I’m having some troubles getting Public Key Authentication working on my server.
I’m currently running Ubuntu 18.04 LTS.
I’ve got my Public Key added to the authorized_keys file for root but it keeps asking for the password.
So I decided to move into a user on the server, and try to ssh back into the same account to confirm it was all working. Same issue.
The file permissions all look right:
dashboard@server:~$ ls -al | grep .ssh
drwx------ 2 dashboard dashboard 4096 Feb 24 12:15 .ssh
dashboard@server:~$ ls -al .ssh
total 24
drwx------ 2 dashboard dashboard 4096 Feb 24 12:49 .
drwxr-x--- 19 dashboard dashboard 4096 Feb 24 11:33 ..
-rw-rw-r-- 1 dashboard dashboard 409 Feb 24 12:49 authorized_keys
-rw------- 1 dashboard dashboard 1675 Feb 24 12:12 id_rsa
-rw-r--r-- 1 dashboard dashboard 409 Feb 24 12:12 id_rsa.pub
-rw-r--r-- 1 dashboard dashboard 208 Feb 24 12:15 known_hosts
After doing some digging around somebody here on the forums had suggested running ssh with -vvv enabled which I’ve done and have added here. Well, a single -v anyway as with the -vvv option the forums say I am spamming 🙁
dashboard@server:~/.ssh$ ssh -p 8616 dashboard@server.i4z4zi.com -v
OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to server.i4z4zi.com (95.216.229.124) port 8616.
debug1: Connection established.
debug1: identity file /home/dashboard/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/dashboard/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.6p1 Ubuntu-4ubuntu0.3
debug1: match: OpenSSH_7.6p1 Ubuntu-4ubuntu0.3 pat OpenSSH* compat 0x04000000
debug1: Authenticating to server.i4z4zi.com:8616 as 'dashboard'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:XfbQEzJnkyHizj6iWI1ckRIKQhfjahFjH5S7EGilTfo
debug1: Host '(server.i4z4zi.com):8616' is known and matches the ECDSA host key.
debug1: Found key in /home/dashboard/.ssh/known_hosts:1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256:gvwsQMfZdUBiH9ByQZJjwV12zBtc80nS1ahNW7hS6mc /home/dashboard/.ssh/id_rsa
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /home/dashboard/.ssh/id_dsa
debug1: Trying private key: /home/dashboard/.ssh/id_ecdsa
debug1: Trying private key: /home/dashboard/.ssh/id_ed25519
debug1: Next authentication method: password
I would be very grateful if somebody could point me in the right direction as to why it’s not working.
The sshd_config file is just the stock standard one that comes with Ubuntu with the exception of me changing the port number and adding UseDNS to no
Cheers,
Craig
