Prestige 645 ADSL Internet Access Router
8-12
Filter
Configuration
8.3.1 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 a TCP/IP rule, 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 8-10 Menu 21.1.1 - TCP/IP Filter Rule
The following table describes how to configure your TCP/IP filter rule.
Table 8-5 TCP/IP Filter Rule Menu Fields
FIELD
DESCRIPTION
EXAMPLE
Active
Use
Yes
to activate and
No
to deactivate the filter rule.
Yes
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
and 255
6
IP Source Route
IP source route is an optional header that dictates the
route an IP packet takes from its source to its destination.
If
Yes
, the rule applies to any packet with an IP source
route. The majority of IP packets do not have source route.
No
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= Check Next Rule
Action Not Matched= Check Next Rule
Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.
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