@
xfwduke ```
OpenSSH_6.9p1, LibreSSL 2.1.8
debug1: Reading configuration data /Users/tory/.ssh/config #为了使用不同私钥登录我在这个 config 文件指定了映射
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 21: Applying options for * #好像是这句
debug1: auto-mux: Trying existing master
debug2: fd 3 setting O_NONBLOCK
debug2: mux_client_hello_exchange: master version 4
debug3: mux_client_forwards: request forwardings: 0 local, 0 remote
debug3: mux_client_request_session: entering
debug3: mux_client_request_alive: entering
debug3: mux_client_request_alive: done pid = 41395
debug3: mux_client_request_session: session request sent
debug1: mux_client_request_session: master session id: 6
Last login: Thu Jun 23 23:48:36 2016 from 192.168.0.130
```
这个是我连接 server2 的时候产生的。
有点儿看不懂。/囧。