WindowsからCentOSへの多段SSHログインのためのconfigファイルの設定について

Question

前提・実現したいこと

Windows10のローカルマシンから、CentOSのリモートマシンRM1を踏み台にして、別のCentOSリモートマシンRM2にSSHログインするためのconfigファイルを作成したいのですが、上手くいきません。

発生している問題・エラーメッセージ

エラーメッセージ
λ ssh rm2
[e-mail].Y: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,hostbased).

該当のソースコード

ソースコード
Host rm1
  Hostname XXX.XX.XX.X
  User username
  IdentityFile C:\Users\username\key
  ServerAliveInterval 120 
  ServerAliveCountMax 5
  
host rm2
  Hostname YYY.YY.YY.Y
  User username
  IdentityFile C:\Users\username\key
　ProxyCommand ssh -CW %h:%p rm1
  ServerAliveInterval 120 
  ServerAliveCountMax 5

試したこと

以下の方法でのRM2へのログインは成功しました。

λ ssh rm1 -t "ssh YYY.YY.YY.Y"
[username@rm2 ~]$

または、

λ ssh rm1
[username@rm1 ~]$ ssh YYY.YY.YY.Y
[username@rm2 ~]$

さらに、上記でrm2へのログインは鍵を指定しなくても通っているため、configファイルの「host rm2」から"IdentityFile C:\Users\username\key"を削除した場合も試しましたが、同様のエラーが発せしました。
λ ssh rm2
[e-mail].Y: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,hostbased).

補足情報（FW/ツールのバージョンなど）

ローカルマシン：　 Windows 10 Pro 1803
リモートマシン：　 CentOS Linux release 7.4.1708 (Core)
SSHクライアント： Windows 10 標準 OpenSSH Client
使用コンソール：　 Cmder Version 1.3.11.843

Answer 1

ssh rm2

[e-mail].Y: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,hostbased).

エラーメッセージから rm2 に接続しに行ってるのでおそらく違う問題でしょうけれど、
手元の環境では以下のように ssh.exe にしなければいけませんでした。

host rm2
  ～略～
　ProxyCommand ssh.exe -CW %h:%p rm1

念のためこれを試してみて下さい。
駄目だった場合は ssh -vvv rm2 の出力を出せませんか?

---

設定ファイルには

host rm2
  ～略～
  IdentityFile C:\Users\username\key

と書かれていますが、ログを見るとこのC:\Users\username\keyを使おうとしていないようです。
そして他には公開鍵が作られていなく、サーバも公開鍵認証のみ受け付けるようになっている為に認証が失敗しています。
この行は今もちゃんと書かれていますか? 書かれていない場合は書いた状態での ssh -vvv rm2 の結果を出せますか?

λ ssh -vvv YYY.YY.YY.Y
OpenSSH_for_Windows_7.6p1, LibreSSL 2.6.4

これはローカルのWindows10のマシンで実行していますよね。
そうではなく、ssh rm1 でRM1にログインした状態で、そこからssh -vvv YYY.YY.YY.Yをした結果を出せますか?

ログの量が多いので、コメントではなく質問本文に追加する形の方がいいと思います。

Comments

[i113]

ご解答ありがとうございます。
残念ながら同様のエラーが発生してしまいました。

[doda]

で、ssh -vvv rm2 の結果は出せないのでしょうか?
permission denied のエラーは認証が失敗した時に出る物で、なぜ失敗したのかを絞り込むにはデバッグ出力が無いと難しいです。
あと、ssh rm1 した後に ssh -vvv YYY.YY.YY.Y も有ると調べやすいです。

[i113]

