User`s guide

Prestige 128+ ISDN Router
Filter Configuration 11-9
The following table describes how to configure your TCP/IP filter rule.
Table 11-6 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
Addr
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/G
reater/Equal/
Not Equal]
Source: IP Addr 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 #.
Yes/No