Credo che la parte di log in cui avviene l'errore sia questa...

codice HTML:
-> NET_SSH2_MSG_SERVICE_REQUEST (since last: 0.0064, network: 0s)00000000  00:00:00:0c:73:73:68:2d:75:73:65:72:61:75:74:68  ....ssh-userauth

<- NET_SSH2_MSG_SERVICE_ACCEPT (since last: 0.0002, network: 0.0001s)
00000000  00:00:00:0c:73:73:68:2d:75:73:65:72:61:75:74:68  ....ssh-userauth

-> NET_SSH2_MSG_USERAUTH_REQUEST (since last: 0.0002, network: 0s)
00000000  32:00:00:00:08:75:73:65:72:6e:61:6d:65:00:00:00  2....username...
00000010  0e:73:73:68:2d:63:6f:6e:6e:65:63:74:69:6f:6e:00  .ssh-connection.
00000020  00:00:08:70:61:73:73:77:6f:72:64:00:00:00:00:08  ...password.....
00000030  70:61:73:73:77:6f:72:64                          password

<- NET_SSH2_MSG_USERAUTH_FAILURE (since last: 0.0012, network: 0.0011s)
00000000  00:00:00:3b:70:75:62:6c:69:63:6b:65:79:2c:67:73  ...;publickey,gs
00000010  73:61:70:69:2d:6b:65:79:65:78:2c:67:73:73:61:70  sapi-keyex,gssap
00000020  69:2d:77:69:74:68:2d:6d:69:63:2c:6b:65:79:62:6f  i-with-mic,keybo
00000030  61:72:64:2d:69:6e:74:65:72:61:63:74:69:76:65:00  ard-interactive.

-> NET_SSH2_MSG_USERAUTH_REQUEST (since last: 0.0002, network: 0s)
00000000  00:00:00:09:77:65:62:6d:61:73:74:65:72:00:00:00  ....webmaster...
00000010  0e:73:73:68:2d:63:6f:6e:6e:65:63:74:69:6f:6e:00  .ssh-connection.
00000020  00:00:14:6b:65:79:62:6f:61:72:64:2d:69:6e:74:65  ...keyboard-inte
00000030  72:61:63:74:69:76:65:00:00:00:00:00:00:00:00     ractive........

<- NET_SSH2_MSG_USERAUTH_INFO_REQUEST (60) (since last: 0.0089, network: 0.0088s)
00000000  00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:01  ................
00000010  00:00:00:09:50:61:73:73:77:6f:72:64:3a:00        ....Password:.

-> NET_SSH2_MSG_USERAUTH_INFO_RESPONSE (61) (since last: 0.0002, network: 0s)
00000000  3d:00:00:00:01:00:00:00:0c:64:75:6d:6d:79:2d:61  =........dummy-a
00000010  6e:73:77:65:72                                   nswer

<- NET_SSH2_MSG_USERAUTH_FAILURE (since last: 0.0015, network: 0.0013s)
00000000  00:00:00:3b:70:75:62:6c:69:63:6b:65:79:2c:67:73  ...;publickey,gs
00000010  73:61:70:69:2d:6b:65:79:65:78:2c:67:73:73:61:70  sapi-keyex,gssap
00000020  69:2d:77:69:74:68:2d:6d:69:63:2c:6b:65:79:62:6f  i-with-mic,keybo
00000030  61:72:64:2d:69:6e:74:65:72:61:63:74:69:76:65:00  ard-interactive.