Sembra che non trovi /home/utente/.ssh/know_host... forse sarà per quello. Puoi provare ad aggiungere un altra chiave?
Il gio 20 lug 2023, 11:57 Leandro Noferini <lnofe...@cybervalley.org> ha scritto: > Ciao a tutti, > > ho un server ssh al quale mi connetto regolarmente da molti client ma non > riesco > da uno in particolare e non capisco perché. Il server accetta > esclusivamente > autenticazione via chiave. > > Se provo a collegarmi al server dal client problematico ho questo log > (anonimizzato, ovviamente) nel quale non riesco a trovare errori: > > ~ ssh -v dominio.org > OpenSSH_9.3p1, OpenSSL 3.1.1 30 May 2023 > debug1: Reading configuration data /home/utente/.ssh/config > debug1: Reading configuration data /etc/ssh/ssh_config > debug1: Connecting to dominio.org [IP.IP.IP.IP] port 22. > debug1: Connection established. > debug1: identity file /home/utente/.ssh/id_rsa type 0 > debug1: identity file /home/utente/.ssh/id_rsa-cert type -1 > debug1: identity file /home/utente/.ssh/id_ecdsa type -1 > debug1: identity file /home/utente/.ssh/id_ecdsa-cert type -1 > debug1: identity file /home/utente/.ssh/id_ecdsa_sk type -1 > debug1: identity file /home/utente/.ssh/id_ecdsa_sk-cert type -1 > debug1: identity file /home/utente/.ssh/id_ed25519 type 3 > debug1: identity file /home/utente/.ssh/id_ed25519-cert type -1 > debug1: identity file /home/utente/.ssh/id_ed25519_sk type -1 > debug1: identity file /home/utente/.ssh/id_ed25519_sk-cert type -1 > debug1: identity file /home/utente/.ssh/id_xmss type -1 > debug1: identity file /home/utente/.ssh/id_xmss-cert type -1 > debug1: identity file /home/utente/.ssh/id_dsa type -1 > debug1: identity file /home/utente/.ssh/id_dsa-cert type -1 > debug1: Local version string SSH-2.0-OpenSSH_9.3 > debug1: Remote protocol version 2.0, remote software version OpenSSH_8.4p1 > Debian-5+deb11u1 > debug1: compat_banner: match: OpenSSH_8.4p1 Debian-5+deb11u1 pat OpenSSH* > compat 0x04000000 > debug1: Authenticating to dominio.org:22 as 'utente' > debug1: load_hostkeys: fopen /home/utente/.ssh/known_hosts2: No such file > or > directory > debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or > directory > debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or > directory > debug1: SSH2_MSG_KEXINIT sent > debug1: SSH2_MSG_KEXINIT received > debug1: kex: algorithm: curve25519-sha256 > debug1: kex: host key algorithm: ssh-ed25519 > debug1: kex: server->client cipher: chacha20-poly1...@openssh.com MAC: > <implicit> compression: none > debug1: kex: client->server cipher: chacha20-poly1...@openssh.com MAC: > <implicit> compression: none > debug1: expecting SSH2_MSG_KEX_ECDH_REPLY > debug1: SSH2_MSG_KEX_ECDH_REPLY received > debug1: Server host key: ssh-ed25519 > SHA256:/6jSA7Pc5b3+/ashKdTnDbiF0VF8VE4rxaKTzl6e+Z8 > debug1: load_hostkeys: fopen /home/utente/.ssh/known_hosts2: No such file > or > directory > debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or > directory > debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or > directory > debug1: Host 'dominio.org' is known and matches the ED25519 host key. > debug1: Found key in /home/utente/.ssh/known_hosts:343 > debug1: rekey out after 134217728 blocks > debug1: SSH2_MSG_NEWKEYS sent > debug1: expecting SSH2_MSG_NEWKEYS > debug1: SSH2_MSG_NEWKEYS received > debug1: rekey in after 134217728 blocks > debug1: get_agent_identities: bound agent to hostkey > debug1: get_agent_identities: agent returned 2 keys > debug1: Will attempt key: /home/utente/.ssh/id_ed25519 ED25519 > SHA256:ID_DELLA_CHIAVE_ED25519 agent > debug1: Will attempt key: /home/utente/.ssh/id_rsa RSA > SHA256:ID_DELLA_CHIAVE_RSA agent > debug1: Will attempt key: /home/utente/.ssh/id_ecdsa > debug1: Will attempt key: /home/utente/.ssh/id_ecdsa_sk > debug1: Will attempt key: /home/utente/.ssh/id_ed25519_sk > debug1: Will attempt key: /home/utente/.ssh/id_xmss > debug1: Will attempt key: /home/utente/.ssh/id_dsa > debug1: SSH2_MSG_EXT_INFO received > debug1: kex_input_ext_info: > server-sig-algs=<ssh-ed25519,sk-ssh-ed25...@openssh.com > ,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521, > sk-ecdsa-sha2-nistp...@openssh.com, > webauthn-sk-ecdsa-sha2-nistp...@openssh.com> > debug1: SSH2_MSG_SERVICE_ACCEPT received > debug1: Authentications that can continue: publickey > debug1: Next authentication method: publickey > debug1: Offering public key: /home/utente/.ssh/id_ed25519 ED25519 > SHA256:ID_DELLA_CHIAVE_ED25519 agent > debug1: Authentications that can continue: publickey > debug1: Offering public key: /home/utente/.ssh/id_rsa RSA > SHA256:ID_DELLA_CHIAVE_RSA agent > debug1: Authentications that can continue: publickey > debug1: Trying private key: /home/utente/.ssh/id_ecdsa > debug1: Trying private key: /home/utente/.ssh/id_ecdsa_sk > debug1: Trying private key: /home/utente/.ssh/id_ed25519_sk > debug1: Trying private key: /home/utente/.ssh/id_xmss > debug1: Trying private key: /home/utente/.ssh/id_dsa > debug1: No more authentication methods to try. > ute...@dominio.org: Permission denied (publickey). > > Ovviamente le chiavi rsa e ed25519 sembrerebbero al loro posto sul server. > > -- > ciao > leandro > >
