19216811.live13-8
Filter Configuration
Table 13-3 TCP/IP Filter Rule Menu Fields
FIELD
DESCRIPTION
EXAMPLE
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.
No
Destination
IP Address
Enter the destination IP Address of the packet you wish to
filter. This field reads
don’t-care
if it is 0.0.0.0.
IP address
IP Mask
Enter the IP mask that will be used to mask the bits of the
IP address given in the
Destination IP Address
field.
IP mask
Port #
Enter the destination port of the packets that you wish to
filter. The range of this field is 0 to 65535. This field reads
don’t-care
if it is 0.
0-65535
Port # Comp
Select the comparison to apply to the destination port in
the packet against the value given in
Destination Port #
field.
Options are:
None
,
Less
,
Greater
,
Equal
or
Not
Equal
.
Equal
Source
IP Address
Enter the source IP Address of the packet you wish to
filter. This field reads
don’t-care
if it is 0.0.0.0.
IP Address
IP Mask
Enter the IP mask that will be used to mask the bits of the
IP address given in the
Source IP Address
field.
IP Mask
Port #
Enter the source port of the packets that you wish to filter.
The range of this field is 0 to 65535. This field
reads
don’t-care
if it is 0.
0-65535
Port # Comp
Select the comparison to apply to the source port in the
packet against the value given in
Source Port #
field.
Options are:
None
,
Less
,
Greater,
Equal
or
Not Equal
.
None
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