WLAN/VPN Upgrade
           Marc Seeger
              MIB6
   Projekt Sommersemester 08
Was?

Aufbau einer PPTP Infrastruktur
mit Anbindung an das HdM LDAP
über einen Radiusserver
Infrastruktur
Warum?
Motivation #1




   Say bye to recep   ion
Motivation #2
Motivation #2
Evaluation
Plattform-Support
Einsatz auf Smartphones

         Symbian   Windows Mobile
keine Zertifikate
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: SKS 1.0.10

mQGiBEUa/PERBAC6pAcHyYLZX6ZGzbL3ANHawQLFTe9Eetu...
Resultate
            OpenVPN    IPSec       PPTP
  OSX         X       X (nativ)   X (nativ)
Windows       X       X (nat...
Software-Setup
Poptop   FreeRadius   OpenLDAP
Probleme
Security
[...]
Conclusions

Microsoft has improved PPTP to correct the major security
weaknesses described in [SM98]. Howe...
Hashes
Umleitung
Überlastung verhindern
Usability
Daten

• IP: 141.62.39.253
• User: Euer HdM Kürzel
• Passwort: Euer HdM Passwort
Windows
Windows
Windows
Windows
Windows
Windows
Windows
OSX
OSX
OSX
OSX
OSX
OSX
KTHXBYE
HdM Stuttgart Präsentationstag PPTP VPN WLAN Update
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HdM Stuttgart Präsentationstag PPTP VPN WLAN Update

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Meine Projektvorstellung am HdM Medieninformatik Präsentationstag

mail (at) marc-seeger.de

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HdM Stuttgart Präsentationstag PPTP VPN WLAN Update

