Netgear SRX5308 User Manual download pdf (Page 140)

100

101

Firewall Protection

140

ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308

Figure 71.

For any traffic attempting to pass through the firewall, the packet information is subjected to

the rules in the order shown in the Outbound Services and Inbound Services tables,

beginning at the top of each table and proceeding to the bottom of each table. In some cases,

the order of precedence of two or more rules might be important in determining the

disposition of a packet. For example, you should place the most strict rules at the top (those

with the most specific services or addresses). The Up and Down table buttons in the Action

column allow you to relocate a defined rule to a new position in the table.

Configure LAN WAN Rules

• Create LAN WAN Outbound Service Rules

• Create LAN WAN Inbound Service Rules

The default outbound policy is to allow all traffic to the Internet to pass through. Firewall rules

can

then be applied to block specific types of traffic from going out from the LAN to the

Internet (outbound). This feature is also referred to as service blocking. You can change the

default policy of Allow Always to Block Always to block all outbound traffic, which then allows

you to enable only specific services to pass through the VPN firewall.

 To change the default outbound policy for IPv4 traffic or to change existing IPv4 rules:

1. Select Security > Firewall. Th

e Firewall submenu tabs display with the LAN WAN

Rules screen in view. In the upper right of the screen, the IPv4 radio button is selected

by default. The LAN WAN Rules screen displays the IPv4 settings. (The following figure

contains examples.)

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