ZyXEL Communications P-335WT - Manual (Page 339)

P-335 Series User’s Guide
Chapter 31 Filter Configuration 339
31.2.2 Configuring a 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, for example, 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 21.1.1.1 - TCP/IP Filter Rule, as shown next
Figure 192 Menu 21.1.1.1 TCP/IP Filter Rule.
Menu 21.1.1.1 - TCP/IP Filter Rule
Filter #: 1,1
Filter Type= TCP/IP Filter Rule
Active= Yes
IP Protocol= 0 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 #=
Port # Comp= None
TCP Estab= N/A
More= No Log= None
Action Matched= Check Next Rule
Action Not Matched= Check Next Rule
Press ENTER to Confirm or ESC to Cancel:
The following table describes how to configure your TCP/IP filter rule.
Table 121 TCP/IP Filter Rule
FIELD DESCRIPTION OPTIONS
Active Press [SPACE BAR] and then [ENTER] to select Yes to activate
the filter rule or No to deactivate it.
Yes
No
IP Protocol Protocol refers to the upper layer protocol, e.g., TCP is 6, UDP is
17 and ICMP is 1. Type a value between 0 and 255. A value of 0
matches ANY protocol.
0-255
IP Source Route Press [SPACE BAR] and then [ENTER] to select Yes to apply
the rule to packets with an IP source route option. Otherwise the
packets must not have a source route option. The majority of IP
packets do not have source route.
Yes
No
Destination
IP Address Enter the destination IP Address of the packet you wish to filter.
This field is ignored if it is 0.0.0.0.
0.0.0.0
IP Mask Enter the IP mask to apply to the Destination: IP Addr. 0.0.0.0
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 ignored if it is 0.
0-65535