すみません。見落としていました。
10000文字を超えるため分割します。

λ ssh -vvv rm2
OpenSSH_for_Windows_7.6p1, LibreSSL 2.6.4
debug1: Reading configuration data C:\Users\username/.ssh/config
debug1: C:\Users\username/.ssh/config line 17: Applying options for rm2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_config error:2
debug1: Executing proxy command: exec ssh.exe -W YYY.YY.YY.Y:22 rm1
debug3: spawning C:\WINDOWS\System32\OpenSSH\ssh.exe -W YYY.YY.YY.Y:22 rm1
debug3: w32_getpeername ERROR: not sock :2
debug3: Failed to open file:C:\Users\username/.ssh/id_rsa error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_rsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_rsa type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_rsa-cert error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_rsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_rsa-cert type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_dsa error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_dsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_dsa type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_dsa-cert error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_dsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_dsa-cert type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_ecdsa error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_ecdsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_ecdsa type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_ecdsa-cert error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_ecdsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_ecdsa-cert type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_ed25519 error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_ed25519.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_ed25519 type -1
debug3: Failed to open file:C:\Users\username/.ssh/id_ed25519-cert error:2
debug3: Failed to open file:C:\Users\username/.ssh/id_ed25519-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_for_Windows_7.6
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4
debug1: match: OpenSSH_7.4 pat OpenSSH* compat 0x04000000
debug2: fd 5 setting O_NONBLOCK
debug2: fd 4 setting O_NONBLOCK
debug1: Authenticating to YYY.YY.YY.Y:22 as 'username'
debug3: hostkeys_foreach: reading file "C:\Users\username/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file C:\Users\username/.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from YYY.YY.YY.Y
debug3: Failed to open file:C:\Users\username/.ssh/known_hosts2 error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts2 error:2
debug3: order_hostkeyalgs: prefer hostkeyalgs: [e-mail],[e-mail],[e-mail],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: [e-mail],[e-mail],[e-mail],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[e-mail],[e-mail],ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none
debug2: compression stoc: none
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[e-mail]
debug2: compression stoc: none,[e-mail]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: [e-mail] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [e-mail] MAC: <implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug3: hostkeys_foreach: reading file "C:\Users\username/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file C:\Users\username/.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from YYY.YY.YY.Y
debug3: Failed to open file:C:\Users\username/.ssh/known_hosts2 error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts2 error:2
debug1: Host 'YYY.YY.YY.Y' is known and matches the ECDSA host key.
debug1: Found key in C:\Users\username/.ssh/known_hosts:2
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug3: unable to connect to pipe \\.\pipe\openssh-ssh-agent, error: 2
debug1: pubkey_prepare: ssh_get_authentication_socket: No such file or directory
debug2: key: C:\Users\username/.ssh/id_rsa (0000000000000000)
debug2: key: C:\Users\username/.ssh/id_dsa (0000000000000000)
debug2: key: C:\Users\username/.ssh/id_ecdsa (0000000000000000)
debug2: key: C:\Users\username/.ssh/id_ed25519 (0000000000000000)
debug3: send packet: type 5
debug3: receive packet: type 7

[i113]

続き

debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: start over, passed a different list publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: preferred publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: C:\Users\username/.ssh/id_rsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username/.ssh/id_rsa: No such file or directory
debug1: Trying private key: C:\Users\username/.ssh/id_dsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username/.ssh/id_dsa: No such file or directory
debug1: Trying private key: C:\Users\username/.ssh/id_ecdsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username/.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: C:\Users\username/.ssh/id_ed25519
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username/.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
[e-mail].Y: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,hostbased).

λ ssh -vvv YYY.YY.YY.Y
OpenSSH_for_Windows_7.6p1, LibreSSL 2.6.4
debug1: Reading configuration data C:\Users\username/.ssh/config
debug3: Failed to open file:C:\ProgramData\ssh/ssh_config error:2
debug2: resolving "YYY.YY.YY.Y" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to YYY.YY.YY.Y [YYY.YY.YY.Y] port 22.
debug3: finish_connect - ERROR: async io completed with error: 10060, io:0000027784A02680
debug1: connect to address YYY.YY.YY.Y port 22: Connection timed out
ssh: connect to host YYY.YY.YY.Y port 22: Connection timed out

[doda]

回答本文に確認して欲しい点を追記しました

[i113]

