It's working OK on Firefox here, so I think thre issue must be caused by a browser plug-in you have installed or some other software on your computer that is intercepting requests for the map tiles. I would suggest trying to disable all browser plugins first to see if this helps.
Hello, just checking on the same computer as the other day (Firefox):
network.http.sendRefererHeader = 1 (http://kb.mozillazine.org/Network.http.sendRefererHeader)
It used to work though, and I'm not entirely at liberty to change the config. â˜¹
Thanks for flagging this up. It seems to be working OK here though and we've had no other reports of this issue. If you're familiar with browser dev tools can you check what the Referrer is for these GET requests under the Request Headers?
If one selects the OSM map background "paths map", the image goes blank. Upon inspection using the browser's dev tools I see the following (example):
HTTP 200 OK
Access not allowed
I have tried both logged in and out.