ZyXEL Communications ZyXEL ExpWave 240B - Manual (Page 58)

ExpWave 240B Secure Outdoor Ethernet Radio Link
9-4 Filter Setup
Figure 9-4 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
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
Address 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]
Source: IP Address Enter the source 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
Source: IP Mask Enter the IP subnet mask to apply to the Source: IP Addr. IP Mask
Source: Port # Enter the source 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
Source: Port #
Comp Select the comparison to apply to the source port in the
packet against the value given in Source: Port #. None/Less/Greater/
Equal/Not Equal
TCP Estab This field is applicable only when IP Protocol field is 6,
TCP. If yes, the rule matches only established TCP
connections; else the rule matches all TCP packets. Yes/No
More If yes, a matching packet is passed to the next filter rule
before an action is taken; else the packet is disposed of
according to the action fields.
If More is Yes, then Action Matched and Action Not
Yes / N/A
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 #=
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.