どうもありがとうございます。
質問本文も10000字以上は記入できないようで、申し訳ありませんが分割してコメントしようかと思います。

[username@rm1 ~]$ ssh -vvv YYY.YY.YY.Y
OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017
debug1: Reading configuration data /home/username/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 59: Applying options for *
debug2: resolving "YYY.YY.YY.Y" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to YYY.YY.YY.Y [YYY.YY.YY.Y] port 22.
debug1: Connection established.
debug1: key_load_private_type: No such file or directory
debug1: key_load_private_cert: Permission denied
debug1: key_load_private_cert: Permission denied
debug1: key_load_private_cert: Permission denied
debug1: key_load_private_cert: No such file or directory
debug1: key_load_private_type: Permission denied
debug1: key_load_private_type: Permission denied
debug1: key_load_private_type: Permission denied
debug1: key_load_private_type: No such file or directory
debug1: key_load_cert: No such file or directory
debug1: key_load_cert: No such file or directory
debug1: key_load_cert: No such file or directory
debug1: key_load_cert: No such file or directory
debug1: key_load_public: No such file or directory
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/username/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.4
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4
debug1: match: OpenSSH_7.4 pat OpenSSH* compat 0x04000000
debug2: fd 4 setting O_NONBLOCK
debug1: Authenticating to YYY.YY.YY.Y:22 as 'username'
debug3: hostkeys_foreach: reading file "/home/username/.ssh/known_hosts"
debug3: hostkeys_foreach: reading file "/etc/ssh/ssh_known_hosts"
debug3: record_hostkey: found key type RSA in file /etc/ssh/ssh_known_hosts:11
debug3: load_hostkeys: loaded 1 keys from YYY.YY.YY.Y
debug3: order_hostkeyalgs: prefer hostkeyalgs: [e-mail],rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1,ext-info-c
debug2: host key algorithms: [e-mail],rsa-sha2-512,rsa-sha2-256,ssh-rsa,[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,ssh-dss
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[e-mail],zlib
debug2: compression stoc: none,[e-mail],zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[e-mail]
debug2: compression stoc: none,[e-mail]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: rsa-sha2-512
debug1: kex: server->client cipher: [e-mail] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [e-mail] MAC: <implicit> compression: none
debug1: kex: curve25519-sha256 need=64 dh_need=64
debug1: kex: curve25519-sha256 need=64 dh_need=64
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ssh-rsa SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug3: hostkeys_foreach: reading file "/home/username/.ssh/known_hosts"
debug3: hostkeys_foreach: reading file "/etc/ssh/ssh_known_hosts"
debug3: record_hostkey: found key type RSA in file /etc/ssh/ssh_known_hosts:11
debug3: load_hostkeys: loaded 1 keys from YYY.YY.YY.Y
debug1: Host 'YYY.YY.YY.Y' is known and matches the RSA host key.
debug1: Found key in /etc/ssh/ssh_known_hosts:11
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /home/username/.ssh/id_rsa ((nil))
debug2: key: /home/username/.ssh/id_dsa ((nil))
debug2: key: /home/username/.ssh/id_ecdsa ((nil))
debug2: key: /home/username/.ssh/id_ed25519 ((nil))
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: start over, passed a different list publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: preferred gssapi-keyex,gssapi-with-mic,hostbased,publickey,keyboard-interactive,password
debug3: authmethod_lookup gssapi-keyex
debug3: remaining preferred: gssapi-with-mic,hostbased,publickey,keyboard-interactive,password
debug3: authmethod_is_enabled gssapi-keyex
debug1: Next authentication method: gssapi-keyex
debug1: No valid Key exchange context
debug2: we did not send a packet, disable method
debug3: authmethod_lookup gssapi-with-mic
debug3: remaining preferred: hostbased,publickey,keyboard-interactive,password
debug3: authmethod_is_enabled gssapi-with-mic
debug1: Next authentication method: gssapi-with-mic
debug1: Unspecified GSS failure. Minor code may provide more information
No Kerberos credentials available (default cache: KEYRING:persistent:10022)

[i113]

続き

続き

debug1: Unspecified GSS failure. Minor code may provide more information
No Kerberos credentials available (default cache: KEYRING:persistent:10022)

