"/etc/init.d/ssh stop" does not stop ssh server processes on 14.04

Bug #1390012 reported by Jonathan Carter on 2014-11-06
16
This bug affects 2 people
Affects Status Importance Assigned to Milestone
openssh (Ubuntu)
Undecided
Unassigned

Bug Description

Running "/etc/init.d/ssh stop" does not result in ssh server being stopped. Running "service ssh stop" works fine.

As a result, running "/etc/init.d/ssh restart" does not restart sshd so new settings from sshd_config won't be loaded.

Using "service ssh restart" works fine, but ideally using the init script should still work as long as it's still there.

summary: - /etc/init.d/ssh stop does not stop ssh server processes
+ "/etc/init.d/ssh stop" does not stop ssh server processes

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in ubuntu:
status: New → Confirmed

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tags: added: bot-comment
affects: ubuntu → openssh (Ubuntu)
Brian Murray (brian-murray) wrote :

What release did you notice this on? It worked fine for me on Vivid.

[ 8:26AM ] [ bdmurray@impulse:~ ]
 $ sudo /etc/init.d/ssh stop
ssh stop/waiting
[ 8:27AM ] [ bdmurray@impulse:~ ]
 $ ssh localhost
ssh: connect to host localhost port 22: Connection refused

Changed in openssh (Ubuntu):
status: Confirmed → Incomplete

14.04 server installs.

On 6 November 2014 18:27, Brian Murray <email address hidden> wrote:

> What release did you notice this on? It worked fine for me on Vivid.
>
> [ 8:26AM ] [ bdmurray@impulse:~ ]
> $ sudo /etc/init.d/ssh stop
> ssh stop/waiting
> [ 8:27AM ] [ bdmurray@impulse:~ ]
> $ ssh localhost
> ssh: connect to host localhost port 22: Connection refused
>
>
> ** Changed in: openssh (Ubuntu)
> Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are a member of AIMS,
> which is subscribed to the bug report.
> https://bugs.launchpad.net/bugs/1390012
>
> Title:
> "/etc/init.d/ssh stop" does not stop ssh server processes
>
> Status in “openssh” package in Ubuntu:
> Incomplete
>
> Bug description:
> Running "/etc/init.d/ssh stop" does not result in ssh server being
> stopped. Running "service ssh stop" works fine.
>
> As a result, running "/etc/init.d/ssh restart" does not restart sshd
> so new settings from sshd_config won't be loaded.
>
> Using "service ssh restart" works fine, but ideally using the init
> script should still work as long as it's still there.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1390012/+subscriptions
>
> --
> Mailing list: https://launchpad.net/~aims
> Post to : <email address hidden>
> Unsubscribe : https://launchpad.net/~aims
> More help : https://help.launchpad.net/ListHelp
>

--
  .~.
  /V\ Jan Groenewald
 /( )\ www.aims.ac.za
 ^^-^^

Jan Groenewald (jan-aims) wrote :

Server and desktop 14.04:

0 root@kontiki:~#ps auxw|grep sshd:
root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
[priv]
jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
jan@pts/9
root 32177 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
--color=auto sshd:
0 root@kontiki:~#/etc/init.d/ssh restart
1 root@kontiki:~#ps auxw|grep sshd:
root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
[priv]
jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
jan@pts/9
root 32186 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
--color=auto sshd:
0 root@kontiki:~#date
Thu Nov 6 18:37:17 SAST 2014
0 root@kontiki:~#/etc/init.d/ssh stop
0 root@kontiki:~#ps axuw|grep sshd
root 1513 0.0 0.0 61364 2796 ? Ss Nov02 0:00
/usr/sbin/sshd -D
root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
[priv]
jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
jan@pts/9
root 32198 0.0 0.0 8868 652 pts/9 R+ 18:37 0:00 grep
--color=auto sshd
0 root@kontiki:~#lsb_release -d
Description: Ubuntu 14.04.1 LTS
0 root@kontiki:~#

On 6 November 2014 18:36, Jan Groenewald <email address hidden> wrote:

> 14.04 server installs.
>
>
> On 6 November 2014 18:27, Brian Murray <email address hidden> wrote:
>
>> What release did you notice this on? It worked fine for me on Vivid.
>>
>> [ 8:26AM ] [ bdmurray@impulse:~ ]
>> $ sudo /etc/init.d/ssh stop
>> ssh stop/waiting
>> [ 8:27AM ] [ bdmurray@impulse:~ ]
>> $ ssh localhost
>> ssh: connect to host localhost port 22: Connection refused
>>
>>
>> ** Changed in: openssh (Ubuntu)
>> Status: Confirmed => Incomplete
>>
>> --
>> You received this bug notification because you are a member of AIMS,
>> which is subscribed to the bug report.
>> https://bugs.launchpad.net/bugs/1390012
>>
>> Title:
>> "/etc/init.d/ssh stop" does not stop ssh server processes
>>
>> Status in “openssh” package in Ubuntu:
>> Incomplete
>>
>> Bug description:
>> Running "/etc/init.d/ssh stop" does not result in ssh server being
>> stopped. Running "service ssh stop" works fine.
>>
>> As a result, running "/etc/init.d/ssh restart" does not restart sshd
>> so new settings from sshd_config won't be loaded.
>>
>> Using "service ssh restart" works fine, but ideally using the init
>> script should still work as long as it's still there.
>>
>> To manage notifications about this bug go to:
>>
>> https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1390012/+subscriptions
>>
>> --
>> Mailing list: https://launchpad.net/~aims
>> Post to : <email address hidden>
>> Unsubscribe : https://launchpad.net/~aims
>> More help : https://help.launchpad.net/ListHelp
>>
>
>
>
> --
> .~.
> /V\ Jan Groenewald
> /( )\ www.aims.ac.za
> ^^-^^
>

--
  .~.
  /V\ Jan Groenewald
 /( )\ www.aims.ac.za
 ^^-^^

Confirmed on third installation now, two servers and a desktop.

Changed in openssh (Ubuntu):
status: Incomplete → Confirmed
summary: - "/etc/init.d/ssh stop" does not stop ssh server processes
+ "/etc/init.d/ssh stop" does not stop ssh server processes on 14.04
Download full text (4.1 KiB)

Bad example in previous post; here it is better:

0 root@kontiki:~#ps axuw|grep sbin/sshd
root 32302 0.0 0.0 61364 3052 ? Ss *18:51* 0:00
/usr/sbin/sshd -D
root 32310 0.0 0.0 8864 648 pts/9 S+ 18:53 0:00 grep
--color=auto sbin/sshd
0 root@kontiki:~#date
Thu Nov 6 *18:53*:34 SAST 2014
0 root@kontiki:~#/etc/init.d/ssh restart # doesn't work
1 root@kontiki:~#ps axuw|grep sbin/sshd
root 32302 0.0 0.0 61364 3052 ? Ss *18:51 * 0:00
/usr/sbin/sshd -D
root 32320 0.0 0.0 8864 652 pts/9 S+ 18:53 0:00 grep
--color=auto sbin/sshd
0 root@kontiki:~#date
Thu Nov 6 *18:53*:44 SAST 2014
0 root@kontiki:~#restart ssh # works
ssh start/running, process 32325
0 root@kontiki:~#date
Thu Nov 6 *18:53*:52 SAST 2014
0 root@kontiki:~#ps axuw|grep sbin/sshd
root 32325 0.0 0.0 61364 3048 ? Ss *18:53* 0:00
/usr/sbin/sshd -D
root 32329 0.0 0.0 8864 652 pts/9 S+ 18:53 0:00 grep
--color=auto sbin/sshd
0 root@kontiki:~#

On 6 November 2014 18:38, Jan Groenewald <email address hidden> wrote:

> Server and desktop 14.04:
>
> 0 root@kontiki:~#ps auxw|grep sshd:
> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
> [priv]
> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
> jan@pts/9
> root 32177 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
> --color=auto sshd:
> 0 root@kontiki:~#/etc/init.d/ssh restart
> 1 root@kontiki:~#ps auxw|grep sshd:
> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
> [priv]
> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
> jan@pts/9
> root 32186 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
> --color=auto sshd:
> 0 root@kontiki:~#date
> Thu Nov 6 18:37:17 SAST 2014
> 0 root@kontiki:~#/etc/init.d/ssh stop
> 0 root@kontiki:~#ps axuw|grep sshd
> root 1513 0.0 0.0 61364 2796 ? Ss Nov02 0:00
> /usr/sbin/sshd -D
> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd: jan
> [priv]
> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
> jan@pts/9
> root 32198 0.0 0.0 8868 652 pts/9 R+ 18:37 0:00 grep
> --color=auto sshd
> 0 root@kontiki:~#lsb_release -d
> Description: Ubuntu 14.04.1 LTS
> 0 root@kontiki:~#
>
>
>
> On 6 November 2014 18:36, Jan Groenewald <email address hidden> wrote:
>
>> 14.04 server installs.
>>
>>
>> On 6 November 2014 18:27, Brian Murray <email address hidden> wrote:
>>
>>> What release did you notice this on? It worked fine for me on Vivid.
>>>
>>> [ 8:26AM ] [ bdmurray@impulse:~ ]
>>> $ sudo /etc/init.d/ssh stop
>>> ssh stop/waiting
>>> [ 8:27AM ] [ bdmurray@impulse:~ ]
>>> $ ssh localhost
>>> ssh: connect to host localhost port 22: Connection refused
>>>
>>>
>>> ** Changed in: openssh (Ubuntu)
>>> Status: Confirmed => Incomplete
>>>
>>> --
>>> You received this bug notification because you are a member of AIMS,
>>> which is subscribed to the bug report.
>>> https://bugs.launchpad.net/bugs/1390012
>>>
>>> Title:
>>> "/etc/init.d/ssh stop" does not stop ssh server processes
>>>
>>> Status in “openssh” package in Ubuntu:
>>> Incomple...

