README: mention strports-ness of NODE/webport, closes #55

diff --git a/README b/README
index 75a268e156695a50ac92de6636fcf2c80cd9eaec..a79d119f1340bfb659feca6eb2915e116c3019b5 100644 (file)
--- a/README
+++ b/README
@@ -218,9 +218,14 @@ RUNNING:
 
  To actually use the client, enable the web interface by writing a port
  number (like "8080") into a file named $HERE/webport and then restarting the
- node with 'allmydata-tahoe restart --basedir $HERE'.  This will prompt the
+ node with 'allmydata-tahoe restart --basedir $HERE'. This will prompt the
  client node to run a webserver on the desired port, through which you can
- view, upload, download, and delete files.
+ view, upload, download, and delete files. This 'webport' file is actually a
+ "strports specification", defined in
+ http://twistedmatrix.com/documents/current/api/twisted.application.strports.html
+ , so you can have it only listen on a local interface by writing
+ "tcp:8080:interface=127.0.0.1" to this file, or make it use SSL by writing
+ "ssl:8443:privateKey=mykey.pem:certKey=cert.pem" instead.
 
  A client node directory can also be created without installing the code
  first.  Just use 'make create-client', and a new directory named 'CLIENTDIR'