Jailed Service contact IMAPS

[Peter Fraser]

Yes I can connect over telnet. If I even do openssl s_client -connect
<server_ip>:993 I can also connect and list my mail. The machine is
running FreeBSD 8 by the way.

On Mon, Dec 28, 2009 at 9:53 AM, Paul Procacci <pprocacci at datapipe.com> wrote:
> Peter Fraser wrote:
>>
>> Hi All
>>
>> I have two servers, one running apache and squirrelmail in a jail.
>> Squirrelmail on this server is trying to contact dovecot running imaps
>> on port 993 on another server and failing. When I try from another
>> physical machine it works but I would prefer to run this service from
>> within a jail.
>>
>> Can anyone please let me know how to make this work?
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> Have you tried to first do a simple (from within the jail):
>
> telnet host 993
>
> Do you get connected?  If not, do you have any firewall rules either on
> the host maintaining the jail or the host you are connecting to?  If
> not, can you do a tcpdump to see what specificly is happening to those
> packets via (on the host again):
>
> tcpdump -i <interface> host <ip of jail> and port 993
>
> Do you see packets both leaving your machine and coming back?  If not,
> can you repeat the process above on the host machine maintaining the
> jail, but not within the jail itself.  Are the results the same?
>
> The above is a start and should provide enough information as to whether
> the problem is specific to the jail or the physical host.
>
> ~Paul
>
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