Read more...

Jan Groenewald (jan-aims) wrote :
Download full text (4.9 KiB)

Even better:

0 root@snapperkob:~#cat /var/run/sshd.pid
1820
0 root@snapperkob:~#/etc/init.d/ssh restart
1 root@snapperkob:~#cat /var/run/sshd.pid
1820
0 root@snapperkob:~#/etc/init.d/ssh stop
0 root@snapperkob:~#cat /var/run/sshd.pid
1820
0 root@snapperkob:~#stop ssh
ssh stop/waiting
0 root@snapperkob:~#cat /var/run/sshd.pid
cat: /var/run/sshd.pid: No such file or directory
1 root@snapperkob:~#start ssh
ssh start/running, process 6842
0 root@snapperkob:~#cat /var/run/sshd.pid
6842
0 root@snapperkob:~#

On 6 November 2014 18:55, Jan Groenewald <email address hidden> wrote:

> Bad example in previous post; here it is better:
>
> 0 root@kontiki:~#ps axuw|grep sbin/sshd
> root 32302 0.0 0.0 61364 3052 ? Ss *18:51* 0:00
> /usr/sbin/sshd -D
> root 32310 0.0 0.0 8864 648 pts/9 S+ 18:53 0:00 grep
> --color=auto sbin/sshd
> 0 root@kontiki:~#date
> Thu Nov 6 *18:53*:34 SAST 2014
> 0 root@kontiki:~#/etc/init.d/ssh restart # doesn't work
> 1 root@kontiki:~#ps axuw|grep sbin/sshd
> root 32302 0.0 0.0 61364 3052 ? Ss *18:51 * 0:00
> /usr/sbin/sshd -D
> root 32320 0.0 0.0 8864 652 pts/9 S+ 18:53 0:00 grep
> --color=auto sbin/sshd
> 0 root@kontiki:~#date
> Thu Nov 6 *18:53*:44 SAST 2014
> 0 root@kontiki:~#restart ssh # works
> ssh start/running, process 32325
> 0 root@kontiki:~#date
> Thu Nov 6 *18:53*:52 SAST 2014
> 0 root@kontiki:~#ps axuw|grep sbin/sshd
> root 32325 0.0 0.0 61364 3048 ? Ss *18:53* 0:00
> /usr/sbin/sshd -D
> root 32329 0.0 0.0 8864 652 pts/9 S+ 18:53 0:00 grep
> --color=auto sbin/sshd
> 0 root@kontiki:~#
>
>
> On 6 November 2014 18:38, Jan Groenewald <email address hidden> wrote:
>
>> Server and desktop 14.04:
>>
>> 0 root@kontiki:~#ps auxw|grep sshd:
>> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd:
>> jan [priv]
>> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
>> jan@pts/9
>> root 32177 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
>> --color=auto sshd:
>> 0 root@kontiki:~#/etc/init.d/ssh restart
>> 1 root@kontiki:~#ps auxw|grep sshd:
>> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd:
>> jan [priv]
>> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
>> jan@pts/9
>> root 32186 0.0 0.0 8864 652 pts/9 S+ 18:37 0:00 grep
>> --color=auto sshd:
>> 0 root@kontiki:~#date
>> Thu Nov 6 18:37:17 SAST 2014
>> 0 root@kontiki:~#/etc/init.d/ssh stop
>> 0 root@kontiki:~#ps axuw|grep sshd
>> root 1513 0.0 0.0 61364 2796 ? Ss Nov02 0:00
>> /usr/sbin/sshd -D
>> root 7361 0.0 0.1 111844 4072 ? Ss Nov03 0:00 sshd:
>> jan [priv]
>> jan 7537 0.0 0.0 111844 2076 ? S Nov03 0:00 sshd:
>> jan@pts/9
>> root 32198 0.0 0.0 8868 652 pts/9 R+ 18:37 0:00 grep
>> --color=auto sshd
>> 0 root@kontiki:~#lsb_release -d
>> Description: Ubuntu 14.04.1 LTS
>> 0 root@kontiki:~#
>>
>>
>>
>> On 6 November 2014 18:36, Jan Groenewald <email address hidden> wrote:
>>
>>> 14.04 server installs.
>>>
>>>
>>> On 6 November 2014 18:27, Brian Murray <email address hidden> wrote:
>>>
>>>> What release...

Read more...

Torsten Curdt (tcurdt) wrote :

Seeing the very same thing here on a server install.

I consider severity quite high because I was trying to secure a new server installation with "PasswordAuthentication no".
 Only by accident I found that the sshd did not accept the new configuration and was still wide open with password authentication.

This is pretty bad.

Robie Basak (racb) wrote :

This sounds like a duplicate of bug 1273462 to me.

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