ZyXEL Communications UAG5100 User Manual page 250

Table 109 Configuration > Firewall (continued)
LABEL DESCRIPTION
From Zone / To This is the direction of travel of packets. Select from which zone the packets come and to
Zone 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 LAN1 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 Device rules are for traffic that is destined for the UAG and control which computers can
manage the UAG.
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 UAG 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-UAG and
to-UAG rules). The ordering of your rules is important as rules are applied in sequence.
Default displays for the default firewall behavior that the UAG performs on traffic that
does not match any other firewall rule.
From This is the direction of travel of packets to which the firewall rule applies.
To
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.
IPv4 Source This displays the IPv4 source address object to which this firewall rule applies.
IPv4 Destination This displays the IPv4 destination address object to which this firewall rule applies.
Service This displays the service object to which this firewall rule applies.
Access This field displays whether the firewall silently discards packets (deny), discards packets
and sends a TCP reset packet to the sender (reject) or permits the passage of packets
(allow).
Log This field shows you whether a log (and alert) is created when packets match this rule or
not.
Apply Click Apply to save your changes back to the UAG.
Reset Click Reset to return the screen to its last-saved settings.
Chapter 25 Firewall
UAG5100 User's Guide
250