Add/Edit A Rule - ZyXEL Communications Vantage CNM 2.3 User Manual

Centralized network management

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Table of Contents

Chapter 6 Device Security Settings

Table 43 Device Operation > Device Configuration > Security > Firewall > Rule

Summary (continued)

6.1.3 Add/Edit a Rule

Each device has a different number of rules and custom ports; see the device User

Guide for more details.

This field displays whether the firewall silently discards

packets (Drop), discards packets and sends a TCP reset

packet or an ICMP destination-unreachable message to the

sender (Reject) or allows the passage of packets (Permit).

This field shows you whether a log is created when packets

match this rule (Yes) or not (No).

This field tells you whether this rule generates an alert (true)

or not (false) when the rule is matched.

Click the insert icon to display the screen where you can

configure a new firewall rule. The insert icon at the top of the

row creates the new firewall rule before the others. The

individual firewall rule insert icons create a new firewall rule

after the row's firewall rule.

Click Move to display the screen where you can move the rule

to the number that you typed. The ordering of your rules is

important as they are applied in order of their numbering.

Click this to modify a firewall rule.

Click this to delete an existing firewall rule. Note that

subsequent firewall rules move up by one when you take this

Vantage CNM User's Guide