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The VPN terms
DES
The DES (Data Encryption Standard) is a kind of NIST W with 56 bytes preshared key.
3DES
The 3DES (Triple Data Encryption Standard) is more secure than DES with 168 bytes.
AES
The AES is the high standard of data encryption, and its standard is more strict than the DES. The AES
Key Size can divide into 128 bytes, 192 bytes and 256 bytes.
Setting
VPN IP of Client
Creates the SSL VPN between the client and the CS-2000 appliance by login authentication, VPN IP range,
encryption algorithm, Protocol, server port and connecting time. And set the end user can use the IP address
distribute by the DNS or WINS server, to access the internal resources through the NAT mode.
The SSL VPN IP range can not be the same as the segment of LAN (LAN, Multiple Subnet, DMZ), WAN
and PPTP server.
Internal Subnet of Server
To set the client user can access the internal subnet of server.
CS-2000 UTM Content Security Gateway User's Manual
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