Alto MS Series User Manual download pdf (Page 39)

Getting Started Guide 35

Create the Security Perimeter Security Perimeter Overview

Field Description

Required

Fields

Name

A label that supports up to 31 characters, used to identify the rule.

Source Zone

The zone from which the traffic originates.

Destination Zone

The zone at which the traffic terminates. If you use NAT, make sure

to always reference the post-NAT zone.

Application

The application which you wish to control. The firewall uses

App-ID, the traffic classification technology, to identify traffic on

your network. App-ID provides application control and visibility in

creating security policies that block unknown applications, while

enabling, inspecting, and shaping those that are allowed.

Action

Specifies an Allow or Deny action for the traffic based on the criteria

you define in the rule.

Optional

Fields

Tag

A keyword or phrase that allows you to filter security rules. This is

handy when you have defined many rules and wish to then review

those that are tagged with a particular keyword or color, for example

Inbound to DMZ.

Description

A text field, up to 255 characters, used to describe the rule.

Source Address

Define host IP or FQDN, subnet, named groups, or country-based

enforcement. If you use NAT, make sure to always refer to the

original IP addresses in the packet (i.e. the pre-NAT IP address).

Destination Address

The location or destination for the traffic. If you use NAT, make sure

to always refer to the original IP addresses in the packet (i.e. the

pre-NAT IP address).

Source User

The user or group of users for whom the policy applies. You must

have User-ID enabled on the zone. See Configure User

Identification for details.

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Alto MS Series User Manual Page 39