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Bramble
V2EX  ›  SSH

ssh 连接失败, ssh_exchange_identification: read: Connection reset by peer

  •  
  •   Bramble · 2017-04-09 10:23:00 +08:00 · 5251 次点击
    这是一个创建于 2545 天前的主题,其中的信息可能已经有所发展或是发生改变。

    最近在寝室用 wifi 连实验室服务器出现了问题。错误提示是 ssh_exchange_identification: read: Connection reset by peer 。但是用手机开热点后,能成功连接。在网上看了很多资料也不知道具体是什么原因,想请教一下这个问题该怎么解决。

    连接的错误消息,我都不确定问题是出在本地客户端还是远程服务器上。

    ❯ ssh -v myname@server
    OpenSSH_6.9p1, LibreSSL 2.1.8
    debug1: Reading configuration data /Users/xu/.ssh/config
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: /etc/ssh/ssh_config line 21: Applying options for *
    debug1: Connecting to server port 22.
    debug1: Connection established.
    debug1: identity file /Users/xu/.ssh/id_rsa type 1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_rsa-cert type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_dsa type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_dsa-cert type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_ecdsa type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_ecdsa-cert type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_ed25519 type -1
    debug1: key_load_public: No such file or directory
    debug1: identity file /Users/xu/.ssh/id_ed25519-cert type -1
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_6.9
    ssh_exchange_identification: read: Connection reset by peer
    

    查资料的时候发现好像和 hosts.deny 和 hosts.allow 这两个文件也有关系

    > cat /etc/hosts.allow
    ALL: 192.168.4.0/255.255.255.0
    ALL: 127.0.0.0/255.0.0.0
    
    sshd: 192.168.4.0/255.255.255.0
    sshd: 192.168.1.0/255.255.255.0
    sshd: 133.9.0.0/255.255.0.0
    sshd: .jp
    sshd: 114.255.218.0/255.255.255.0
    
    rcpbind: 192.168.4.0/255.255.255.0
    
    > cat /etc/hosts.deny
    ALL:ALL
    
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