ZyXEL Communications ZYWALL USG 2000 Manual page 335

The following table describes the labels in this screen.
Table 104 Firewall > Session Limit
LABEL
General
Settings
Enable Session
limit
Default Session
per Host
Rule Summary
#
User
Address
Limit
Add icon
Apply
Reset
ZyWALL USG 2000 User's Guide
DESCRIPTION
Select this check box to control the number of concurrent sessions hosts
can have.
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.
This is the index number of a session limit rule. It is not associated with
a specific rule.
This is the user name or user group name to which this session limit rule
applies.
This is the address object to which this session limit rule applies.
This is how many concurrent sessions this user or address is allowed to
have.
Click the Add icon in the heading row to add a new first entry.
The Active icon displays whether the rule is enabled or not. Click it to
activate or deactivate the rule. Make sure you click Apply to save and
apply the change.
Click the Edit icon to go to the screen where you can edit the rule on
the ZyWALL.
Click the Add icon in an entry to add a rule below the current entry.
Click the Remove icon to delete an existing rule from the ZyWALL. A
window displays asking you to confirm that you want to delete the rule.
Note that subsequent rules move up by one when you take this action.
In a numbered list, click the Move to N icon to display a field to type an
index number for where you want to put that rule and press [ENTER] to
move the rule to the number that you typed. For example, if you type 6,
the rule you are moving becomes number 6 and the previous rule 6 (if
there is one) gets pushed up (or down) one.
The ordering of your rules is important as they are applied in order of
their numbering.
Click Apply to save your changes back to the ZyWALL.
Click Reset to begin configuring this screen afresh.
Chapter 20 Firewall
335