Arris NVG599, Administrator'S Handbook

Page: 62 / 228

Administrator’s Handbook
62
Working with Packet Filters
To work with filters:
1. Accessing the Packet Filter page by clicking the Packet Filter link.
2. Globally turn filters on or off by clicking the
Enable/Disable Packet Filters
button.
3. Select the type of packet filter rule by clicking either the
Add a ‘Drop’ Rule
or
Add a ‘Pass’ Rule
button.
• If you select a drop rule, the specified packets will be blocked.
• If you select a pass rule, the specified packets will be forwarded.
4. Click the Add Match button to enter the source IP address or destination IP address this filter will match on.
As you create new matches, the list items change. There can only be one match from each match type for a
given rule. Match types like
Source Port, Destination Port, and TCP Flags are only available if other matches
(for example, Protocol =TCP ) have previously been created.
5. Select a protocol, if necessary, from the pull-down menu:
ICMP
,
TCP
,
UDP
, or
None
to specify any another IP
transport protocol.
If you chose
by number , enter the Protocol by number here.
If you chose by name , enter the Protocol by name here.
Enter the Source Port this filter will match on.
Enter the Destination Port this filter will match on.
If you selected ICMP , enter the ICMP Type here.