All environment variables defined in monkeysphere(1) can also be used
for the proxy command, with one note:
-.TP
-MONKEYSPHERE_LOG_LEVEL
-Set the log level. Can be SILENT, ERROR, INFO, DEBUG, in increasing
-order of verbosity.
-
.TP
MONKEYSPHERE_CHECK_KEYSERVER
Setting this variable (to `true' or `false') will override the policy