ZyXEL Communications PMG5318-B20B - Page 51

Chapter 7 Security
PMG5318-B20B User’s Guide
51
Figure 36 Incoming IP Filtering: Add
Table 32 Incoming IP Filtering: Add
LABEL DESCRIPTION
Filter Name Enter a descriptive name of up to 16 printable English keyboard characters, including
spaces.
IP Version Select the IP version for this rule.
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[/
prefix length]
Enter the source IP address in dotted decimal notation. You can also specify the prefix
length for the IP address. The prefix length indicates how much of the left-most portion
of the IP address is the same for all computers in the network, that is the network
address.
Source Port (port or
port:port):
Enter a single port number or a range of port numbers of the source.
Destination IP
address[/prefix
length]
Enter the destination IP address in dotted decimal notation. You can also specify the
prefix length for the IP address. The prefix length indicates how much of the left-most
portion of the IP address is the same for all computers in the network, that is the
network address.
Destination Port
(port or port:port):
Enter a single port number or a range of port numbers of the destination.
WAN Interfaces Select the WAN interface(s) to which to apply this rule.
Apply/Save Click this to save your customized settings and exit this screen.