ZyXEL P-861H-G2 User Guide - Page 195

Prestige 861H Series User's Guide, Filter Configuration, Menu 21.1.x.1 TCP/IP Filter Rule

Page 195 highlights

Prestige 861H Series User's Guide Table 57 Menu 21.1.x.1 TCP/IP Filter Rule (continued) FIELD DESCRIPTION Port # Port # Comp Source: Type the destination port of the packets you want to filter. The field range is 0 to 65535. A 0 field is ignored. 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. IP Addr IP Mask Port # Type the source IP Address of the packet you want to filter. A 0.0.0.0 field is ignored. Type the IP mask to apply to the Source: IP Addr field. 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 Log 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. 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. The following figure illustrates the logic flow of an IP filter. Chapter 21 Filter Configuration 194

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Prestige 861H Series User’s Guide
Chapter 21 Filter Configuration
194
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 57
Menu 21.1.x.1 TCP/IP Filter Rule (continued)
FIELD
DESCRIPTION