ZyXEL Communications Prestige 641, Руководство пользователя, Страница: 84 / 117

Prestige 641 ADSL Internet Access Router
8-6
Filter Configuration
Figure 8-4 Menu 21.1.1 - TCP/IP Filter Rule
The following table describes how to configure your TCP/IP filter rule.
Table 8-4 TCP/IP Filter Rule Menu Fields
Field Description Option
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
and 255 0-255
IP Source Route
If Yes, the rule applies to packet with IP source route
option; else the packet must not have source route option.
The majority of IP packets do not have source route.
Yes/No
Destination: IP
Addr Enter the destination IP Address of the packet you wish to
filter. This field is a don’t-care if it is 0.0.0.0. IP address
Destination: IP
Mask Enter the IP subnet mask to apply to the Destination: IP
Addr. Subnet mask
Destination: Port # Enter the destination port of the packets that you wish to
filter. The range of this field is 0 to 65535. This field is a
don’t-care if it is 0. 0-65535
Destination: Port #
Comp Select the comparison to apply to the destination port in
the packet against the value given in Destination: Port #. None/Less/Greater/
Equal/Not Equal
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.