使用nc判断ssh版本和端口是否打开 Posted on 2024-04-272024-04-27 by adminnc -nvz 127.0.0.1 80 echo -e 'GET /' | nc -nvv 127.0.0.1 80 echo -e "SSH-2.0-OpenSSH" | nc -nvv -w1 127.0.0.1 22