D
Deleted member 33567
Guest
Hi,
This is the weirdest experience we had with SSH server.
We run a 3 nodes cluster with CEPH.
Recently we have noticed that we are unable to use Web VNC for 2 of the nodes, upon some reading online I have restarted the pve-manager and it seems to help with the Web VNC console.
Now the weird part is that we do not run a firewall at nodes or datacenter level.
And we receive this back for every connection attempt.
Here is my local -vvv ssh debug:
Here is the reply from the server:
Here is the SSH config, that was not touched or altered in past months, and the SSH auth was working just fine before.
Would be really happy if anyone had seen this issues before and found a solution to share with.
Note: The IP and some details were SANITIZED by xxx remarks.
Best,
Cosmin
This is the weirdest experience we had with SSH server.
We run a 3 nodes cluster with CEPH.
Recently we have noticed that we are unable to use Web VNC for 2 of the nodes, upon some reading online I have restarted the pve-manager and it seems to help with the Web VNC console.
Now the weird part is that we do not run a firewall at nodes or datacenter level.
And we receive this back for every connection attempt.
Here is my local -vvv ssh debug:
Code:
Revenger:~ xxxxxxxxx$ ssh nu1 -vvv
OpenSSH_7.7p1, LibreSSL 2.7.3
debug1: Reading configuration data /Users/xxxxxxxxx/.ssh/config
debug1: /Users/xxxxxxxxx/.ssh/config line 1: Applying options for *
debug1: /Users/xxxxxxxxx/.ssh/config line 131: Applying options for nu1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 48: Applying options for *
debug1: /etc/ssh/ssh_config line 52: Applying options for *
debug2: resolve_canonicalize: hostname xxx.xxx.xxx.xxx is address
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to xxx.xxx.xxx.xxx [xxx.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa-cert type -1
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519 type 3
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.7
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4p1 Debian-10+deb9u4
debug1: match: OpenSSH_7.4p1 Debian-10+deb9u4 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to xxx.xxx.xxx.xxx:22 as 'root'
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com,zlib
debug2: compression stoc: none,zlib@openssh.com,zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
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
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:tgY+lqxka/pH5oTZijsoHi695F+B3b9QCBwG2lOkT3E
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug1: Host 'xxx.xxx.xxx.xxx' is known and matches the ECDSA host key.
debug1: Found key in /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /Users/xxxxxxxxx/.ssh/id_rsa (0x7fded4505710), explicit
debug2: key: /Users/xxxxxxxxx/.ssh/id_ed25519 (0x7fded4505780), explicit
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred 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: Offering public key: RSA SHA256:AbaZnfke6D4XMpr4W7xelETcI+vmxTl2eGB7x2Fdobc /Users/xxxxxxxxx/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering public key: ED25519 SHA256:kothDQAB2DSwlm20VcJfy6Fdx12uiRWakIobjM1E+OQ /Users/xxxxxxxxx/.ssh/id_ed25519
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
root@xxx.xxx.xxx.xxx: Permission denied (publickey).
Revenger:~ xxxxxxxxx$ ssh nu1 -vvv
OpenSSH_7.7p1, LibreSSL 2.7.3
debug1: Reading configuration data /Users/xxxxxxxxx/.ssh/config
debug1: /Users/xxxxxxxxx/.ssh/config line 1: Applying options for *
debug1: /Users/xxxxxxxxx/.ssh/config line 131: Applying options for nu1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 48: Applying options for *
debug1: /etc/ssh/ssh_config line 52: Applying options for *
debug2: resolve_canonicalize: hostname xxx.xxx.xxx.xxx is address
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to xxx.xxx.xxx.xxx [xxx.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa-cert type -1
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519 type 3
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.7
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4p1 Debian-10+deb9u4
debug1: match: OpenSSH_7.4p1 Debian-10+deb9u4 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to xxx.xxx.xxx.xxx:22 as 'root'
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com,zlib
debug2: compression stoc: none,zlib@openssh.com,zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
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
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:tgY+lqxka/pH5oTZijsoHi695F+B3b9QCBwG2lOkT3E
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug1: Host 'xxx.xxx.xxx.xxx' is known and matches the ECDSA host key.
debug1: Found key in /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /Users/xxxxxxxxx/.ssh/id_rsa (0x7fb4cfe00610), explicit
debug2: key: /Users/xxxxxxxxx/.ssh/id_ed25519 (0x7fb4cfc007b0), explicit
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred 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: Offering public key: RSA SHA256:AbaZnfke6D4XMpr4W7xelETcI+vmxTl2eGB7x2Fdobc /Users/xxxxxxxxx/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering public key: ED25519 SHA256:kothDQAB2DSwlm20VcJfy6Fdx12uiRWakIobjM1E+OQ /Users/xxxxxxxxx/.ssh/id_ed25519
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
root@xxx.xxx.xxx.xxx: Permission denied (publickey).
