ffproxy(8) on Linux
The text 2972e3f1d937, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
filtering HTTP/HTTPS proxy server
Flags it lists
-
-4 -
-A -
-B -
-C -
-D -
-X -
-a -
-b -
-c -
-d -
-f -
-g -
-h -
-l -
-n -
-p -
-r -
-s -
-u -
-v -
-x