17.10.2021 13:48, Stuart Henderson пишет:
On 2021-10-17, kasak <ka...@kasakoff.net> wrote:
Hello everybody! I somehow broke authorization with password in 7.0
All this started after update to 7.0.
I have installed default /etc/ssh/sshd_config with sysmerge.
After this, i just wanted to disable password auth, to use
keyboard-interactive
The only thing i changed in conf is this line:
PasswordAuthentication no
After restart i cannot connect to this host for some reason. It just
don't ask for any password and quit
Here is log:
$ ssh -v host
That's the client-side, but what is logged on the server?
I'm afraid I cannot find out :) Server is not near.
When I just send my first mail, I remembered, that I maybe also set
MaxAuthTries to 3.
Maybe this done the trick? If so, is there any way to force client to
use keyboard-interactive first, and not to try absent pubkeys?
OpenSSH_8.8, LibreSSL 3.4.1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to host [xxx.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: identity file /home/kasak/.ssh/id_rsa type -1
debug1: identity file /home/kasak/.ssh/id_rsa-cert type -1
debug1: identity file /home/kasak/.ssh/id_dsa type -1
debug1: identity file /home/kasak/.ssh/id_dsa-cert type -1
debug1: identity file /home/kasak/.ssh/id_ecdsa type -1
debug1: identity file /home/kasak/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/kasak/.ssh/id_ecdsa_sk type -1
debug1: identity file /home/kasak/.ssh/id_ecdsa_sk-cert type -1
debug1: identity file /home/kasak/.ssh/id_ed25519 type -1
debug1: identity file /home/kasak/.ssh/id_ed25519-cert type -1
debug1: identity file /home/kasak/.ssh/id_ed25519_sk type -1
debug1: identity file /home/kasak/.ssh/id_ed25519_sk-cert type -1
debug1: identity file /home/kasak/.ssh/id_xmss type -1
debug1: identity file /home/kasak/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.8
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.8
debug1: compat_banner: match: OpenSSH_8.8 pat OpenSSH* compat 0x04000000
debug1: Authenticating to host:22 as 'kasak'
debug1: load_hostkeys: fopen /home/kasak/.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:CcikFZvpvKUQM1NqPBCkEVGwhkQVszJMb8NVxG1pX9Q
debug1: load_hostkeys: fopen /home/kasak/.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 'host' is known and matches the ED25519 host key.
debug1: Found key in /home/kasak/.ssh/known_hosts:30
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: Will attempt key: /home/kasak/.ssh/id_rsa
debug1: Will attempt key: /home/kasak/.ssh/id_dsa
debug1: Will attempt key: /home/kasak/.ssh/id_ecdsa
debug1: Will attempt key: /home/kasak/.ssh/id_ecdsa_sk
debug1: Will attempt key: /home/kasak/.ssh/id_ed25519
debug1: Will attempt key: /home/kasak/.ssh/id_ed25519_sk
debug1: Will attempt key: /home/kasak/.ssh/id_xmss
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,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/kasak/.ssh/id_rsa
debug1: Trying private key: /home/kasak/.ssh/id_dsa
debug1: Trying private key: /home/kasak/.ssh/id_ecdsa
debug1: Trying private key: /home/kasak/.ssh/id_ecdsa_sk
debug1: Trying private key: /home/kasak/.ssh/id_ed25519
debug1: Trying private key: /home/kasak/.ssh/id_ed25519_sk
debug1: Trying private key: /home/kasak/.ssh/id_xmss
debug1: Next authentication method: keyboard-interactive
debug1: Authentications that can continue: publickey,keyboard-interactive
debug1: No more authentication methods to try.
kasak@host: Permission denied (publickey,keyboard-interactive).
