長谷川＠ニッパク です． コメントありがとうございます．
On 2007/03/07 19:49:35 wrote: Yoshisato YANAGISAWA <[EMAIL PROTECTED]> > ちなみに、設定ファイルをコピーした後、 > localhostから素のsshでログインできますか？ いえ，できませんでした． > ログインしようとしたときに、 > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ > @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ > @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ > というのが出てくる場合は、.ssh/known_hosts中の該当する鍵を > 削除する必要があるとは思いますが。 はい，これは適宜対応して削除しています． また，TeraTermでは警告が出ますが確認ボタンでやり過ごすか， ファイルを編集して警告が出ないようにすることができます． > できればsshd -dddやssh -vvvの結果を見てみたいのですが、 > 見せていただけないでしょうか。もちろん、公開鍵やログイン名などの情報は > 『(removed)』などを書いて、消した方が良いとは思いますが。 SSHがおかしいサーバが1時間くらいかかる場所にあって，すでに帰って きてしまったのですが，sshdのログを持って帰ってきましたので見て いただけると助かります．長くなりますが，ご容赦下さい． アクション毎にコメントをはさみましたが，文言が少々変かもしれません． ===接続できないホストのsshdログここから=== hoge# /usr/sbin/sshd -ddd debug2: load_server_config: filename /etc/ssh/sshd_config debug2: load_server_config: done config len = 184 debug2: parse_server_config: config /etc/ssh/sshd_config len 184 debug3: /etc/ssh/sshd_config:62 setting PasswordAuthentication yes debug3: /etc/ssh/sshd_config:112 setting Subsystem sftp /usr/libexec/sftp-server debug1: sshd version OpenSSH_4.5p1 FreeBSD-20061110 debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. debug1: read PEM private key done: type DSA debug1: private host key: #0 type 2 DSA debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-ddd' debug2: fd 3 setting O_NONBLOCK debug1: Bind to port 22 on ::. Server listening on :: port 22. debug2: fd 4 setting O_NONBLOCK debug1: Bind to port 22 on 0.0.0.0. Server listening on 0.0.0.0 port 22. ★ ★sshdは接続の待ち受け状態 ★ ★UTF-8 TeraTerm Proから本ホストへ接続実行 ★ debug1: fd 5 clearing O_NONBLOCK debug1: Server will not fork when running in debugging mode. debug3: send_rexec_state: entering fd = 8 config len 184 debug3: ssh_msg_send: type 0 debug3: send_rexec_state: done debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug1: inetd sockets after dupping: 3, 3 debug1: res_init() Connection from xxx.xxx.xxx.xxx port 1606 debug1: Client protocol version 2.0; client software version TTSSH/2.25 Win32 debug1: no match: TTSSH/2.25 Win32 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.5p1 FreeBSD-20061110 debug2: fd 3 setting O_NONBLOCK debug2: Network child is on pid 5217 debug3: preauth child monitor started debug3: mm_request_receive entering debug3: privsep user:group 22:22 debug1: permanently_set_uid: 22/22 debug1: list_hostkey_types: ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc debug2: kex_parse_kexinit: aes128-cbc,3des-cbc debug2: kex_parse_kexinit: hmac-sha1,hmac-md5 debug2: kex_parse_kexinit: hmac-sha1,hmac-md5 debug2: kex_parse_kexinit: none,zlib debug2: kex_parse_kexinit: none,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_init: found hmac-sha1 debug1: kex: client->server aes128-cbc hmac-sha1 none debug2: mac_init: found hmac-sha1 debug1: kex: server->client aes128-cbc hmac-sha1 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received debug3: mm_request_send entering: type 0 debug3: monitor_read: checking request 0 debug3: mm_answer_moduli: got parameters: 1024 2048 8192 debug3: mm_choose_dh: waiting for MONITOR_ANS_MODULI debug3: mm_request_receive_expect entering: type 1 debug3: mm_request_receive entering debug3: mm_request_send entering: type 1 debug3: mm_choose_dh: remaining 0 debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent debug2: monitor_read: 0 used once, disabling now debug3: mm_request_receive entering debug2: dh_gen_key: priv key bits set: 176/320 debug2: bits set: 1032/2048 debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug2: bits set: 990/2048 debug3: mm_key_sign entering debug3: mm_request_send entering: type 4 debug3: monitor_read: checking request 4 debug3: mm_answer_sign debug3: mm_answer_sign: signature 0x807a200(55) debug3: mm_request_send entering: type 5 debug2: monitor_read: 4 used once, disabling now debug3: mm_request_receive entering debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN debug3: mm_request_receive_expect entering: type 5 debug3: mm_request_receive entering debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: KEX done ★ ★sshdはユーザIDの待ち受け状態 ★ ★UTF-8 TeraTerm Proで，ユーザIDを入力し，「Use