User`s guide

Chapter 11 Packet Filter
P-660HN-Fx User’s Guide
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Figure 101 Security > Packet Filter
The following table describes the labels in this screen.
11.2.1 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.
Table 61 Security > Packet Filter
LABEL DESCRIPTION
# This field displays the index number of the filter set.
Name Enter a name for the filter set. The text may consist of up to 16 letters, numerals
and any printable character found on a typical English language keyboard.
Filter Type Select Protocol Filter or Generic Filter for your filter set.
Protocol filter rules are used to filter IP packets while generic filter rules allow
filtering of non-IP packets.
Modify Click the Edit button to configure a filter set.
Click the Remove button to delete a filter set.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.