  1. 1. WLAN/VPN Upgrade Marc Seeger MIB6 Projekt Sommersemester 08
  2. 2. Was? Aufbau einer PPTP Infrastruktur mit Anbindung an das HdM LDAP über einen Radiusserver
  3. 3. Infrastruktur
  4. 4. Warum?
  5. 5. Motivation #1 Say bye to recep ion
  6. 6. Motivation #2
  7. 7. Motivation #2
  8. 8. Evaluation
  9. 9. Plattform-Support
  10. 10. Einsatz auf Smartphones Symbian Windows Mobile
  11. 11. keine Zertifikate -----BEGIN PGP PUBLIC KEY BLOCK----- Version: SKS 1.0.10 mQGiBEUa/PERBAC6pAcHyYLZX6ZGzbL3ANHawQLFTe9EetulZjaL6P4VrggaHH298Ic6nDKa uRz/mOG+1OiwkLFP2qsUnb5ozCTCgrAAHdLp5+3e7B+N8D7ytjFEi4waLVQxUMcpmy8GZ2fY pLAP462VV7pQ8tNRqSIkZNz73Yb7G/kBxGcHnnA91wCg+UyBd3vMV+bJlMx9zENLufWq/nEE ALLe3OcTzkwbkGCjmM0VWJ7bMZx7jIlNlUmX9yqtwGvwJ3AQscAtpiXtxwlNOtJYmBn6VNMU 3TferHIQHx6b3qqmxHcBmCOFucY/I9XYQs2gOsXKOt2aY6F6A0MMe+EjdYjDoDqrE85ma2y7 yC1OhzLW1T1AqJdnXdC8i980Ag0qA/0XyAubHrvSJh7A+VQXoJamAJCeNOO4I777fZpMCHEl R05lxaZOsm+ocLrqnKD/9AbUZUJr0TzBJQy7DQd8JQoOchDBi4tzDEM2AYakY7iHKBcWtAUi w1kFVMgkZbW2zu+nRklX0JpssNUuvHDusOnD46r/fBlSM3Z+Yzdg98xQ27QhTWFyYyBTZWVn ZXIgPG1haWxAbWFyYy1zZWVnZXIuZGU+iEYEEBECAAYFAkUbkBUACgkQa7NR0ZrY0dfpZACf YsUh5LGLSbzqt7KFHtoQKa5iq2MAn06cyvCeylPLARbeH9vX+9dboe6KiEYEEBECAAYFAkcM a8oACgkQjS31JhtIKH8e/ACcDwTuHjSsjB7wcd6KYi3wcFG4Gk8An0xOJq+xfTPiR9sTOq0W tMdozedDiEYEEBECAAYFAkcuSNIACgkQt8QAD/33qWzjLgCfdTN9xp66ylwLbMlks0li5kfv wyAAn3HJYH1I7GZGzn0GxUJ7JpAF2tpaiEYEEBECAAYFAkeQhxYACgkQHcl4qC6MNVreSwCe LLdoWD5TYrz7YLi00/f+A2sGPXwAnRrWbJxIVulA/c48qqNNUcpC+T0KiGAEExECACAFAkUa /PECGwMGCwkIBwMCBBUCCAMEFgIDAQIeAQIXgAAKCRAsGElMfIiDbO/eAJwMJOCpBbWswfQV WtMcbvrs8dlEFwCbBh+Yh45G4Tl18YnxMf5Pm23kwOyJAhwEEAECAAYFAkgGBrcACgkQOn9Q r2eQ/3nJiA//TaTPHNTvpVmshLcYV7jLc9D1iKrxZElbbnK/PrexgGa3nIlykpOb0AmY0HQb AhdGwel64zKvxvCTCltsXZaLA+xRgjTJY+K0w9QiXzf5wIU+xOYx+3mVu06UdY357AvfC+3M 7/6yj/a6QO02o7oC7eF9fSajS3BgazyQaCbGIvVsEurrcKRVyfoGqbfBzBSIIXalR1q+S0Hx K/3Ng1oaXfS2110Jh7U46ZoQvM28U4utWJA4bt/5K9d2q4/FLB/wp4OfS57NUX4BVHwxnP/N y8luMT6NC8G70TiAvJSOTodDTm/AuIruuDBEKPj1Q2lGQnv7av25aCXllq6Fv01NUiDdDbmd upphwt4zkOv1vlpi8N/9krvXnrAG6e65TDCPTQLYcmiW+Iv/EWq1l/RrP/M5Jxn+mCX+s9qe ANa8QLbAm14hmPOl1x/R29BsTisxvU1ofmxCiid1/Knd3iNiXyvaMaIpdPXG29VC0T/OsNMf DmmAWX32zSEd806AMZ3CHesadGnarhViccmnhVnreVkhpKv0JYFeA/JiKwnl8olywtqsdc9p PrymOETE5AR8lxhByAw/zVhWYGW81dnSEDleAeCndl9QLS3+vkUVEJGs3OUmaO+p789jVczx Wdvh08ovD/5L1ZJGqiZ3zs0aeldLFUd+JzA7qb4vfNE91UaJAhwEEwECAAYFAkciSMIACgkQ giuE4S+4WRAjGRAA3MNyC096Yo89TJ3xka8ZFxlqn3697ZG/jROxiFfrDOPhijux6sECBX+O
  12. 12. Resultate OpenVPN IPSec PPTP OSX X X (nativ) X (nativ) Windows X X (nativ) X (nativ) Linux X X X iPhone (X) X Symbian naja... WM (X) X User+Pass X 3 2 1
  13. 13. Software-Setup
  14. 14. Poptop FreeRadius OpenLDAP
  15. 15. Probleme
  16. 16. Security [...] Conclusions Microsoft has improved PPTP to correct the major security weaknesses described in [SM98]. However, the fundamental weakness of the authentication and encryption protocol is that it is only as secure as the password chosen by the user. Quelle: Bruce Schneier: Cryptanalysis of Microsoft's PPTP Authentication Extensions (MS-CHAPv2) http://www.schneier.com/paper-pptpv2.html
  17. 17. Hashes
  18. 18. Umleitung
  19. 19. Überlastung verhindern
  20. 20. Usability
  21. 21. Daten • IP: 141.62.39.253 • User: Euer HdM Kürzel • Passwort: Euer HdM Passwort
  22. 22. Windows
  23. 23. Windows
  24. 24. Windows
  25. 25. Windows
  26. 26. Windows
  27. 27. Windows
  28. 28. Windows
  29. 29. OSX
  30. 30. OSX
  31. 31. OSX
  32. 32. OSX
  33. 33. OSX
  34. 34. OSX
  35. 35. KTHXBYE
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