Ciao a tutti, ho uno script di backup che mi copia i file .tar su un altro computer via scp: per automatizzare l'invio ho creato una chiave ssh senza password e autorizzato l'autenticazione a chiave sul server di ricevimento. C'è stato un problema hardware sul server di ricevimento che mi ha costretto ad una reinstallazione generale e ora la cosa non funziona più dandomi questo errore: backup@tank2:~$ scp -v filediesempio tank-backup@serverdiricevimento: Executing: program /usr/bin/ssh host serverdiricevimento, user tank-backup, command scp -v -t . OpenSSH_4.3p2 Debian-9etch3, OpenSSL 0.9.8c 05 Sep 2006 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to serverdiricevimento [serverdiricevimento] port 22. debug1: Connection established. debug1: identity file /var/backups/.ssh/identity type -1 debug1: identity file /var/backups/.ssh/id_rsa type 1 debug1: identity file /var/backups/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3p2 Debian-9etch3 debug1: match: OpenSSH_4.3p2 Debian-9etch3 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.3p2 Debian-9etch3 debug1: Miscellaneous failure No credentials cache found debug1: Miscellaneous failure No credentials cache found debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-md5 none debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'serverdiricevimento' is known and matches the RSA host key. debug1: Found key in /var/backups/.ssh/known_hosts:1 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Trying private key: /var/backups/.ssh/identity debug1: Offering public key: /var/backups/.ssh/id_rsa debug1: Server accepts key: pkalg ssh-rsa blen 277 debug1: read PEM private key done: type RSA debug1: Authentication succeeded (publickey). debug1: channel 0: new [client-session] debug1: Entering interactive session. debug1: Sending environment. debug1: Sending env LANG = it_IT.UTF-8 debug1: Sending command: scp -v -t . debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 Unknown cipher type 'scp -v -t .' debug1: channel 0: free: client-session, nchannels 1 debug1: fd 0 clearing O_NONBLOCK debug1: fd 1 clearing O_NONBLOCK debug1: Transferred: stdin 0, stdout 0, stderr 0 bytes in 0.1 seconds debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 0.0 debug1: Exit status 255 lost connection Credo di capire che il problema stia in quella riga che dice: Unknown cipher type 'scp -v -t .' Che posso fare? -- Ciao leandro Un esteso e "normale" uso della crittografia è il sistema più forte per rivendicare il diritto alla privacy nelle comunicazioni telematiche: come tutti i diritti e come i muscoli se non viene esercitato costantemente si atrofizza e va perso.
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