# 建立SSH隧道时提示"Authorized users only. All activities may be monitored and reported."，是什么意思？
"Authorized users only. All activities may be monitored and reported."是SSH隧道建立成功的提示，如[图1]所示。
图1建立SSH隧道（成功提示）   
![](https://support.huaweicloud.com/cph_faq/zh-cn_image_0265712616.png "点击放大")
如果SSH隧道建立失败，会在这个提示下显示"Permission denied"、"Connection closed"等报错信息。