ZyXEL Communications P-870HN-5xb - Page 165

Chapter 10 Firewall
P-870HN-5xb User’s Guide
165
The following table describes the labels in this screen.
Table 50 Firewall > Incoming
LABEL DESCRIPTION
Active Firewall Select this check box to enable the firewall on the Device. When the
firewall is enabled, the Device blocks all incoming traffic from the WAN
to the LAN. Create custom rules below to allow certain WAN users to
access your LAN or to allow traffic from the WAN to a certain computer
on the LAN.
Active Select this check box to enable the rule.
Filter Name This displays the name of the rule.
Interfaces This displays the WAN interface(s) to which this rule is applied.
Protocol This displays the IP protocol that defines the service to which this rule
applies.
Source Address
/ Mask
This displays the source IP addresses and subnet mask to which this
rule applies. Please note that a blank source address is equivalent to
Any.
Source Port This is the source port number.
Dest. Address /
Mask
This displays the destination IP addresses and subnet mask to which
this rule applies. Please note that a blank destination address is
equivalent to Any.
Dest. Port This is the destination port number.
Modify Click the Edit icon to go to the screen where you can edit the rule.
Click the Remove icon to delete an existing rule. Note that subsequent
rules move up by one when you take this action.
Add Click Add to create a new rule.
Apply Click Apply to save your changes back to the Device.