proxy between the robot and the web server, then accessing
/config can affect the proxy.
--- /dev/null
+# This is the Internet Junkbuster web site.
+#
+# If the robot is connecting through a JunkBuster, then the
+# control interface is at /config. It isn't very useful
+# to index it, and you're likely to break stuff. So go away!
+#
+# Even if you're not connected through a JunkBuster, the
+# one "JunkBuster's not working" page there is not very
+# interesting.
+
+User-agent: *
+Disallow: /config/
+
+
+