Merge pull request #189 from drewp/master

proposed doc addition for #180

Author: Charlie Robbins

Diff for: README.md

@@ -363,6 +363,12 @@ By default, `node-http-proxy` will set a 100 socket limit for all `host:port` pr
 1. By passing the `maxSockets` option to `httpProxy.createServer()`
 2. By calling `httpProxy.setMaxSockets(n)`, where `n` is the number of sockets you with to use. 
 
+## POST requests and buffering
+
+express.bodyParser will interfere with proxying of POST requests (and other methods that have a request 
+body). They'll never sending anything to the upstream server, and the original client will just hang. 
+See https://github.com/nodejitsu/node-http-proxy/issues/180 for options.
+
 ## Using node-http-proxy from the command line
 When you install this package with npm, a node-http-proxy binary will become available to you. Using this binary is easy with some simple options: