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Prestige 791R G.SHDSL Router
Filter Configuration 12-11
Table 12-3 TCP/IP Filter Rule
FIELD DESCRIPTION EXAMPLE
IP Protocol This is the upper layer protocol, for example, TCP is 6,
UDP is 17 and ICMP is 1. The value must be between 0
and 255. A value of O matches ANY protocol.
0 to 255
IP Source Route IP Source Route is an optional header that dictates the
route an IP packet takes from its source to its destination.
If Yes, the rule applies to any packet with an IP source
route. The majority of IP packets do not have source
route.
No
(default)
Destination:
IP Addr
Type the destination IP address of the packet you want to
filter. This field is ignored if it is 0.0.0.0.
IP address
IP Mask Type the IP mask to apply to the Destination: IP Addr
field.
IP mask
Port # Type the destination port of the packets you want to filter.
The field range is 0 to 65535. A 0 field is ignored.
0 to 65535
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.
None
Source:
IP Addr
Type the source IP Address of the packet you want to
filter. A 0.0.0.0 field is ignored.
IP address
IP Mask
Type the IP mask to apply to the Source: IP Addr field.
IP mask
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.
0 to 65535
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.
None
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.
No
(default)
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.
No
(default)