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Configurare VPN e Accesso remoto con Small Business Server 2003. 5 maggio 2005 - 10:30. Agenda. VPN Basics La protezione delle comunicazioni di rete Encryption overview VPN a confronto Client-to-LAN LAN-to-LAN VPN in dettaglio tunneling protocol authentication encryption
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5 maggio 2005 - 10:30
“Microsoft defines a virtual private network as the extension of a private network that encompasses links across shared or public networks like the Internet.”
Password-basedQuali problemi abbiamo con una comunicazione di rete che usa connettività pubblica come Internet?
una applicazione delle tecnologie di encryption
Encrypted IP Packet
No Header Compression
No Tunnel Authentication
Built-in PPP EncryptionVirtual Private Network Protocols
Internetwork Can Be IP, Frame Relay, X.25, or ATM Based
Uses IPSec Encryption
PPTP or L2TP
*PPTP: rfc 2637 - **L2TP: rfc 2661
PPTP IPSec Tunnel Mode
The client and server cannot negotiate using more secure validation
Connecting a Shiva LANRover and Windows 2000–based client or a Shiva client and a Windows 2000–based remote access server
You have clients that are not running Microsoft operating systems
You have clients running Windows NT version 4.0 and later or, Microsoft Windows 95 and later
You have dial-up clients running Windows 2000, or VPN clients running Windows NT 4.0 or Windows 98
Members of this group dial-in profile can use IPSec 56-bit Data Encryption Standard (DES) or MPPE 40-bit data encryption
Members of this group dial-in profile can use IPSec 56-bit DES or MPPE 56-bit data encryption
Members of this group dial-in profile can use IPSec Triple DES (3DES) or MPPE 128-bit data encryption
VPN setup & configuration
VPN server transfers
VPN server checks the
directory to authenticate
and authorize the caller
VPN client calls the
answers the callVPN Client-to-LAN
A VPN extends the capabilities of a private network to encompass links across shared or public networks, such as the Internet, in a manner that emulates a point-to-point link
SBS è (anche) unF i r e w a l l ! ! !
Posizioniamolo come tale nella rete
rete pubblica(es: 220.127.116.11/29)
rete pubblica (con NAT)(es: 192.168.0.0/24)
This wizard provides on-screen instructions for configuring your server for:
Both VPN and dial-up connections
After clicking Finish, the wizard:
Configures the server according to your selected settings
Creates the Client Connection Manager configuration file
Configures the remote access policy to allow members of the Mobile Users group to use remote access
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.