/etc/flashproxy/facilitator-relays is in flashproxy-facilitator 1.7-2.
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 | # List some relays that the facilitator will match proxies with.
# Each line contains a transport and an address, separated by space.
# See doc/design.txt for details of the transport syntax.
#obfs3|websocket 192.81.135.242:9500
#websocket 192.81.135.242:9901
#obfs3|websocket [2600:3c01::f03c:91ff:fe73:b602]:9500
#websocket [2600:3c01::f03c:91ff:fe73:b602]:9901
|