Revenger:~ xxxxxxxxx$ ssh nu1 -vvv
OpenSSH_7.7p1, LibreSSL 2.7.3
debug1: Reading configuration data /Users/xxxxxxxxx/.ssh/config
debug1: /Users/xxxxxxxxx/.ssh/config line 1: Applying options for *
debug1: /Users/xxxxxxxxx/.ssh/config line 131: Applying options for nu1
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 48: Applying options for *
debug1: /etc/ssh/ssh_config line 52: Applying options for *
debug2: resolve_canonicalize: hostname xxx.xxx.xxx.xxx is address
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to xxx.xxx.xxx.xxx [xxx.xxx.xxx.xxx] port 22.
debug1: Connection established.
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_rsa-cert type -1
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519 type 3
debug1: key_load_public: No such file or directory
debug1: identity file /Users/xxxxxxxxx/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.7
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4p1 Debian-10+deb9u4
debug1: match: OpenSSH_7.4p1 Debian-10+deb9u4 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to xxx.xxx.xxx.xxx:22 as 'root'
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com,zlib
debug2: compression stoc: none,zlib@openssh.com,zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,zlib@openssh.com
debug2: compression stoc: none,zlib@openssh.com
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
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
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:tgY+lqxka/pH5oTZijsoHi695F+B3b9QCBwG2lOkT3E
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: load_hostkeys: loaded 1 keys from xxx.xxx.xxx.xxx
debug3: hostkeys_foreach: reading file "/Users/xxxxxxxxx/.ssh/known_hosts2"
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:5
debug3: record_hostkey: found key type ECDSA in file /Users/xxxxxxxxx/.ssh/known_hosts2:20
debug3: load_hostkeys: loaded 2 keys from xxx.xxx.xxx.xxx
debug1: Host 'xxx.xxx.xxx.xxx' is known and matches the ECDSA host key.
debug1: Found key in /Users/xxxxxxxxx/.ssh/known_hosts:5
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /Users/xxxxxxxxx/.ssh/id_rsa (0x7fcfad904fc0), explicit
debug2: key: /Users/xxxxxxxxx/.ssh/id_ed25519 (0x7fcfad905030), explicit
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred 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: Offering public key: RSA SHA256:AbaZnfke6D4XMpr4W7xelETcI+vmxTl2eGB7x2Fdobc /Users/xxxxxxxxx/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug1: Offering public key: ED25519 SHA256:kothDQAB2DSwlm20VcJfy6Fdx12uiRWakIobjM1E+OQ /Users/xxxxxxxxx/.ssh/id_ed25519
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
root@xxx.xxx.xxx.xxx: Permission denied (publickey).
Revenger:~ xxxxxxxxx$
Here is the reply from the server:
Code:
Sep 3 00:01:58 node01-sxb-xxx sshd[1146516]: Connection closed by xxxx port 35567 [preauth]
Sep 3 00:01:59 node01-sxb-xxx sshd[1146524]: Connection closed by xxxx port 38491 [preauth]
Sep 3 00:02:01 node01-sxb-xxx sshd[1146526]: Connection closed by xxxx port 38784 [preauth]
Here is the SSH config, that was not touched or altered in past months, and the SSH auth was working just fine before.
Code:
grep -vE "^#|^$" /etc/ssh/sshd_config
PermitRootLogin yes
PubkeyAuthentication yes
AuthorizedKeysFile .ssh/authorized_keys .ssh/authorized_keys2
PasswordAuthentication no
ChallengeResponseAuthentication no
UsePAM yes
X11Forwarding yes
PrintMotd no
AcceptEnv LANG LC_*
Subsystem sftp /usr/lib/openssh/sftp-serve
Would be really happy if anyone had seen this issues before and found a solution to share with.
Note: The IP and some details were SANITIZED by xxx remarks.
Best,
Cosmin