challenge/ ★response to log in(keyboard-interactive)」を選択してOK ★ボタンを押す ★ debug3: Trying to reverse map address xxx.xxx.xxx.xxx. debug1: userauth-request for user hoge service ssh-connection method keyboard-interactive debug1: attempt 0 failures 0 debug3: mm_getpwnamallow entering debug3: mm_request_send entering: type 6 debug3: monitor_read: checking request 6 debug3: mm_answer_pwnamallow debug3: Trying to reverse map address xxx.xxx.xxx.xxx. debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM debug3: mm_request_receive_expect entering: type 7 debug3: mm_request_receive entering debug2: parse_server_config: config reprocess config len 184 debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1 debug3: mm_request_send entering: type 7 debug2: monitor_read: 6 used once, disabling now debug3: mm_request_receive entering debug2: input_userauth_request: setting up authctxt for hoge debug3: mm_start_pam entering debug3: mm_request_send entering: type 45 debug3: monitor_read: checking request 45 debug1: PAM: initializing for "hoge" debug1: PAM: setting PAM_RHOST to "xxx.xxx.xxx.xxx" debug2: monitor_read: 45 used once, disabling now debug3: mm_request_receive entering debug3: mm_inform_authserv entering debug3: mm_request_send entering: type 3 debug3: monitor_read: checking request 3 debug3: mm_answer_authserv: service=ssh-connection, style= debug2: monitor_read: 3 used once, disabling now debug3: mm_request_receive entering debug2: input_userauth_request: try method keyboard-interactive debug1: keyboard-interactive devs debug1: auth2_challenge: user=hoge devs= debug1: kbdint_alloc: devices 'pam' debug2: auth2_challenge_start: devices pam debug2: kbdint_next_device: devices <empty> debug1: auth2_challenge_start: trying authentication method 'pam' debug3: mm_sshpam_init_ctx debug3: mm_request_send entering: type 48 debug3: monitor_read: checking request 48 debug3: mm_answer_pam_init_ctx debug3: PAM: sshpam_init_ctx entering debug3: mm_request_send entering: type 49 debug3: mm_request_receive entering debug3: mm_sshpam_init_ctx: waiting for MONITOR_ANS_PAM_INIT_CTX debug3: mm_request_receive_expect entering: type 49 debug3: mm_request_receive entering debug3: mm_sshpam_query debug3: mm_request_send entering: type 50 debug3: monitor_read: checking request 50 debug3: mm_answer_pam_query debug3: PAM: sshpam_query entering debug3: ssh_msg_recv entering debug3: PAM: sshpam_thread_conv entering, 1 messages debug3: ssh_msg_send: type 1 debug3: mm_sshpam_query: waiting for MONITOR_ANS_PAM_QUERY debug3: mm_request_receive_expect entering: type 51 debug3: mm_request_receive entering debug3: mm_request_send entering: type 51 debug3: ssh_msg_recv entering debug3: mm_sshpam_query: pam_query returned 0 Postponed keyboard-interactive for hoge from xxx.xxx.xxx.xxx port 1606 ssh2 debug3: mm_request_receive entering ★ ★sshdはパスフレーズの待ち受け状態 ★ ★UTF-8 TeraTerm Proで，パスフレーズを入力して ★OKボタンを押す ★ debug3: mm_sshpam_respond debug3: mm_request_send entering: type 52 debug3: monitor_read: checking request 52 debug3: mm_answer_pam_respond debug2: PAM: sshpam_respond entering, 1 responses debug3: ssh_msg_send: type 6 debug3: mm_sshpam_respond: waiting for MONITOR_ANS_PAM_RESPOND debug3: mm_request_receive_expect entering: type 53 debug3: mm_request_receive entering debug3: ssh_msg_send: type 9 debug3: mm_request_send entering: type 53 debug3: mm_sshpam_respond: pam_respond returned 1 debug3: mm_sshpam_query debug3: mm_request_send entering: type 50 debug3: mm_sshpam_query: waiting for MONITOR_ANS_PAM_QUERY debug3: mm_request_receive_expect entering: type 51 debug3: mm_request_receive entering debug3: mm_request_receive entering debug3: monitor_read: checking request 50 debug3: mm_answer_pam_query debug3: PAM: sshpam_query entering debug3: ssh_msg_recv entering debug3: PAM: authentication error PAM: authentication error for hoge from xxx.xxx.xxx.xxx debug3: mm_request_send entering: type 51 debug3: mm_sshpam_query: pam_query returned -1 debug2: auth2_challenge_start: devices <empty> debug3: mm_sshpam_free_ctx debug3: mm_request_send entering: type 54 debug3: mm_sshpam_free_ctx: waiting for MONITOR_ANS_PAM_FREE_CTX debug3: mm_request_receive_expect entering: