ZyXEL Communications ADSL 2+ Gateway P-660HW-T1 User Manual
Page 278
P-660H/HW/W-T Series User’ Guide
Chapter 29 Filter Configuration
278
The following figure illustrates the logic flow of an IP filter.
Port #
Type the destination port of the packets you want to filter. The field range is 0 to
65535. A 0 field is ignored.
Port # Comp
Select the comparison to apply to the destination port in the packet against the value
given in Destination: Port #. Choices are None, Less, Greater, Equal or Not
Equal.
Source:
IP Addr
Type the source IP Address of the packet you want to filter. A 0.0.0.0 field is ignored.
IP Mask
Type the IP mask to apply to the Source: IP Addr field.
Port #
Type the source port of the packets you want to filter. The range of this field is 0 to
65535. A 0 field is ignored.
Port # Comp
Select the comparison to apply to the source port in the packet against the value
given in Source: Port # field. Choices are None, Less, Greater, Equal or Not
Equal.
TCP Estab
This applies only when the IP Protocol field is 6, TCP. If Yes, the rule matches
packets that want to establish TCP connection(s) (SYN=1 and ACK=0); else it is
ignored.
More
If Yes, a matching packet is passed to the next filter rule before an action is taken or
else the packet is disposed of according to the action fields.
If More is Yes, then Action Matched and Action Not Matched will be N/A.
Log
Select the logging option from the following:
None – No packets will be logged.
Action Matched – Only packets that match the rule parameters will be logged.
Action Not Matched – Only packets that do not match the rule parameters will be
logged.
Both – All packets will be logged.
Action Matched
Select the action for a matching packet. Choices are Check Next Rule, Forward or
Drop.
Action Not
Matched
Select the action for a packet not matching the rule. Choices are Check Next Rule,
Forward or Drop.
When you have completed this menu, press [ENTER] at the prompt “
Press ENTER to Confirm
or ESC to Cancel:
” to save your configuration, or press [ESC] at any time to cancel.
Table 96 Menu 21.1.x.1 TCP/IP Filter Rule (continued)
FIELD
DESCRIPTION