ZyXEL Communications Prestige 794M - Manual (Page 70)

Prestige 794M User’s Guide
Chapter 6 Firewall 70
6.4.2 Add a New Raw Packet Filter
To add a new raw packet filter, click Add Raw Filter in the Packet Filters screen.
Figure 48 Firewall: Packet Filters: Add Raw Filter
The following table describes the labels in this screen.
Source IP
Address(es)
Enter the start source IP address in dotted decimal notation. For example,
192.168.1.10.
In the Netmask field, enter the source subnet mask address in dotted decimal
notation. For example, 255.255.255.0.
Destination IP
Address(es)
Enter the end source IP address in dotted decimal notation. Enter the same source
IP address here if you want to filter packets to or from an IP address. For example,
192.168.1.10.
In the Netmask field, enter the destination subnet mask in dotted decimal notation.
For example, 255.255.255.0.
Type Select the packet type to filter. Choices are TCP and UDP.
Source Port Specify the source port or a range of source port numbers in the fields provided.
Destination Port Specify the destination port or a range of destination port numbers in the fields
provided.
Inbound/Outbound Specify whether to deny (Block) or allow (Allow) incoming (from the Internet) or
out-going (to the Internet) traffic.
Apply Click Apply to save the settings and return to the main Packet Filter screen.
Return Click Return to discard all changes and go back to the main Packet Filter screen.
Table 32 Firewall: Packet Filters: Add TCP/UDP Filter (continued)
LABEL DESCRIPTION
Table 33 Firewall: Packet Filters: Add Raw Filter
LABEL DESCRIPTION
Rule Name Enter a descriptive name for identification purposes.
Time Schedule Specify the time in which this filter is active. Select Always On to activate the rule
all the time. Otherwise select a time you configure in the Time Schedule screen.
Protocol Number Enter a protocol number.
Inbound/Outbound Specify whether to deny (Block) or allow (Allow) incoming (from the Internet) or
out-going (to the Internet) traffic.