ZyXEL Communications P-793H v3 User Manual page 122

Figure 70 Security > Packet Filter > Edit (Protocol Filter) > Edit Rule
The following table describes the labels in this screen.
Table 44 Security > Packet Filter > Edit (Protocol Filter) > Edit Rule
LABEL DESCRIPTION
Active Select the check box to enable the filter rule.
Protocol Select ICMP, TCP or UDP for the upper layer protocol.
IP Source Route Select the check box to apply the filter rule to packets with an IP source route
option. The majority of IP packets do not have source route.
Destination Enter the destination IP address of the packet you wish to filter. This field is
Address ignored if it is 0.0.0.0.
Destination Enter the IP subnet mask for the destination IP address.
Subnet Netmask
Destination Port Enter the destination port of the packets that you wish to filter. The range of this
field is 0 to 65535. This field is ignored if it is 0.
Port Compare Select the comparison to apply to the destination port in the packet against the
value given in the Destination Port field.
Options are None, Equal and Not Equal.
Source Address Enter the source IP address of the packet you wish to filter. This field is ignored if
it is 0.0.0.0.
Source Subnet Enter the IP subnet mask for the source IP address
Netmask
Source Port Enter the source port of the packets that you wish to filter. The range of this field
is 0 to 65535. This field is ignored if it is 0.
Port Compare Select the comparison to apply to the source port in the packet against the value
given in the Source Port field.
Options are None, Equal and Not Equal.
TCP Estab This field is only available when you select TCP in the Protocol field.
Select Yes to have the rule match packets that want to establish a TCP
connection. This field is ignored if you select No.
Chapter 12 Packet Filter
P-79X Series User's Guide
122