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Chapter 22 Firewall
ZyWALL USG 50 User’s Guide
368
From Zone /
To Zone
This is the direction of travel of packets. Select from which zone the
packets come and to which zone they go.
Firewall rules are grouped based on the direction of travel of packets to
which they apply. For example, from LAN1 to LAN1 means packets
traveling from a computer or subnet on the LAN to either another
computer or subnet on the LAN1.
From any displays all the firewall rules for traffic going to the selected To
Zone.
To any displays all the firewall rules for traffic coming from the selected
From Zone.
From any to any displays all of the firewall rules.
To ZyWALL rules are for traffic that is destined for the ZyWALL and
control which computers can manage the ZyWALL.
Add Click this to create a new entry. Select an entry and click Add to create a
new entry after the selected entry.
Edit Double-click an entry or select it and click Edit to open a screen where
you can modify the entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL confirms
you want to remove it before doing so.
Activate To turn on an entry, select it and click Activate.
Inactivate To turn off an entry, select it and click Inactivate.
Move 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.
The following read-only fields summarize the rules you have created that apply to traffic
traveling in the selected packet direction.
Status This icon is lit when the entry is active and dimmed when the entry is
inactive.
Priority This is the position of your firewall rule in the global rule list (including all
through-ZyWALL and to-ZyWALL rules). The ordering of your rules is
important as rules are applied in sequence. Default displays for the
default firewall behavior that the ZyWALL performs on traffic that does
not match any other firewall rule.
From
To
This is the direction of travel of packets to which the firewall rule applies.
Schedule This field tells you the schedule object that the rule uses. none means
the rule is active at all times if enabled.
User This is the user name or user group name to which this firewall rule
applies.
Source This displays the source address object to which this firewall rule applies.
Destination This displays the destination address object to which this firewall rule
applies.
Table 107 Configuration > Firewall (continued)
LABEL DESCRIPTION