Prestige 202 ISDN Router
9-8
Filter Configuration
9.3.2 TCP/IP Filter Rule
This section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the
rule on the fields in the IP and the upper layer protocol, e.g., UDP and TCP headers.
To configure TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press [
Enter]
to open
Menu 21.1.1 – TCP/IP Filter Rule
, as shown next.
Figure 9-7 Menu 21.1.1
–
TCP/IP Filter Rule
The following table describes how to configure your TCP/IP filter rule.
Table 9-4 TCP/IP Filter Rule Menu Fields
FIELD
DESCRIPTION
OPTION
Filter #
This is the filter set, filter rule coordinates, i.e., 2, 3 refers
to the second filter set and the third filter rule of that set.
Filter Type
Use [space bar] to toggle between types of rules.
Parameters displayed for each type will be different.
TCP/IP Filter Rule/
Generic Filter Rule
Active
This field activates/deactivates the filter rule.
Yes/No
IP Protocol
Protocol refers to the upper layer protocol, e.g., TCP is
6
,
UDP is
17
and ICMP is
1
. This value must be between
0
0
to
255
Menu 21.1.1 - TCP/IP Filter Rule
Filter #: 1,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 6 IP Source Route= No
Destination: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 137
Port # Comp= Equal
Source: IP Addr= 0.0.0.0
IP Mask= 0.0.0.0
Port #= 0
Port # Comp= None
TCP Estab= No
More= No Log= None
Action Matched= Drop
Action Not Matched= Check Next Rule
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.
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