jail and networking
Bernt Hansson
bah at bananmonarki.se
Wed Feb 20 22:57:30 UTC 2013
2013-02-20 22:17, doug skrev:
>
> On Wed, 20 Feb 2013, Jeff Tipton wrote:
>
>> On 02/20/2013 20:59, Teske, Devin wrote:
>>> 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.
> Or from the host: sockstat | grep :22. You should see something like
>
> root sshd 2016 3 tcp4 192.168.17.15:22 *:*
>
> for each jail
testbox# sockstat | grep :22
bernt sshd 3541 3 tcp4 10.0.0.3:22 80.x.x.x:25605
root sshd 3539 3 tcp4 10.0.0.3:22 80.x.x.x:25605
root sshd 1296 3 tcp6 *:22 *:*
root sshd 1296 4 tcp4 *:22 *:*
The jail has ip 10.0.0.10. There is only one jail.
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