A bit confused...

[steve]

I'm tryiong to make some sense out of this and am left a bit cold! What 
could cause this:

( I've left out any attempt at anonymising in case I hide something )

 From the docroot...

$ ls -l images/models/Lapierre/Overvolt*
-rw-r--r-- 1 right-bike right-bike 342373 Jun 11 20:09 
images/models/Lapierre/Overvolt FS.png
-rw-r--r-- 1 right-bike right-bike 318335 Jun 11 20:09 
images/models/Lapierre/Overvolt HT.png


$ curl -I http://backend.right.bike/images/models/Lapierre/Overvolt\ FS.png
HTTP/1.1 200 OK
Server: nginx/1.9.1
Date: Fri, 12 Jun 2015 01:47:14 GMT
Content-Type: image/png
Last-Modified: Thu, 11 Jun 2015 10:09:52 GMT
ETag: "55795e70-53965"
Expires: Sat, 13 Jun 2015 01:47:14 GMT
Cache-Control: max-age=86400
Accept-Ranges: bytes
Content-Length: 342373
Connection: Keep-Alive

$ curl -I http://backend.right.bike/images/models/Lapierre/Overvolt\ HT.png
HTTP/1.1 400 Bad Request
Server: nginx/1.9.1
Date: Fri, 12 Jun 2015 01:47:05 GMT
Content-Type: text/html
Content-Length: 172
Connection: close

The second one shows no entry at all in the access log but I can't find 
any reason why they're processed differently at all.

Suggestions please!

-- 
Steve Holdoway BSc(Hons) MIITP
http://www.greengecko.co.nz
Linkedin: http://www.linkedin.com/in/steveholdoway
Skype: sholdowa