ZyXEL Communications P870HNU-51B User Manual page 164

Chapter 9 Firewall
Table 52 Security > Firewall > Rules: Add (continued)
LABEL
Direction
Protocol
Source IP Address
Source Subnet
Mask
Source Port
Destination IP
Address
Destination Subnet
Mask
Destination Port
Action
Reject Type
Back
Apply
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DESCRIPTION
Select a direction of travel of packets for which you want to configure the
firewall rule.
Select the IP protocol (TCP, UDP or ICMP) and enter the protocol (service
type) number in the port field.
Enter the source IP address in dotted decimal notation.
Enter the source subnet mask.
Enter a single port number or the range of port numbers of the source.
Enter the destination IP address in dotted decimal notation.
Enter the destination subnet mask.
Enter the port number of the destination.
Use the drop-down list box to select whether to discard (Drop), deny and send
an ICMP message to the sender of (Reject) or allow the passage of (Permit)
packets that match this rule.
If you select Reject, specify which type of ICMP message is sent to the sender.
Click Back to return to the previous screen.
Click Apply to save your customized settings and exit this screen.
P-870HNU-51b User's Guide