ZyXEL P-870H-53A v2 User Guide - Page 137
Table 47
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Chapter 10 Firewall The following table describes the labels in this screen. Table 47 Firewall > Incoming LABEL Active Firewall Active Filter Name Interfaces Protocol Source Address / Mask Source Port Dest. Address / Mask Dest. Port Modify DESCRIPTION Select this check box to enable the firewall on the ZyXEL Device. When the firewall is enabled, the ZyXEL Device blocks all incoming traffic from the WAN to the LAN. Create customized 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. Select this check box to enable the rule. This displays the name of the rule. This displays the WAN interface(s) to which this rule is applied. This displays the IP protocol that defines the service to which this rule applies. 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. This is the source port number. 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. This is the destination port number. Click the Edit icon to go to the screen where you can edit the rule. Add Apply Click the Remove icon to delete an existing rule. Note that subsequent rules move up by one when you take this action. Click Add to create a new rule. Click Apply to save your changes back to the ZyXEL Device. P-870H/HW Series User's Guide 137