type 55 debug3: mm_request_receive entering debug3: mm_request_receive entering debug3: monitor_read: checking request 54 debug3: mm_answer_pam_free_ctx debug3: PAM: sshpam_free_ctx entering debug3: PAM: sshpam_thread_cleanup entering debug3: mm_request_send entering: type 55 debug2: monitor_read: 54 used once, disabling now Failed keyboard-interactive/pam for hoge from xxx.xxx.xxx.xxx port 1606 ssh2 debug3: mm_request_receive entering debug1: userauth-request for user hoge service ssh-connection method keyboard-interactive debug1: attempt 1 failures 1 debug2: input_userauth_request: try method keyboard-interactive debug1: keyboard-interactive devs debug1: auth2_challenge: user=hoge devs= debug1: kbdint_alloc: devices 'pam' debug2: auth2_challenge_start: devices pam debug2: kbdint_next_device: devices <empty> debug1: auth2_challenge_start: trying authentication method 'pam' debug3: mm_sshpam_init_ctx debug3: mm_request_send entering: type 48 debug3: monitor_read: checking request 48 debug3: mm_answer_pam_init_ctx debug3: PAM: sshpam_init_ctx entering debug3: mm_request_send entering: type 49 debug3: mm_request_receive entering debug3: mm_sshpam_init_ctx: waiting for MONITOR_ANS_PAM_INIT_CTX debug3: mm_request_receive_expect entering: type 49 debug3: mm_request_receive entering debug3: mm_sshpam_query debug3: mm_request_send entering: type 50 debug3: monitor_read: checking request 50 debug3: mm_answer_pam_query debug3: PAM: sshpam_query entering debug3: ssh_msg_recv entering debug3: PAM: sshpam_thread_conv entering, 1 messages debug3: ssh_msg_send: type 1 debug3: mm_sshpam_query: waiting for MONITOR_ANS_PAM_QUERY debug3: mm_request_receive_expect entering: type 51 debug3: mm_request_receive entering debug3: mm_request_send entering: type 51 debug3: ssh_msg_recv entering debug3: mm_sshpam_query: pam_query returned 0 Postponed keyboard-interactive for hoge from xxx.xxx.xxx.xxx port 1606 ssh2 debug3: mm_request_receive entering debug3: mm_sshpam_respond debug3: mm_request_send entering: type 52 debug3: monitor_read: checking request 52 debug3: mm_answer_pam_respond debug2: PAM: sshpam_respond entering, 1 responses debug3: ssh_msg_send: type 6 debug3: mm_sshpam_respond: waiting for MONITOR_ANS_PAM_RESPOND debug3: mm_request_receive_expect entering: type 53 debug3: mm_request_receive entering debug3: ssh_msg_send: type 9 debug3: mm_request_send entering: type 53 debug3: mm_sshpam_respond: pam_respond returned 1 debug3: mm_sshpam_query debug3: mm_request_send entering: type 50 debug3: mm_sshpam_query: waiting for MONITOR_ANS_PAM_QUERY debug3: mm_request_receive_expect entering: type 51 debug3: mm_request_receive entering debug3: mm_request_receive entering debug3: monitor_read: checking request 50 debug3: mm_answer_pam_query debug3: PAM: sshpam_query entering debug3: ssh_msg_recv entering debug3: PAM: authentication error PAM: authentication error for hoge from xxx.xxx.xxx.xxx debug3: mm_request_send entering: type 51 debug3: mm_sshpam_query: pam_query returned -1 debug2: auth2_challenge_start: devices <empty> debug3: mm_sshpam_free_ctx debug3: mm_request_send entering: type 54 debug3: mm_sshpam_free_ctx: waiting for MONITOR_ANS_PAM_FREE_CTX debug3: mm_request_receive_expect entering: type 55 debug3: mm_request_receive entering debug3: mm_request_receive entering debug3: monitor_read: checking request 54 debug3: mm_answer_pam_free_ctx debug3: PAM: sshpam_free_ctx entering debug3: PAM: sshpam_thread_cleanup entering debug3: mm_request_send entering: type 55 debug2: monitor_read: 54 used once, disabling now Failed keyboard-interactive/pam for hoge from xxx.xxx.xxx.xxx port 1606 ssh2 debug3: mm_request_receive entering ★ ★UTF-8 TeraTerm Proは再びユーザID入力ダイアログが表示される． ★Disconnectでログインをキャンセルする ★ Connection closed by xxx.xxx.xxx.xxx debug1: do_cleanup debug1: do_cleanup hoge# ===接続できないホストのsshdログここまで=== > 保存するときは、scriptを使うよりはteeを使って次のようにやった方が > 制御コードが入らず良いかも知れません。 > # /usr/bin/sshd -ddd |& tee sshd.log > % ssh -vvv localhost |& tee ssh.log teeコマンドですね．試してみます． SSH接続が成功する「素のFreeBSD6.2R」でもsshdのログを取りましたし， /etc/ssh/と/etc/pam.d/などを持ち帰ったのでじっくり比較してみます． 次回は16日(金)に作業ができる予定ですので，もうしばらくお付き合い いただけると助かります．よろしくお願いいたします． /* 長谷川 保 ＠ (株)ニッパク */
