Chapter 12 Packet Filter
12.2.1 Editing Protocol Filters
Use this screen to display a protocol filter set on your ZyXEL Device. Protocol rules allow you to base the rule on the fields in the IP and the upper layer protocol, for example, UDP and TCP headers.
In the Packet Filter screen, select Protocol Filter from the Filter Type field. Then click the Edit button from the Modify field to display the following screen.
Figure 91 Security > Packet Filter > Edit (Protocol Filter)
The following table describes the labels in this screen.
Table 62 Security > Packet Filter > Edit (Protocol Filter)
LABEL | DESCRIPTION |
# | This is the index number of the rules in a filter set. |
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Active | Use the check box to turn a filter rule on or off. |
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Filter Type | This field displays whether the filter type is a protocol filter or generic |
| filter. |
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Protocol | This field displays the upper layer protocol. |
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SA | This field displays the source IP address. |
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DA | This field displays the destination IP address. |
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Modify | Click the Edit icon to configure a filter rule. |
| Click the Remove icon to delete a filter rule. |
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Back | Click this to return to the previous screen without saving. |
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Apply | Click this to save your changes. |
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Cancel | Click this to restore your previously saved settings. |
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