現象
Windows Subsystem for LinuxにUbuntuを載せています。
adminユーザーを作成し、SSH接続を行いましたが Permission denied
と言われ接続できません。
$ ssh wsl@localhost wsl@localhost's password: Permission denied, please try again.
sshd_config
# Package generated configuration file # See the sshd_config(5) manpage for details # What ports, IPs and protocols we listen for Port 22 # Use these options to restrict which interfaces/protocols sshd will bind to #ListenAddress :: #ListenAddress 0.0.0.0 Protocol 2 # HostKeys for protocol version 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key HostKey /etc/ssh/ssh_host_ecdsa_key HostKey /etc/ssh/ssh_host_ed25519_key #Privilege Separation is turned on for security UsePrivilegeSeparation yes # Lifetime and size of ephemeral version 1 server key KeyRegenerationInterval 3600 ServerKeyBits 1024 # Logging SyslogFacility AUTH LogLevel INFO # Authentication: LoginGraceTime 120 PermitRootLogin prohibit-password StrictModes yes RSAAuthentication yes PubkeyAuthentication yes #AuthorizedKeysFile %h/.ssh/authorized_keys # Don't read the user's ~/.rhosts and ~/.shosts files IgnoreRhosts yes # For this to work you will also need host keys in /etc/ssh_known_hosts RhostsRSAAuthentication no # similar for protocol version 2 HostbasedAuthentication no # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication #IgnoreUserKnownHosts yes # To enable empty passwords, change to yes (NOT RECOMMENDED) PermitEmptyPasswords no # Change to yes to enable challenge-response passwords (beware issues with # some PAM modules and threads) ChallengeResponseAuthentication no # Change to no to disable tunnelled clear text passwords PasswordAuthentication yes # Kerberos options #KerberosAuthentication no #KerberosGetAFSToken no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes X11Forwarding yes X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes #UseLogin no #MaxStartups 10:30:60 #Banner /etc/issue.net # Allow client to pass locale environment variables AcceptEnv LANG LC_* Subsystem sftp /usr/lib/openssh/sftp-server # Set this to 'yes' to enable PAM authentication, account processing, # and session processing. If this is enabled, PAM authentication will # be allowed through the ChallengeResponseAuthentication and # PasswordAuthentication. Depending on your PAM configuration, # PAM authentication via ChallengeResponseAuthentication may bypass # the setting of "PermitRootLogin without-password". # If you just want the PAM account and session checks to run without # PAM authentication, then enable this but set PasswordAuthentication # and ChallengeResponseAuthentication to 'no'. UsePAM yes
SSHD再起動時にメッセージ
$ sudo /etc/init.d/ssh restart [sudo] password for wsl: Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_dsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key * Restarting OpenBSD Secure Shell server sshd Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_dsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key [ OK ]
22番ポートの状態確認
Openしているようです。
wsl@NP-143:/mnt/c/Users/kazuki_tsunemi$ nmap -p ssh localhost Starting Nmap 7.01 ( https://nmap.org ) at 2018-06-11 19:19 DST Problem binding to interface , errno: 92 socket_bindtodevice: Protocol not available Problem binding to interface , errno: 92 socket_bindtodevice: Protocol not available Problem binding to interface , errno: 92 socket_bindtodevice: Protocol not available Problem binding to interface , errno: 92 socket_bindtodevice: Protocol not available Problem binding to interface , errno: 92 socket_bindtodevice: Protocol not available Nmap scan report for localhost (127.0.0.1) Host is up (0.88s latency). PORT STATE SERVICE 22/tcp open ssh
確認ポイント
/etc/ssh/sshd_config
のPasswordAuthentication yes
になっている- Windows側のFWは切っている
- ユーザーのパスワードは設定している
- sshサービスが設定後に再起動をしている
- 22ポートは開いている
なにか思い当たる原因がありましたら教えてください。
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