libssh2_channel_direct_tcpip_ex man page

libssh2_channel_direct_tcpip_ex — Tunnel a TCP connection through an SSH session


#include <libssh2.h>

LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host, int port, const char *shost, int sport);

LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip(LIBSSH2_SESSION *session, const char *host, int port);


session - Session instance as returned by libssh2_session_init_ex(3)

host - Third party host to connect to using the SSH host as a proxy.

port - Port on third party host to connect to.

shost - Host to tell the SSH server the connection originated on.

sport - Port to tell the SSH server the connection originated from.

Tunnel a TCP/IP connection through the SSH transport via the remote host to a third party. Communication from the client to the SSH server remains encrypted, communication from the server to the 3rd party host travels in cleartext.

Return Value

Pointer to a newly allocated LIBSSH2_CHANNEL instance, or NULL on errors.


LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.

See Also


Referenced By


Explore man page connections for libssh2_channel_direct_tcpip_ex(3).

libssh2 0.15 1 Jun 2007