Hitachi Gigabit Router GR2000 Series Enhanced Version Configuration Commands, Vol. 2
1-48
GR2K-GA-0014
Ver. 07-02
[<Port_Source>]
Transmitter port numbers are designated.
If port number to be designated is one: nnnnn
If port number is designated by range: nnnnn-nnnnn
Default:
None (the transmitter port number is not included in the flow
detecting condition.)
Range of value:
0 to 65535 (decimal). (Please refer to Table 1-32.)
[<Port_Destination>]
Destination port numbers are designated.
If port number to be designated is one: nnnnn
If port number is designated by range: nnnnn-nnnnn
Default:
None (the transmitter port number is not included in the flow
detecting condition.)
Range of value:
0 to 65535 (decimal). (Please refer to Table 1-32.)
[ack]
TCP single-direction communication permit (having one ACK flag) is designated.
Default:
None (the ACK flag is not included in the flow detecting
condition.)
Range of value:
None
Table 1-31 Relationship Between Upper and Lower IP User Data Length Limits and IP
User Data Length
Upper and
Lower Limits
Designation
Relationship between A (packet value) : (Total Length)
- (Header Length)) and B (IP user data length
designated in constituting definition information)
Result
-upper
A
≤
B
Agreed.
-upper
A > B
Disagreed.
-lower
A
≥
B
Agreed
-lower
A < B
Disagreed.
Table 1-32 General Port Number
Protocol No.
Protocol
20/tcp
File Transfer [Default Data]
21/tcp
File Transfer [Control]
22/tcp
Secure Shell Login
23/tcp
Telnet
25/tcp
Simple Mail Transfer
53/tcp
53/udp
Domain Name Server
80/tcp
World Wide Web HTTP
110/tcp 110/udp
Post Office Protocol - Version 3
161/udp
SNMP