'Preventing' HTTP Tunneling (cont)
  $ perl -MMIME::Base64 -le 'print encode_base64("reegen:twins")'
  cmVlZ2VuOnR3aW5z
  $ nc proxy 3128
  GET http://www.example.com/ HTTP/1.0
  Proxy-authorization: Basic cmVlZ2VuOnR3aW5z
  User-Agent: Mozilla/3.01Gold (X11; I; HP-UX A.09.05 9000/770)
  HTTP/1.1 200 OK
  Date: Thu, 25 Sep 2003 20:30:00 GMT
  Server: Apache
  Content-Length: 5773
  Connection: close
  Content-Type: text/html; charset=iso-8859-1
  X-Cache: HIT from client.host_name.com
  Proxy-Connection: close
  ...

Copyright 2003, Bri Hatch of Onsight, Inc.

Presented at SecureWorld Expo, 2003.

Presentation created using vim and MagicPoint.