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ssh_exchange_identification：未受保护的端口

tag-icon • tag-icon linux ssh openssh sshd minix
ssh_exchange_identification：未受保护的端口

minix我想通过 VirtualBox登录客户系统ssh并收到错误ssh_exchange_identification: Connection closed by remote host。

打开详细标志后，完整的输出是：

OpenSSH_5.5p1 Debian-4ubuntu6, OpenSSL 0.9.8o 01 Jun 2010
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 127.0.0.1 [127.0.0.1] port 5000.
debug1: Connection established.
debug1: identity file /home/id/.ssh/id_rsa type -1
debug1: identity file /home/id/.ssh/id_rsa-cert type -1
debug1: identity file /home/id/.ssh/id_dsa type 2
debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024
debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024
debug1: identity file /home/id/.ssh/id_dsa-cert type -1
debug1: ssh_exchange_identification: \001/usr/bin/in.rshd: unprotected port (39852)

ssh_exchange_identification: Connection closed by remote host

上有/usr/bin/in.rshdssh 服务器minix。我不知道出了什么问题。可能是什么问题？

答案1

我不认为你连接的是 ssh 服务器。它似乎是一个rsh 服务器，rsh 是 ssh 的前身，但它不具备 ssh 的加密或强身份验证功能。

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