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Question

Ao tentar SFTP no meu servidor, obtenho

debug1: Authentications that can continue: publickey,password
Permission denied, please try again.

Embora eu esteja usando a senha correta.

SSHD_CONFIG para o servidor que estou tentando se conectar.

# Package generated configuration file
# See the sshd_config(5) manpage for details

# What ports, IPs and protocols we listen for
Port 25595
# Use these options to restrict which interfaces/protocols sshd will bind to
#ListenAddress ::
#ListenAddress 0.0.0.0
Protocol 2
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
#Privilege Separation is turned on for security
UsePrivilegeSeparation yes

# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 1024

# Logging
SyslogFacility AUTH
LogLevel INFO

# Authentication:
LoginGraceTime 120
PermitRootLogin without-password
StrictModes yes

RSAAuthentication yes
PubkeyAuthentication no
#AuthorizedKeysFile     %h/.ssh/authorized_keys

# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts yes
# For this to work you will also need host keys in /etc/ssh_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
#IgnoreUserKnownHosts yes

# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords no

# Change to yes to enable challenge-response passwords (beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication no

# Change to no to disable tunnelled clear text passwords
PasswordAuthentication yes

# Kerberos options
#KerberosAuthentication no
#KerberosGetAFSToken no
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes

# GSSAPI options
#GSSAPIAuthentication no
#GSSAPICleanupCredentials yes

X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no

#MaxStartups 10:30:60
#Banner /etc/issue.net

# Allow client to pass locale environment variables
AcceptEnv LANG LC_*

Subsystem sftp /usr/lib/openssh/sftp-server -l INFO

# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
# be allowed through the ChallengeResponseAuthentication and
# PasswordAuthentication.  Depending on your PAM configuration,
# PAM authentication via ChallengeResponseAuthentication may bypass
# the setting of "PermitRootLogin without-password".
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.
UsePAM yes

Full sftp -v -v -v -p HostImConnecting para a saída 25595

debug3: load_hostkeys: loading entries for host "HostImConnectingto" from file "/home/grayson/.ssh/known_hosts"
debug3: load_hostkeys: found key type ECDSA in file /home/grayson/.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys
debug3: load_hostkeys: loading entries for host "24.231.182.21" from file "/home/grayson/.ssh/known_hosts"
debug3: load_hostkeys: found key type ECDSA in file /home/grayson/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys
debug1: Host 'HostImConnectingto' is known and matches the ECDSA host key.
debug1: Found key in /home/grayson/.ssh/known_hosts:2
debug1: ssh_ecdsa_verify: signature correct
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: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /home/grayson/.ssh/id_rsa ((nil)),
debug2: key: /home/grayson/.ssh/id_dsa ((nil)),
debug2: key: /home/grayson/.ssh/id_ecdsa ((nil)),
debug2: key: /home/grayson/.ssh/id_ed25519 ((nil)),
debug1: Authentications that can continue: publickey,password
debug3: start over, passed a different list publickey,password
debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /home/grayson/.ssh/id_rsa
debug3: no such identity: /home/grayson/.ssh/id_rsa: No such file or directory
debug1: Trying private key: /home/grayson/.ssh/id_dsa
debug3: no such identity: /home/grayson/.ssh/id_dsa: No such file or directory
debug1: Trying private key: /home/grayson/.ssh/id_ecdsa
debug3: no such identity: /home/grayson/.ssh/id_ecdsa: No such file or directory
debug1: Trying private key: /home/grayson/.ssh/id_ed25519
debug3: no such identity: /home/grayson/.ssh/id_ed25519: No such file or directory
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password
[email protected]'s password:
debug3: packet_send2: adding 48 (len 64 padlen 16 extra_pad 64)
debug2: we sent a password packet, wait for reply
debug1: Authentications that can continue: publickey,password
Permission denied, please try again.
grayson@HostImConnectingto password:

Eu posso putty na caixa bem, mas quando eu tento ssh -p 25595 user @ WhereImTryingToConnect de outra caixa, não funciona. ambas as caixas são ubuntu 14.04

EDIT 1: alterei PasswordAuthentication de não para yes e reiniciei o serviço ssh. mas quando eu tento sftp -v -v -v -p [email protected] 25595. ainda estou recebendo o erro

debug1: Authentications that can continue: publickey,password
Permission denied, please try again.

Eu tentei dois usuários diferentes e posso verificar se ambas as senhas foram colocadas corretamente

EDIT 2: Eu tenho obtido ssh da caixa b (computador tentando se conectar) e caixa a (computador im conectando) primeiro eu criei uma chave na caixa b. então tentei copiar a chave para a caixa a, recebi um erro dizendo

bash: line 2: .ssh/authorized_keys: Permission denied

então meu primeiro pensamento foi que as permissões corretas na caixa a estão confusas. (embora ive configurá-los para 700 e 600, respectivamente) Então eu fui e setar ~ / .ssh para 777 (ISTO É RUIM NÃO FAZ) e eu também configurei ~ / .ssh / para 777 (TAMBÉM BAD). Com isso eu era capaz de copiar minha chave ssh da caixa b para a caixa a. Agora eu também sou capaz de remotamente na caixa A de B. mas eu ainda não consigo SFTP na caixa a de b ...

    

Answer 1

Mesma resposta que no askubuntu:

Você precisa definir PasswordAuthentication yes em vez de PasswordAuthentication no no seu sshd_config .