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+# X-Forwarded-For middleware fo Go [![godoc](http://img.shields.io/badge/godoc-reference-blue.svg?style=flat)](https://godoc.org/github.com/sebest/xff) [![Build Status](https://travis-ci.org/sebest/xff.svg?branch=master)](https://travis-ci.org/sebest/xff)
+
+Package `xff` is a `net/http` middleware/handler to parse [Forwarded HTTP Extension](http://tools.ietf.org/html/rfc7239) in Golang.
+
+## Example usage
+
+Install `xff`:
+
+    go get github.com/sebest/xff
+
+Edit `server.go`:
+
+```go
+package main
+
+import (
+  "net/http"
+
+  "github.com/sebest/xff"
+)
+
+func main() {
+  handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+    w.Write([]byte("hello from " + r.RemoteAddr + "\n"))
+  })
+
+  xffmw, _ := xff.Default()
+  http.ListenAndServe(":8080", xffmw.Handler(handler))
+}
+```
+
+Then run your server:
+
+    go run server.go
+
+The server now runs on `localhost:8080`:
+
+    $ curl -D - -H 'X-Forwarded-For: 42.42.42.42' http://localhost:8080/
+    HTTP/1.1 200 OK
+    Date: Fri, 20 Feb 2015 20:03:02 GMT
+    Content-Length: 29
+    Content-Type: text/plain; charset=utf-8
+
+    hello from 42.42.42.42:52661