ZyXEL Communications P-870HW-51a v2 User Manual

Chapter 9 IP Filter

P-870HW-51a v2 User’s Guide

In the Incoming screen, click Add to display this screen and refer to the following 
table for information on the labels.

Figure 59   Incoming IP Filtering: Add

The following table describes the labels in this screen.

Table 34   Incoming IP Filtering: Add

Filter Name

Enter a descriptive name of up to 16 printable English keyboard 
characters, including spaces.

WAN Interfaces

Select the WAN interface to which this rule applies. 

Protocol

Select the IP protocol (TCP/UDP, TCP, UDP or ICMP) and enter the 
protocol (service type) number in the port field.

Source IP 
Address

Enter the source IP address in dotted decimal notation.

Source Subnet 
Mask

Enter the source subnet mask.

Source Port

Enter a single port number or the range of port numbers of the source.

Destination IP 
Address

Enter the destination IP address in dotted decimal notation.

Destination 
Subnet Mask

Enter the destination subnet mask.

Destination Port

Enter the port number of the destination.