Chapter 11 Packet Filter
Figure 103 Security > Packet Filter > Edit (Protocol Filter) > Edit Rule
The following table describes the labels in this screen.
Table 63 Security > Packet Filter > Edit (Protocol Filter) > Edit Rule
LABEL | DESCRIPTION |
Active | Select the check box to enable the filter rule. |
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Protocol | Select ICMP, TCP or UDP for the upper layer protocol. |
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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. |
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|
Destination | Enter the destination IP address of the packet you wish to filter. This field is ignored |
Address | if it is 0.0.0.0. |
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Destination | Enter the IP subnet mask for the destination IP address. |
Subnet Netmask |
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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. |
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|
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, Not Equal, Less and Greater. |
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|
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. |
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|
Source Subnet | Enter the IP subnet mask for the source IP address |
Netmask |
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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. |
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|
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, Not Equal, Less and Greater. |
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|
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. |
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180 |
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