01-23-2009
Quote:
Originally Posted by
pludi
Did you check with your provider if they allow inbound connections. Some do, some block the protocols you mentioned above.
I did not. Is there a simple way to do this, or must I call my ISP and ask them if they allow inbound connections on the relevant ports?
Also, if my ISP informs me that they will not allow the ports I need, is it possible to use different ports? For example, could I SSH over a port other than 22?
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LEARN ABOUT DEBIAN
tcpconnect
TCPCONNECT(1) General Commands Manual TCPCONNECT(1)
NAME
tcpconnect - general TCP/IP client
SYNOPSIS
tcpconnect [-irv] [-l localaddr] host port
DESCRIPTION
tcpconnect creates a TCP/IP connection to a server running on the machine host, listening to port port. It then reads standard input and
sends to the remote server, and data received from the server is printed to standard output. When end-of-file is reached on both standard
input and the TCP/IP connection, tcpconnect terminates.
OPTIONS
-i Terminate at end-of-file on standard input; don't wait for the server to close the connection.
-r Terminate when the remote server closes the connection; don't wait for end-of-file on standard input.
-v Verbose mode. Prints a message to standard error when the connection has been established.
-l addr:port
Bind the local end-point of the connection to IP address addr, TCP port port. Either the IP address or the port, but not both, may
be left out, meaning that the operating system gets to choose that part by itself.
SEE ALSO
tcplisten(1), telnet(1), tcpbug(1).
BUGS
The names of the options are not yet finalized, and may change at a future release.
1997 April 13 TCPCONNECT(1)