I am evaluating active forums 6.5 on dnn 9.8.1. as a test, i tried to post a message with an image attachment. the program reports that the image type is not allowed, but it is allowed on my site (jpg). so i tried the easydnn forums module but it reports http 405. its support agent says that it is permissions but he is off the mark because the apppool identity has full control to the root of the web folder (and below).
i am able to upload images in my theme manager, the html module, and the site and global resources modules. so i think that this issue might be ckeditor related - but not sure. i tried looking at some of its settings, but it is not clear what to change - if even that is the culprit.
i do have content security policy policies, but removing them did not help.
I think it's better is you log this on github https://github.com/DNNCom.../Dnn.CommunityForums :-)
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