I have set up my OpenFire server and wrote my own (very simple) client to work with it.
All is fine, except that every time when I am trying to transfer files using IBB I am getting "…
When I am sending files using out-of-band protocol all is working, but then I have these firewall issues.
I have read in the docs that OpenFire supports XEP-0047, so my guess is something is not configured right on my server.
Can somebody, please, point me how to configure it?
Thanks a lot,