How HTTP referer works

how_referer_header_works.py

#!/usr/bin/env python

# save this file and run `python how_referer_header_works.py`
# to stop you can use commnad `lsof -i tcp:9999` and kill pid

# usage: make public post on any site with hlink href http://0.0.0.0:9999 and click on it
# or `curl 0.0.0.0:9999 --referer google.com -H "X-Something: Yeah-yeah-yeah"`

# see output of script with headers section (custom referer)


import SimpleHTTPServer
import SocketServer
import logging

PORT = 9999


class GetHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):

    def do_GET(self):
        logging.error(self.headers)
        SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)


Handler = GetHandler
httpd = SocketServer.TCPServer(("", PORT), Handler)

httpd.serve_forever()