ZyXEL Communications ZyWall USG 2000 User Manual page 443

Unified security gateway

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individual limits for specific users, addresses, or both. The individual limit takes

priority if you apply both.

Figure 326 Configuration > Firewall > Session Limit

The following table describes the labels in this screen.

Table 116 Configuration > Firewall > Session Limit

Enable Session

Default Session

Rule Summary

ZyWALL USG 2000 User's Guide

Select this check box to control the number of concurrent sessions hosts

Use this field to set a common limit to the number of concurrent NAT/

firewall sessions each client computer can have.

If only a few clients use peer to peer applications, you can raise this

number to improve their performance. With heavy peer to peer

application use, lower this number to ensure no single client uses too

many of the available NAT sessions.

Create rules below to apply other limits for specific users or addresses.

This table lists the rules for limiting the number of concurrent sessions

hosts can have.

Click this to create a new entry. Select an entry and click Add to create

a new entry after the selected entry.

Double-click an entry or select it and click Edit to open a screen where

you can modify the entry's settings.

To remove an entry, select it and click Remove. The ZyWALL confirms

you want to remove it before doing so.

To turn on an entry, select it and click Activate.

To turn off an entry, select it and click Inactivate.

To change a rule's position in the numbered list, select the rule and click

Move to display a field to type a number for where you want to put that

rule and press [ENTER] to 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.

This icon is lit when the entry is active and dimmed when the entry is

Chapter 24 Firewall

Troubleshooting