Nortel BCM50a, Configuration Manual

Page: 125 / 315

Chapter 11 Filter configuration 125
BCM50a Integrated Router Configuration — Advanced
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 65 535.
This field is ignored if it is 0.
0-65535
Port # Comp Press [SPACE BAR] and then [ENTER] to 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 ignored if it is 0.0.0.0.
0.0.0.0
IP Mask Enter the IP mask to apply to the Source: IP Addr . 0.0.0.0
Port # Enter the source port of the packets that you wish to
filter. The range of this field is 0 to 65 535. This field
is ignored if it is 0.
0-65535
Port # Comp Press [SPACE BAR] and then [ENTER] to 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 the IP Protocol field
is 6, TCP. Press [SPACE BAR] and then [ENTER] to
select Yes to have the rule match packets that want
to establish a TCP connection (SYN=1 and ACK=0);
if No , it is ignored.
Yes
No
More Press [SPACE BAR] and then [ENTER] to select
Yes or No . If Yes , a matching packet is passed to
the next filter rule before an action is taken; if No , 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 .
Yes
No
Log Press [SPACE BAR] and then [ENTER] to select a
logging option from the following:
None – No packets are logged.
Action Matched - Only packets that match the rule
parameters are logged.
Action Not Matched - Only packets that do not
match the rule parameters are logged.
Both – All packets are logged.
None
Action
Matched
Action Not
Matched
Both
Table 25 TCP/IP Filter Rule Menu fields
Field Description Options