ssh keys not working after server crash

[Mike Adkins]

Attached are the instructions I used about a year ago to install and it’s been working fine until about 3 weeks ago.  The server crashed (due to MS patches I believe) and when it came up the system didn’t look right..  I installed syslog-ng to see if it would help me get some logging.

Prior to the crash, users were restricted to their home directories..  Now I see dev in the folder list even though it was hidden before and fstab was not changed.
According to the instructions I used to install, /home was to be owned by cyg_server, but it shows as owned by Administrator now.  I suspect a permission problem I am having with ssh keys not working..

2017-10-11 19:30:04, 00001: Session(0AC80001): SENT : USERAUTH_REQUEST [none]
2017-10-11 19:30:04, 00001: Session(0AC80001): RECV : USERAUTH_FAILURE, continuations [publickey,password,keyboard-interactive]
2017-10-11 19:30:05, 00001: Session(0AC80001): SENT : USERAUTH_REQUEST [publickey (ssh-rsa) - unsigned,fingerprint (SHA-2 hash): 57:ed:24:74:ce:88:71:a8:15:ae:72:8a:dd:42:be:b6:76:8c:f2:65:f8:1b:41:29:92:95:63:1d:24:b4:d5:85]
2017-10-11 19:30:05, 00001: Session(0AC80001): SENT : USERAUTH_REQUEST [publickey (ssh-rsa) - unsigned,fingerprint (SHA-1 hash): 33:f2:36:9c:2f:45:7e:87:74:fb:d5:6e:ca:44:e6:99:03:53:80:c6]
2017-10-11 19:30:05, 00001: Session(0AC80001): SENT : USERAUTH_REQUEST [publickey (ssh-rsa) - unsigned,fingerprint (MD5 hash): ba:b7:6c:0b:88:87:74:c6:a0:eb:e5:bd:06:bb:53:10]
2017-10-11 19:30:05, 00001: Session(0AC80001): RECV : USERAUTH_FAILURE, continuations [publickey,password,keyboard-interactive]
2017-10-11 19:30:05, 00001: Session(0AC80001): SEND: Disconnect packet: The user canceled authentication.

Cygcheck attached.



-----Original Message-----
From: Marco Atzeri [mailto:marco.atzeri@gmail.com] 
Sent: Tuesday, October 17, 2017 11:33 AM
To: mailto:cygwin@cygwin.com; mailto:bmike.adkins@gmail.com
Subject: Re: Cygwin Help needed

On 17/10/2017 17:21, Mike Adkins wrote:
> It will not let me chown cyg_server /home

you should not do it.

> 
> From: Mike Adkins
> Sent: Tuesday, October 17, 2017 11:18 AM
> To: cygwin cygwin.com
> Subject: RE: Cygwin Help needed
> 
>   
> 
> Any help?

There was already an answer
https://cygwin.com/ml/cygwin/2017-10/msg00145.html

asking for more details mentioning the  guidelines for reporting problems at  https://cygwin.com/problems.html.
In particular, please attach output of
cygcheck -svr.

If you are not subscribed to the mail list I assume you have not received that reply.

Regards
MArco

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