检查您的IP是否暴露了任何端口。如果你看到404页，没有任何东西暴露出来

SSH2.0-openSSH_7.6p1Ubuntu-4ubuntu0.3密钥类型：ssh-rsa密钥：AAAAB3NzaC1yc2EAAAADAQABAAABAQCkkFoszX+w41l6qDHs7gP7kOUh8M5xGCHi4WBYU4xdwJEbCnXS7UPtWka+kc545Bt4cxN7oXzPA6e1LN6l+fpaBD9fKqf/nRxsVENRUM7MJHjozKo436ly8yySc5s7jawuRctWZ6ueVbqeG00+xKHnrPbhanboDhObzqpjA62YyBATW+ToPniYeGCwlMC4WK3bmmmUVXkTAjVQX8rQtbuf7iH8i26pmmoiE02WHZVIRFPZO8h9/oSzEZIE+itcOK4ko/uNTmHUx+LG4Az4CSxn8maj/aAH2uzkkb/koGbZB3dn/w6a5LStJHf9FWNQ0Gb6HZuc6gF3vwB5NTe4QlgPFingerprint：85:e8:5b:a9:bf:c0:0a:e8:50:d8:70:58:3c:32:41:84Kex算法：curve25519-sha256 curve25519-sha256@libssh.orgecdh-sha2-nistp256ecdh-sha2-nistp384ecdh-sha2-nistp521diffie-hellman-group-exchange-sha256diffie-helman-group16-sha512diffie-hellman-group14-sha512diffie-helman-group14-sha512diffie-hellman-group14-sha512diffie-hellman-group14-shaffie-hellman-group14-sha512diffie-hellman-group14-shaffie-hellman-group14。-sha1服务器主机密钥算法：ssh-rsa rsa-sha2-512 rsa-sha2-256 ecdsa-sha2-nistp256 ssh-ed25519加密算法：[email protected] AES128-CTR AES192-CTR AES256-CTR [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]@openssh.com hmac-sha2-256 hmac-sha2-512 hmac-sha1压缩算法：无[email protected]。

http/1.1 200 OK 日期：周一，2020年9月7日02：46：08格林尼治标准时间 内容-长度：611 内容类型：text/html；字符集=utf-8