1. Feb 09 20:48:27 general warn    Attempt to read a non-existent global 'PROXY'
2. stack traceback:
3.         /usr/share/lua/5.1/socket/http.lua:189: in function 'adjusturi'
4.         /usr/share/lua/5.1/socket/http.lua:247: in function 'adjustrequest'
5.         /usr/share/lua/5.1/socket/http.lua:295: in function 'trequest'
6.         /usr/share/lua/5.1/socket/http.lua:345: in function </usr/share/lua/5.1/socket/http.lua:331>
7.         (tail call): ?
8.         [C]: in function 'request'
9.         ...od_http_upload_external/mod_http_upload_external.lua:68: in function '?'
10.         /usr/lib/prosody/util/events.lua:78: in function </usr/lib/prosody/util/events.lua:74>
11.         (tail call): ?
12.         (tail call): ?
13.         /usr/lib/prosody/modules/mod_iq.lua:70: in function '?'
14.         /usr/lib/prosody/util/events.lua:78: in function </usr/lib/prosody/util/events.lua:74>
15.         (tail call): ?
16.         /usr/lib/prosody/core/stanza_router.lua:187: in function 'core_post_stanza'
17.         /usr/lib/prosody/core/stanza_router.lua:135: in function 'core_process_stanza'
18.         /usr/lib/prosody/modules/mod_c2s.lua:244: in function 'func'
19.         /usr/lib/prosody/util/async.lua:88: in function </usr/lib/prosody/util/async.lua:86>
20.