URL: https://linuxfr.org/forums/linux-debian-ubuntu/posts/probleme-connection-ssh Title: Probleme connection ssh Authors: mythologikaiser Date: 2009年05月14日T21:48:26+02:00 Tags: debian Score: 1 Bonjour, Voilà j'ai un soucis avec des connections ssh sur des serveurs Lenny 5.0. Quand je demarre la machine, je peux me connecter sur celle-ci. Le problème intervient après le redémarrage des interfaces réseaux /etc/init.d/networking restart. Après avoir effectuer cette commande, j'essaye de me connecter en ssh, je rentre le bon mot de passe, ça me connecte mais déconnecte aussi tot. j'ai effectuer un debug avec ssh : ssh -vvv Voila ce ke j'obtient après l'entree du mot de passe debug3: packet_send2: adding 64 (len 60 padlen 4 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Requesting no-more-sessions@openssh.com debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug2: channel 0: request pty-req confirm 1 debug3: tty_make_modes: ospeed 38400 debug3: tty_make_modes: ispeed 38400 debug1: Sending environment. debug3: Ignored env KDE_MULTIHEAD debug3: Ignored env SSH_AGENT_PID debug3: Ignored env DM_CONTROL debug3: Ignored env TERM debug3: Ignored env DESKTOP_STARTUP_ID debug3: Ignored env SHELL debug3: Ignored env XDM_MANAGED debug3: Ignored env GTK2_RC_FILES debug3: Ignored env GTK_RC_FILES debug3: Ignored env GS_LIB debug3: Ignored env WINDOWID debug3: Ignored env KDE_FULL_SESSION debug3: Ignored env XTERM_SHELL debug3: Ignored env USER debug3: Ignored env LS_COLORS debug3: Ignored env SSH_AUTH_SOCK debug3: Ignored env SESSION_MANAGER debug3: Ignored env DESKTOP_SESSION debug3: Ignored env PATH debug3: Ignored env PWD debug1: Sending env LANG = en_CA.UTF-8 debug2: channel 0: request env confirm 0 debug3: Ignored env KDE_SESSION_UID debug3: Ignored env HISTCONTROL debug3: Ignored env XTERM_LOCALE debug3: Ignored env XTERM_VERSION debug3: Ignored env SHLVL debug3: Ignored env HOME debug3: Ignored env XCURSOR_THEME debug3: Ignored env LOGNAME debug3: Ignored env DBUS_SESSION_BUS_ADDRESS debug3: Ignored env LESSOPEN debug3: Ignored env DISPLAY debug3: Ignored env LESSCLOSE debug3: Ignored env DEBUG debug3: Ignored env _ debug2: channel 0: request shell confirm 1 debug2: fd 3 setting TCP_NODELAY debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel_input_confirm: type 99 id 0 debug2: PTY allocation request accepted on channel 0 debug2: channel 0: rcvd adjust 2097152 debug2: channel_input_confirm: type 99 id 0 debug2: shell request accepted on channel 0 debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 debug1: client_input_channel_req: channel 0 rtype eow@openssh.com reply 0 debug2: channel 0: rcvd eow debug2: channel 0: close_read debug2: channel 0: input open -> closed Linux ctpmini 2.6.18-6-686 #1 SMP Mon Aug 18 08:42:39 UTC 2008 i586 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Thu May 14 17:41:48 2009 from 192.168.3.33 debug2: channel 0: rcvd eof debug2: channel 0: output open -> drain debug2: channel 0: obuf empty debug2: channel 0: close_write debug2: channel 0: output drain -> closed debug2: channel 0: rcvd close debug3: channel 0: will not send data after close debug2: channel 0: almost dead debug2: channel 0: gc: notify user debug2: channel 0: gc: user detached debug2: channel 0: send close debug2: channel 0: is dead debug2: channel 0: garbage collecting debug1: channel 0: free: client-session, nchannels 1 debug3: channel 0: status: The following connections are open: £spaces£ £/spaces£#0 client-session (t4 r0 i3/0 o3/0 fd -1/-1 cfd -1) debug3: channel 0: close_fds r -1 w -1 e 6 c -1 Connection to 192.168.3.100 closed. Transferred: sent 2208, received 2472 bytes, in 0.0 seconds Bytes per second: sent 145848.6, received 163287.0 debug1: Exit status 255 Pour résoudre ce problème : - j'ai essayer de redémarrer le démon ssh (rien ne change) - j'ai mis le serveur ssh en débug (et la la connection se fait) et apres ca si je redemarre le démon la connection ssh refonctionne jusqu'au redémarrage des interface via /etc/init.d/networking Si vous pouviez m'aider, car là je ne comprend pas. Voici le fichier de configuration du serveur ssh : Port 22 UseDNS no AllowUsers root support client RSAAuthentication no PubkeyAuthentication yes AuthorizedKeysFile %h/.ssh/citypassenger_keys ChallengeResponseAuthentication no Protocol 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key UsePrivilegeSeparation yes LoginGraceTime 60 PermitRootLogin yes StrictModes yes IgnoreRhosts yes RhostsRSAAuthentication no HostbasedAuthentication no PermitEmptyPasswords no SyslogFacility AUTH LogLevel INFO PrintMotd no PrintLastLog yes TCPKeepAlive yes

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