我正在尝试使用 winSCP 连接到我们的远程服务器。之前是可以用的。但从今天开始我无法使用 SFTP 连接到服务器。如果我将协议更改为 SCP，那么我就可以连接。我也可以使用腻子进行连接。
以下是 winSCP 日志。（删除了主机详细信息）
. 2011-11-07 20:18:54.593 Using SFTP protocol.
. 2011-11-07 20:18:54.593 Doing startup conversation with host.
> 2011-11-07 20:18:54.593 Type: SSH_FXP_INIT, Size: 5, Number: -1
. 2011-11-07 20:18:54.593 Server sent command exit status 127
. 2011-11-07 20:18:54.593 Disconnected: All channels closed
* 2011-11-07 20:18:54.624 (ESshFatal) Connection has been unexpectedly closed. Server sent command exit status 127.
* 2011-11-07 20:18:54.624 Cannot initialize SFTP protocol. Is the host running a SFTP server?
. 2011-11-07 20:31:40.036 …