上述错误的解决方案是什么？我在从 putty / tectia 安全 shell 工具连接时遇到了这个问题。我安装了 ubuntu server 18.04。以下是 ssh 和 sshd 的输出
bsaitechnosales@storage:~/.ssh$ sudo netstat -tupln | grep 22
tcp 0 0 127.0.0.1:9229 0.0.0.0:* LISTEN 2473/gitlab-workhor
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 8843/sshd
tcp6 0 0 :::22 :::* LISTEN 8843/sshd
bsaitechnosales@storage:~/.ssh$ sudo service ssh status
[sudo] password for bsaitechnosales:
● ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2018-12-07 16:06:39 +0545; 27min ago
Process: 8842 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS)
Main PID: 8843 (sshd)
Tasks: 1 (limit: 4915)
CGroup: /system.slice/ssh.service
└─8843 /usr/sbin/sshd -D
Dec 07 16:06:39 storage.bsaitechnosales.com systemd[1]: Starting OpenBSD Secure Shell server...
Dec 07 16:06:39 storage.bsaitechnosales.com sshd[8842]: /etc/ssh/sshd_config line 36: Deprecated option RSAAuthentication
Dec 07 16:06:39 storage.bsaitechnosales.com sshd[8843]: /etc/ssh/sshd_config line 36: Deprecated option RSAAuthentication
Dec 07 16:06:39 storage.bsaitechnosales.com sshd[8843]: Server listening on 0.0.0.0 port 22.
Dec 07 16:06:39 storage.bsaitechnosales.com sshd[8843]: Server listening on :: port 22.
Dec 07 16:06:39 storage.bsaitechnosales.com systemd[1]: Started OpenBSD Secure Shell server.
Dec 07 16:22:32 storage.bsaitechnosales.com sshd[10891]: rexec line 36: Deprecated option RSAAuthentication
Dec 07 16:22:32 storage.bsaitechnosales.com sshd[10891]: Protocol major versions differ for 192.168.0.102 port 51654: SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.1 vs. SSH-1.