/etc/fusionforge/config.ini.d/zzzz-local.ini is in gforge-common 5.3.2+20141104-3+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | ; Local customizations which should override the defaults.
;
; Instead of changing the defaults.ini, you may copy/paste only the
; needed changes into this file
;
; This file is named zzzz-local.ini so that alphabetical order
; sortering places is at the end (thus overriding previous settings,
; including the migrated one in zzz-migrated-old-config, if need be)
;
; For instance, uncomment the following to allow project submission by any logged-in user :
;[core]
;project_registration_restricted = no
|