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Comet Tip |
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November 30, 2000
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CometAnywhere Port Number
The communication between a Comet host system and CometAnywhere remote system is done using Transmission Control Protocol (TCP) and Internet Protocol (IP). These protocols allow data to be sent via a specific port number.
There are 65536 port numbers available with TCP/IP.
· Ports 0 through 1023 are reserved for services such as HyperText Transport Protocol (HTTP), Simple Mail Transport Protocol (SMTP), File Transfer Protocol (FTP), Telnet, etc. These reserved ports are the "well-known port numbers" and are controlled by the Internet Assigned Numbers Authority.
· The other ports are divided into the "registered ports" (1024 through 49151) and the "dynamic and/or private ports" (49152 through 65535).
The default TCP/IP port number for CometAnywhere is 11751. This port is an unassigned port in the range of "registered ports."
If you want to use another port number to connect a CometAnywhere remote system to a Comet host system, you must specify the new port number in two places:
· on the CometAnywhere remote system using the /CAPORT command line option, or the following COSW.INI option
· on the host Comet system, via the following entries in the COSW.INI file (works on remote systems also):
[NetConfig]
CAPort=port-number
Example (using port number 54321):
· command line option on CometAnywhere remote system:
cosw.exe /CAPORT:54321 /NET
· COSW.INI entry on host system:
[NetConfig]
CAPort=54321
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