# ssh2_tunnel

(PECL ssh2 >= 0.9.0)

ssh2_tunnel — Open a tunnel through a remote server

### 说明

ssh2_tunnel ( resource `$session` , string `$host` , int `$port` ) : resource

Open a socket stream to an arbitrary host/port by way of the currently connected SSH server.

### 参数

`session`

  An SSH connection link identifier, obtained from a call to ssh2_connect().

`host`

`port`

### 返回值

### 范例

Example #1 Opening a tunnel to an arbitrary host

    <?php
    $connection = ssh2_connect('shell.example.com', 22);
    ssh2_auth_pubkey_file($connection, 'username', 'id_dsa.pub', 'id_dsa');

    $tunnel = ssh2_tunnel($connection, '10.0.0.101', 12345);
    ?>

### 参见

- ssh2_connect() - Connect to an SSH server
- fsockopen() - 打开一个网络连接或者一个Unix套接字连接