debug2: we did not send a packet, disable method
debug3: authmethod_lookup hostbased
debug3: remaining preferred: publickey,keyboard-interactive,password
debug3: authmethod_is_enabled hostbased
debug1: Next authentication method: hostbased
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type [e-mail]
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp256
debug1: userauth_hostbased: trying hostkey ecdsa-sha2-nistp256 SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug2: userauth_hostbased: chost rm1.
debug3: ssh_msg_send: type 2
debug3: ssh_msg_recv entering
debug1: permanently_drop_suid: 10022
debug3: ssh_keysign: [child] pid=3283, exec /usr/libexec/openssh/ssh-keysign
debug3: send packet: type 50
debug2: we sent a hostbased packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp256
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp384
debug3: userauth_hostbased: trying key type ecdsa-sha2-nistp521
debug3: userauth_hostbased: trying key type ssh-ed25519
debug1: userauth_hostbased: trying hostkey ssh-ed25519 SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug2: userauth_hostbased: chost rm1.
debug3: ssh_msg_send: type 2
debug3: ssh_msg_recv entering
debug1: permanently_drop_suid: 10022
debug3: ssh_keysign: [child] pid=3284, exec /usr/libexec/openssh/ssh-keysign
debug3: send packet: type 50
debug2: we sent a hostbased packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: userauth_hostbased: trying key type ssh-ed25519
debug3: userauth_hostbased: trying key type rsa-sha2-512
debug3: userauth_hostbased: trying key type rsa-sha2-256
debug3: userauth_hostbased: trying key type ssh-rsa
debug1: userauth_hostbased: trying hostkey ssh-rsa SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug2: userauth_hostbased: chost rm1.
debug3: ssh_msg_send: type 2
debug3: ssh_msg_recv entering
debug1: permanently_drop_suid: 10022
debug3: ssh_keysign: [child] pid=3285, exec /usr/libexec/openssh/ssh-keysign
debug3: send packet: type 50
debug2: we sent a hostbased packet, wait for reply
debug3: receive packet: type 52
debug1: Authentication succeeded (hostbased).
Authenticated to YYY.YY.YY.Y ([YYY.YY.YY.Y]:22).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting [e-mail]
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: network
debug3: receive packet: type 80
debug1: client_input_global_request: rtype [e-mail] want_reply 0
debug3: receive packet: type 4
debug1: Remote: Accepted for rm1 [YYY.YY.0.1] by /etc/ssh/shosts.equiv.
debug3: receive packet: type 4
debug1: Remote: Accepted for rm1 [YYY.YY.0.1] by /etc/ssh/shosts.equiv.
debug3: receive packet: type 4
debug1: Remote: Accepted for rm1 [YYY.YY.0.1] by /etc/ssh/shosts.equiv.
debug3: receive packet: type 91
debug2: callback start
debug2: fd 4 setting TCP_NODELAY
debug3: ssh_packet_set_tos: set IP_TOS 0x10
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug3: send packet: type 98
debug1: Sending environment.
debug3: Ignored env MANPATH
debug3: Ignored env XDG_SESSION_ID
debug3: Ignored env HOSTNAME
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env HISTSIZE
debug3: Ignored env SSH_CLIENT
debug3: Ignored env CONDA_SHLVL
debug3: Ignored env SGE_CELL
debug3: Ignored env SGE_ARCH
debug3: Ignored env QTDIR
debug3: Ignored env QTINC
debug3: Ignored env SSH_TTY
debug3: Ignored env QT_GRAPHICSSYSTEM_CHECKED
debug3: Ignored env USER
debug3: Ignored env LS_COLORS
debug3: Ignored env CONDA_EXE
debug3: Ignored env _CE_CONDA
debug3: Ignored env MAIL
debug3: Ignored env PATH
debug3: Ignored env PWD
debug3: Ignored env JAVA_HOME
debug1: Sending env LANG = ja_JP.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env MODULEPATH
debug3: Ignored env SGE_ROOT
debug3: Ignored env LOADEDMODULES
debug3: Ignored env _CE_M
debug3: Ignored env HISTCONTROL
debug3: Ignored env SHLVL
debug3: Ignored env HOME
debug3: Ignored env CONDA_PYTHON_EXE
debug3: Ignored env LOGNAME
debug3: Ignored env QTLIB
debug3: Ignored env CLASSPATH
debug3: Ignored env SSH_CONNECTION
debug3: Ignored env MODULESHOME
debug3: Ignored env LESSOPEN
debug3: Ignored env OMP_NUM_THREADS
debug3: Ignored env SGE_CLUSTER_NAME
debug3: Ignored env XDG_RUNTIME_DIR
debug3: Ignored env BASH_FUNC_module()
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug3: send packet: type 98
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0
Last login: Thu Jun 20 10:03:25 2019 from rm1

[doda]

これは rm1 から rm2 への ssh のログですよね?

追加の質問の前半部分の、「configの中の IdentityFile 設定の有無」はどうなっていますか?

[i113]

