UPDATE 12/17/2014 - Based on Mike's comment below it does indeed look like option 2 is supported!! So have at it, proxy away people....

Over that past few weeks I've been banging my head against the wall trying to figure out why a Traveler server that has been relocated behind a proxy would not work (it was a standalone server that was working fine before it was moved behind the proxy). Everything seemed fine, except one couldn't get to the Traveler log on page and/or add devices to the servers. Existing users worked flawlessly. Needless to say this was extremely aggravating. I'd install another, new Traveler server and put it behind the same proxy and it would work fine. WTF?

So after much digging and testing (I've create more Traveler servers in the last week than I have in the rest of my career), I think I have finally managed to work out what the issue is. I would say this is definitely a bug with Traveler, but given the issues I've had lately with PMR's I'm in no mood to play that game Russian Roulette so I decided to  figured out a fix on my own (probably and utterly unsupported but it works for me - oh, it is supported!!!).

So first, let's outline the problem/bug I found in Traveler.....

If your Traveler server Domino common name, lets say Traveler/Blah (so traveler) is the same as the hostname in the proxy URL, lets say traveler.blah.com (so traveler) then Traveler throws a wobbler. Do not pass go, do not collect $200 if you will. You will be unable to get to the Traveler web page on the device or any browser for that matter.

Now, use any other Domino server name and as long as it's not the hostname part of  URL you use on the proxy then you are fine. This is what I was inadvertently doing when I was creating new Traveler servers to test on. Doh.

So a Domino server name of LNT1/Blah and a proxy URL of traveler.blah.com.....fine! No issues, proxy works fine. "Argh!" I hear you say, "Darren, I have a Traveler server called Traveler/Blah and also use the URL traveler.blah.com to get to it....so I can't proxy it then?". Well yes......

You have two options.....

1 - Install Domino with IHS (on Windows of course) and use IHS. I don't think IHS will have this issue. Hum, IHS no longer supported for a front end to Domino, see this IBM technote.

2 - (and this is the part that is probably unsupported) I was able to build a new Domino server (exact same Domino and Traveler versions as the one you want to proxy) using the Domino server name LNT1/BLAH and copied over the LotusTraveler.nsf and traveler folders out of the existing servers data folder to the new one. I then configured the proxy to use traveler.blah.com and low and behold, it works!

I've been running on the new server for a few days and so far neither iOS users nor Android users have reported any issues so, fingers crossed, this may well work. Who knew?

Here's the new flow:

Internet -> Proxy using host name traveler.blah.com -> Domino Traveler server called LNT1/Blah with a host name of lnt1.blah.com
Darren Duke   |   December 16 2014 06:10:46 AM   |    domino  traveler    |  
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1 - Mike Wissinger       12/16/2014 12:46:39 PM

Sounds like the Minimal Data Copy method on IBM's recommended procedure for moving a Traveler server. I wouldn't think you'd have any support trouble. { http://www-10.lotus.com/ldd/dominowiki.nsf/xpDocViewer.xsp?lookupName=Administering+Lotus+Notes+Traveler+8.5.3#action=openDocument&res_title=Moving_Lotus_Notes_Traveler_to_a_new_server_LNT853&content=pdcontent }