jail and networking

Teske, Devin Devin.Teske at fisglobal.com
Wed Feb 20 18:59:59 UTC 2013


On Wed, 20 Feb 2013, Bernt Hansson wrote:

> On 2013-02-20 19:07, Jeff Tipton wrote:
> > On 02/20/2013 19:42, Bernt Hansson wrote:
> >> On 2013-02-20 17:23, Teske, Devin wrote:
> >>> On Wed, 20 Feb 2013, Bernt Hansson wrote:
> >>>
> >>>> Hello list!
> >>>>
> >>>> I dont seem to get net working in a test jail.
> >>>>
> >>>> These I've tried;
> >>>>
> >>>> ftp, fetch, telnet
> >>>>
> >>>> They time out.
> >>>>
> >>>> Ssh sort of work.
> >>>>
> >>>> 32bit# ssh 10.0.0.3
> >>>> ssh_askpass: exec(/usr/local/bin/ssh-askpass): No such file or
> >>>> directory
> >>>> Host key verification failed.
> >>>>
> >>>> jail is 8.3-STABLE i386 GENERIC
> >>>>
> >>>> host is FreeBSD 8.3-STABLE amd64 GENERIC
> >>>>
> >>>> I'm sure you want more info so just tell me what info.
> >>>
> >>> Commonly the problem is that you are "jexec'd" into the jail and I
> >>> find that tools like ssh, ftp, telnet, etc. don't work when you're in
> >>> the jail via "jexec" but instead what works way better is if you ssh
> >>> into the jail (via the jail'd ssh process of course).
> >>>
> >>> Does that seem to be the case in your situation?
> >>
> >> If you mean this sshd  IsJ    0:00,00 /usr/sbin/sshd
> >>
> >> Then no.
> >>
> >> %ssh 10.0.0.10 ssh: connect to host 10.0.0.10 port 22: Operation timed
> >> out
> >>
> >> I did have an alias on the host to the jail's ip.
> >> Tried to restart the jail it went fine, but now I can't jexec in to
> >> the jail.
> >>
> >> testbox# jexec 1 tcsh
> >> jexec: jail_attach(1): Invalid argument
> >>
> >> Sooo... I'm kind of out of ideas.
> 
> > What does "jls" command say? If you have restarted your jail, it's ID
> > most likely has changed.
> 
> The ID did change, didn't know about that, thank you.
> 
> But still, sshd isn't running in the jail
> 
> 32bit# ps ax
>    PID  TT  STAT      TIME COMMAND
>   2385  ??  IsJ    0:00,00 sendmail: Queue runner at 00:30:00 for
> /var/spool/clientmqueue (sendmail)
>   2391  ??  SsJ    0:00,00 /usr/sbin/cron -s
>   2464   0  SJ     0:00,01 tcsh
>   2482   0  R+J    0:00,00 ps ax
> 
> testbox# ps ax | grep J
>   2385  ??  IsJ    0:00,00 sendmail: Queue runner at 00:30:00 for
> /var/spool/clientmqueue (sendmail)
>   2391  ??  SsJ    0:00,00 /usr/sbin/cron -s
>   2488   0  S+     0:00,00 grep J
> 
> testbox is the host.

A stab in the dark, but...

Did you add sshd_enable="YES" to the jail's rc.conf(5)?
-- 
Devin

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