Implements an HTTP proxy that forwards requests to another HTTP proxy.
Usage:
autoauth [ <command-line-option> ] ...
Valid command line options are:
--help
    Prints this text.
--endpoint-address <host-name-or-ip-address>
    The address of the interface that AUTOAUTH binds to. Binding to localhost
    allows only <local> processes to connect.
--endpoint-port <port-number> (mandatory)
    The port that AUTOAUTH binds to.
--target-address <host-name-or-ip-address> (mandatory)
    The address of the "real" HTTP proxy to connect to.
--target-port <port-number> (mandatory)
    The port of the "real" HTTP proxy to connect to.
--prompt <text>
    The "realm" string that is displayed in the proxy authentication dialog.
--handle-server-authentication
    Handle 401 responses; default is to return them to the client.
--dont-handle-proxy-authentication
    Don't handle 407 responses, but return them to the client.
--no-warn
    Don't print warnings.
--verbose
    Log request URLs and response status to STDOUT.
--debug (may appear multiply)
    Enable logging; repeat for more logging.
