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Access Mac Mini Server (profile management) through reverse proxy

Hi,

Newbie in Mac's world and yet trying to make it more complicated as it is.

As we recently (last month) decided to equip our sales force with iPads, they were configured through Apple Configurator tool running on a dedicated Mac Mini Mountain Lion.

Now, I'd be keen in moving this configuration to the Profile Manager, part of the OSx Server plugin. So far so good.


Problem is the following : another web server is already on the LAN using both 80 and 443 ports. So all incoming traffic on those ports was routed to this other server. As Mac Mini Server default http/s ports may not be altered, I installed a reverse proxy server (Oracle VM - Ubuntu 12.04LTS - pound), configured to deal differently traffic on those ports according to the domain name (host) of the web request (header). Each 'local' server has been allocated a domain name. Just to be clear, traffic is now routed by the WAN/LAN router, for those ports, towards the reverse proxy, configured to reroute the traffic to the correct destination.


So far so good, it works like a charm, except... as soon as we enter https protocol on Mac Mini Server Profile Manager.

Access from an iDevice to the Mac Mini Server Profile Manager login page is fine, but as soon as password is confirmed, safari is pending and finally a message 'An internal serer error occured. Please try later again' appears.


Looking to both reverse proxy system log and Mac Mini profilemanager.log files to trace the problem, the following lines are produced at this particular moment :

reverse proxy system.log

Jan 15 14:44:03 reverseproxy pound: 91.... GET /devicemanagement/console/apple_theme_v2/en/da56af0a69e733b259dac3991419fa928b4 94a56/resources/images/sprites/me_controls.png HTTP/1.1 - HTTP/1.1 200 OK

Jan 15 14:44:03 reverseproxy pound: 91.... GET /auth?redirect=http://osxsrv.fiks.net/devicemanagement/api/authentication/callback HTTP/1.1 - HTTP/1.1 302 Moved Temporarily

Jan 15 14:44:04 reverseproxy pound: 91.... GET /devicemanagement/api/authentication/callback?auth_token=336952DE-BDDE-4390-82F 7-8475B79FB2D3 HTTP/1.1 - HTTP/1.1 302 Moved Temporarily

Jan 15 14:44:04 reverseproxy pound: (b7680b40) e500 can't read header

Jan 15 14:44:04 reverseproxy pound: (b7680b40) e500 response error read from 192.168....:443/GET /profilemanager/ HTTP/1.1: Success (0.007 secs)

Jan 15 14:44:08 reverseproxy pound: 91.... POST /devicemanagement/api/magic/get_updated HTTP/1.1 - HTTP/1.1 200 OK


OSx Server profilemanager.log


Jan 15 14:44:05 osxsrv ProfileManager[1748] <Info>: Processing MagicController#do_magic (for 91.... at 2013-01-15 14:44:05) [POST]

Jan 15 14:44:05 osxsrv ProfileManager[1749] <Info>: Processing MagicController#do_magic (for 91.... at 2013-01-15 14:44:05) [POST]

Jan 15 14:44:06 osxsrv ProfileManager[1748] <Info>: Completed in 492ms (View: 0, DB: 6) | 200 OK [http://osxsrv.../magic/do_magic]

Jan 15 14:44:06 osxsrv ProfileManager[1749] <Info>: Completed in 687ms (View: 0, DB: 5) | 200 OK [http://osxsrv..../magic/do_magic]

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: auth_token doesn't exist

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: Filter chain halted as [:verify_auth_token] rendered_or_redirected.

Jan 15 14:44:07 osxsrv ProfileManager[1751] <Info>: Processing MagicController#do_magic (for 91.... at 2013-01-15 14:44:07) [POST]

Jan 15 14:44:07 osxsrv ProfileManager[1751] <Info>: auth_token doesn't exist

Jan 15 14:44:07 osxsrv ProfileManager[1751] <Info>: Filter chain halted as [:verify_auth_token] rendered_or_redirected.

Jan 15 14:44:07 osxsrv ProfileManager[1751] <Info>: Completed in 4ms (View: 1, DB: 14) | 403 Forbidden [http://osxsrv..../magic/do_magic]

Jan 15 14:44:07 osxsrv ProfileManager[1748] <Info>: Processing MagicController#do_magic (for 91.... at 2013-01-15 14:44:07) [POST]

Jan 15 14:44:07 osxsrv ProfileManager[1748] <Info>: auth_token doesn't exist

Jan 15 14:44:07 osxsrv ProfileManager[1748] <Info>: Filter chain halted as [:verify_auth_token] rendered_or_redirected.

Jan 15 14:44:07 osxsrv ProfileManager[1748] <Info>: Completed in 45ms (View: 1, DB: 43) | 403 Forbidden [http://osxsrv..../magic/do_magic]

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: Processing MagicController#do_magic (for 91.... at 2013-01-15 14:44:07) [POST]

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: auth_token doesn't exist

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: Filter chain halted as [:verify_auth_token] rendered_or_redirected.

Jan 15 14:44:07 osxsrv ProfileManager[1750] <Info>: Completed in 55ms (View: 0, DB: 1) | 403 Forbidden [http://osxsrv..../magic/do_magic]

Jan 15 14:44:08 osxsrv ProfileManager[1749] <Info>: Processing AuthenticationController#callback (for 91.... at 2013-01-15 14:44:08) [GET]

Jan 15 14:44:08 osxsrv ProfileManager[1749] <Info>: Redirected to https://osxsrv..../profilemanager/

Jan 15 14:44:08 osxsrv ProfileManager[1749] <Info>: Completed in 149ms (DB: 5) | 302 Found [http://osxsrv..../authentication/callback?auth_token=[FILTERED]]


I guess the '302 Found' is causing or explaining the problem.

I agree this might not be a Mac issue, so I still knock your doors hoping some of you could at least give a hint for what to search for !


If the pound configuration file is of interest, just ask, but this is pretty trivial, saying basically listen these protocols (http/https) on these ports (80/443) and according to Header content (check destination host) and reroute packet to LAN device (with given LAN IP address).


As the default port(s) of the Mac Mini Web Services may not be altered (so far I know), I guess I am stuck using 80 and 443 anyway.


Maybe should I invest time in changing my other apache server ports to some more exotic 8080 or 88 or whatever so Mac Mini Server Profile Manager default ports 80 and 443 are maintained and can be easily and directly rerouted to my Mac server without any reverse proxy along the way.


Thanks in advance for your help

Alx

Mac mini (Mid 2011), OS X Mountain Lion (10.8.2)

Posted on Jan 15, 2013 6:16 AM

Reply
2 replies

Jan 16, 2013 5:28 AM in response to mtf.admin

As I wanted to close some doors on this issue, I managed to route both ports 80 and 443 directly to the Mac Mini Server, and login on the profile manager from a iPad is fine.

This means the reverse proxy mechanism do not function well. Might it be some certification issue, or a configuration setting I do not yet know, nevertheless, I do have a way now to make my MDM up and running.


Feel free to add your comments and suggestion though, as I expect some other admnistrators to fight again such problems.


Thanks for your support

Access Mac Mini Server (profile management) through reverse proxy

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