02-05-2010
I suggest you start by accepting the (authorized) IP address of the source and rejecting all other IP addresses.
When you get that working, then you can refine to add the port.
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LEARN ABOUT CENTOS
libssh2_channel_forward_listen_ex
libssh2_channel_forward_listen_ex(3) libssh2 manual libssh2_channel_forward_listen_ex(3)
NAME
libssh2_channel_forward_listen_ex - listen to inbound connections
SYNOPSIS
#include <libssh2.h>
LIBSSH2_LISTENER * libssh2_channel_forward_listen_ex(LIBSSH2_SESSION *session, char *host, int port, int *bound_port, int queue_maxsize);
LIBSSH2_LISTENER * libssh2_channel_forward_listen(LIBSSH2_SESSION *session, int port);
DESCRIPTION
Instruct the remote SSH server to begin listening for inbound TCP/IP connections. New connections will be queued by the library until
accepted by libssh2_channel_forward_accept(3).
session - instance as returned by libssh2_session_init().
host - specific address to bind to on the remote host. Binding to 0.0.0.0 (default when NULL is passed) will bind to all available
addresses.
port - port to bind to on the remote host. When 0 is passed, the remote host will select the first available dynamic port.
bound_port - Populated with the actual port bound on the remote host. Useful when requesting dynamic port numbers.
queue_maxsize - Maximum number of pending connections to queue before rejecting further attempts.
libssh2_channel_forward_listen(3) is a macro.
RETURN VALUE
A newly allocated LIBSSH2_LISTENER instance or NULL on failure.
ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.
LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.
LIBSSH2_ERROR_PROTO - An invalid SSH protocol response was received on the socket.
LIBSSH2_ERROR_REQUEST_DENIED - The remote server refused the request.
LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block.
SEE ALSO
libssh2_channel_forward_accept(3)
libssh2 0.15 1 Jun 2007 libssh2_channel_forward_listen_ex(3)