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HdM Stuttgart Präsentationstag PPTP VPN WLAN Update

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Marc Seeger
Marc Seeger

Meine Projektvorstellung am HdM Medieninformatik Präsentationstag mail (at) marc-seeger.de

Tecnología
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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/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
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
Software-Setup
Poptop FreeRadius OpenLDAP
Probleme
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
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

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HdM Stuttgart Präsentationstag PPTP VPN WLAN Update

  • 1. WLAN/VPN Upgrade Marc Seeger MIB6 Projekt Sommersemester 08
  • 2. Was? Aufbau einer PPTP Infrastruktur mit Anbindung an das HdM LDAP über einen Radiusserver
  • 4.
  • 6. Motivation #1 Say bye to recep ion
  • 11. Einsatz auf Smartphones Symbian Windows Mobile
  • 12. 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
  • 13. 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
  • 15. Poptop FreeRadius OpenLDAP
  • 17. 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
  • 22. Daten • IP: 141.62.39.253 • User: Euer HdM Kürzel • Passwort: Euer HdM Passwort
  • 30. OSX
  • 31. OSX
  • 32. OSX
  • 33. OSX
  • 34. OSX
  • 35. OSX