (Do not use this approach

for inbound traffic.)

Number of Rules Supported

You can configure up to 600 firewall rules on the VPN firewall.

Categories of Service

The rules to block or allow traffic are based on the traffic’s category of service:

• Outbound rules (service blocking). Outbound traffic is allowed unless you configure

the firewall to block specific or all outbound traffic.

• Inbound rules (port forwarding). Inbound traffic is blocked unless the traffic is in

response to a request from the LAN side. You can configure the firewall to allow specific

or all inbound traffic.

• Customized services. You can add additional services to the list of services in the

factory defaults list. You can then define rules for these added services to either allow or

block that traffic (see Manage Customized Services on page 282).

• Quality of Service (QoS) priorities. Each service has its own native priority that impacts

its quality of performance and tolerance for jitter or delays. You can change the QoS

priority, which changes the traffic mix through the system (see

Manage Quality of Service

Table 4. Number of supported firewall rule configurations

Traffic Rule Maximum Number of

Outbound Rules

Maximum Number of

Inbound Rules

Maximum Number of

Combined Supported Rules

LAN WAN 300 300 600

DMZ WAN 50 50 100

LAN DMZ 50 50 100

Total Rules 400 400 800

1 2 ... 208 209 210 211 212 213 214 215 216 217 218 ... 692 693

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Netgear FVS336G-300NAS Specifications Page 213

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