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Date:      Thu, 12 Jul 2012 21:04:52 +0200
From:      "Herbert J. Skuhra" <h.skuhra@gmail.com>
To:        freebsd-jail@freebsd.org
Subject:   Re: Jails on FreeBSD 9.0
Message-ID:  <CADfJ1Pa1dpZ5StTTrG=8KVnFNzUuK58MhLXrg4prAqq4cKLK2g@mail.gmail.com>
In-Reply-To: <CAPd55qAiWO5eQ=KkweuWir%2BgD4C1LSSbiky2VgZwiDpwwUyJaw@mail.gmail.com>
References:  <87fw8yariq.wl%h.skuhra@gmail.com> <CADfJ1PYDaJ-ogJq8ewvzLk3sCjqrE0bw36grVSAn2_16dZHDhw@mail.gmail.com> <CAPd55qAiWO5eQ=KkweuWir%2BgD4C1LSSbiky2VgZwiDpwwUyJaw@mail.gmail.com>

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On Thu, Jul 12, 2012 at 11:56 AM, joris dedieu <joris.dedieu@gmail.com> wrote:
> 2012/7/12 Herbert J. Skuhra <h.skuhra@gmail.com>:
>> On Wed, Jul 11, 2012 at 11:59 PM, Herbert J. Skuhra <h.skuhra@gmail.com> wrote:
>>> Hi,
>>>
>>> although I've followed the instructions in jail(8) and jail.conf(5) I
>>> cannot manage to setup jails on FreeBSD 9.0 STABLE (r238334).
>>>
>>> The symptons:
>>>
>>> * ssh'ing to jail works, but it takes about 20 seconds until password
>>>   prompt appears
>
> Does it still the same with UseDNS=no in /etc/ssh/sshd_config ?

No, I can login instantly.

>>> * netstat -r in the jail takes about 150 seconds to finish
>
> Does netstat -rn does the same ?

No, the output appears immediately.

>>> * connections to the internet time out; with tcpdump I see that
>>>   packets leave and enter the public interface on the host, but never
>>>   reach the jail
>>>
>>> I use lo1 interface and ip address 192.168.1.1/24 for the jail. Public
>>> interface is fxp0 with both an IPv4 and an IPv6 address assigned.
>>> Of course, nat is enable via pf on the public interface.
>
> Can you post your PF configuration ?
>>
>> After switching to ipfw/natd networking in the jail works.
>> Could this be a bug?
>
> I think you had an issue with firewall that block name resolution and
> makes everything goes slow. At least you need one single line on your
> pf.conf :
>
> nat on $public_interface form $jail_ip to any -> ($public_interface)

Even when loading only the nat rule it doesn't work:

nat on fxp0 from  192.168.1.0/24 to any -> $ext_addr

Thanks.
Herbert



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