libssh2\_channel\_forward\_cancel(3) libssh2 libssh2\_channel\_forward\_cancel(3)

# [NAME](#NAME)

libssh2\_channel\_forward\_cancel - cancel a forwarded TCP port

# [SYNOPSIS](#SYNOPSIS)

```
#include <libssh2.h>
int
libssh2_channel_forward_cancel(LIBSSH2_LISTENER *listener);
```

# [DESCRIPTION](#DESCRIPTION)

*listener* - Forwarding listener instance as returned by [**libssh2\_channel\_forward\_listen\_ex(3)**](/man/os/libssh2/libssh2_channel_forward_listen_ex.3)

Instruct the remote host to stop listening for new connections on a previously requested host/port.

# [RETURN VALUE](#RETURN_VALUE)

Return 0 on success or negative on failure. It returns LIBSSH2\_ERROR\_EAGAIN when it would otherwise block. While LIBSSH2\_ERROR\_EAGAIN is a negative number, it is not really a failure per se.

# [ERRORS](#ERRORS)

*LIBSSH2\_ERROR\_ALLOC* - An internal memory allocation call failed.

*LIBSSH2\_ERROR\_SOCKET\_SEND* - Unable to send data on socket.

# [SEE ALSO](#SEE_ALSO)

[**libssh2\_channel\_forward\_listen\_ex(3)**](/man/os/libssh2/libssh2_channel_forward_listen_ex.3)

1 Jun 2007 libssh2 0.15

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Document: libssh2_channel_forward_cancel(3) from libssh2 1.11.1-r11 (Chainguard OS)
Source: https://github.com/libssh2/libssh2.git