/usr/share/doc/sysprofile/examples/etc/sysprofile.d/proxies.bash is in sysprofile 0.3.8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ftp_proxy=http://some-proxy.near.you:80
http_proxy=http://some-proxy.near.you:80
|