Firewall Edit Rule - ZyXEL Communications ZYWALL 2 PLUS User Manual

Chapter 11 Firewall
Table 52 SECURITY > FIREWALL > Rule Summary
LABEL
#
Name
Active
Source Address
Destination
Address
Service Type
Action
Sch.
Log
Modify
Insert
Move

11.9.1 Firewall Edit Rule

Follow these directions to create a new rule.
1 In the Rule Summary screen, type the index number for where you want to put the rule.
For example, if you type 6, your new rule becomes number 6 and the previous rule 6 (if
there is one) becomes rule 7.
2 Click Insert to display the Firewall Edit Rule screen.
Use this screen to create or edit a firewall rule. Refer to the following table for information on
the labels.
See Section 11.1 on page 181
196
DESCRIPTION
This is your firewall rule number. The ordering of your rules is important as rules are
applied in turn. Click + to expand or - to collapse the Source Address, Destination
Address and Service Type drop down lists.
This is the name of the firewall rule.
This field displays whether a firewall is turned on (Y) or not (N).
This drop-down list box displays the source addresses or ranges of addresses to
which this firewall rule applies. Please note that a blank source or destination
address is equivalent to Any.
This drop-down list box displays the destination addresses or ranges of addresses
to which this firewall rule applies. Please note that a blank source or destination
address is equivalent to Any.
This drop-down list box displays the services to which this firewall rule applies. See
Appendix E on page 623 for a list of common services.
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 tells you whether a schedule is specified (Yes) or not (No).
This field shows you whether a log is created when packets match this rule (Yes) or
not (No).
Click the edit icon to go to the screen where you can edit the rule.
Click the delete icon to delete an existing firewall rule. A window display asking you
to confirm that you want to delete the firewall rule. Note that subsequent firewall
rules move up by one when you take this action.
Type the index number for where you want to put a rule. For example, if you type 6,
your new rule becomes number 6 and the previous rule 6 (if there is one) becomes
rule 7.
Click Insert to display this screen and refer to the following table for information on
the fields.
Type a rule's index number and the number for where you want to put that rule.
Click Move 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.
for more information about the firewall.
ZyWALL 2 Plus User's Guide