何度もすみません。

λ ssh -vvv tnone
OpenSSH_for_Windows_7.6p1, LibreSSL 2.6.4
debug1: Reading configuration data C:\Users\username.ssh/config
debug1: C:\Users\username.ssh/config line 17: Applying options for tnone
debug3: Failed to open file:C:\ProgramData\ssh/ssh_config error:2
debug1: Executing proxy command: exec ssh.exe -W YYY.YY.Y.Y:22 lnone
debug3: spawning C:\WINDOWS\System32\OpenSSH\ssh.exe -W YYY.YY.Y.Y:22 lnone
debug3: w32_getpeername ERROR: not sock :2
debug3: Failed to open file:C:\Users\username.ssh/id_rsa error:2
debug3: Failed to open file:C:\Users\username.ssh/id_rsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_rsa type -1
debug3: Failed to open file:C:\Users\username.ssh/id_rsa-cert error:2
debug3: Failed to open file:C:\Users\username.ssh/id_rsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_rsa-cert type -1
debug3: Failed to open file:C:\Users\username.ssh/id_dsa error:2
debug3: Failed to open file:C:\Users\username.ssh/id_dsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_dsa type -1
debug3: Failed to open file:C:\Users\username.ssh/id_dsa-cert error:2
debug3: Failed to open file:C:\Users\username.ssh/id_dsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_dsa-cert type -1
debug3: Failed to open file:C:\Users\username.ssh/id_ecdsa error:2
debug3: Failed to open file:C:\Users\username.ssh/id_ecdsa.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_ecdsa type -1
debug3: Failed to open file:C:\Users\username.ssh/id_ecdsa-cert error:2
debug3: Failed to open file:C:\Users\username.ssh/id_ecdsa-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_ecdsa-cert type -1
debug3: Failed to open file:C:\Users\username.ssh/id_ed25519 error:2
debug3: Failed to open file:C:\Users\username.ssh/id_ed25519.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_ed25519 type -1
debug3: Failed to open file:C:\Users\username.ssh/id_ed25519-cert error:2
debug3: Failed to open file:C:\Users\username.ssh/id_ed25519-cert.pub error:2
debug1: key_load_public: No such file or directory
debug1: identity file C:\Users\username.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_for_Windows_7.6
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4
debug1: match: OpenSSH_7.4 pat OpenSSH* compat 0x04000000

[i113]

続き

debug2: fd 5 setting O_NONBLOCK
debug2: fd 4 setting O_NONBLOCK
debug1: Authenticating to YYY.YY.Y.Y:22 as 'username'
debug3: hostkeys_foreach: reading file "C:\Users\username.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file C:\Users\username.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from YYY.YY.Y.Y
debug3: Failed to open file:C:\Users\username.ssh/known_hosts2 error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts2 error:2
debug3: order_hostkeyalgs: prefer hostkeyalgs: [e-mail],[e-mail],[e-mail],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: [e-mail],[e-mail],[e-mail],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[e-mail],[e-mail],ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none
debug2: compression stoc: none
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[e-mail],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: ciphers stoc: [e-mail],aes128-ctr,aes192-ctr,aes256-ctr,[e-mail],[e-mail],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
debug2: MACs ctos: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],[e-mail],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[e-mail]
debug2: compression stoc: none,[e-mail]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: [e-mail] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [e-mail] MAC: <implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
debug3: hostkeys_foreach: reading file "C:\Users\username.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file C:\Users\username.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from YYY.YY.Y.Y
debug3: Failed to open file:C:\Users\username.ssh/known_hosts2 error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts error:2
debug3: Failed to open file:C:\ProgramData\ssh/ssh_known_hosts2 error:2
debug1: Host 'YYY.YY.Y.Y' is known and matches the ECDSA host key.
debug1: Found key in C:\Users\username.ssh/known_hosts:2
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug3: unable to connect to pipe \\.\pipe\openssh-ssh-agent, error: 2
debug1: pubkey_prepare: ssh_get_authentication_socket: No such file or directory
debug2: key: C:\Users\username.ssh/id_rsa (0000000000000000)
debug2: key: C:\Users\username.ssh/id_dsa (0000000000000000)
debug2: key: C:\Users\username.ssh/id_ecdsa (0000000000000000)
debug2: key: C:\Users\username.ssh/id_ed25519 (0000000000000000)
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: start over, passed a different list publickey,gssapi-keyex,gssapi-with-mic,hostbased
debug3: preferred publickey,keyboard-interactive,password

debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: C:\Users\username.ssh/id_rsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username.ssh/id_rsa: No such file or directory
debug1: Trying private key: C:\Users\username.ssh/id_dsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username.ssh/id_dsa: No such file or directory
debug1: Trying private key: C:\Users\username.ssh/id_ecdsa
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: C:\Users\username.ssh/id_ed25519
debug3: GetFileAttributesExW with last error 2
debug3: no such identity: C:\Users\username.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
[e-mail].Y.Y: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,hostbased).

Answer 2

rm2 の .ssh/authorized_keys に Windows 10 の秘密鍵(C:\Users\username\key)に対応する公開鍵が登録されていますか？

rm1 から rm2 に SSH する場合は rm1 の秘密鍵が使われますが、ProxyCommand で rm1 を経由する場合は Windows 10 の秘密鍵が使われます。

Comments

[i113]

ご回答ありがとうございます。確認しましたが、rm1とrm2の.ssh/authorized_keysは同じ内容ですので登録されているのだと思います。