Netgear DG834GUv5 Reference Manual - Page 115
VPN Tunnel Configuration, Table 8-2, Using Auto Policy to, Con VPN Tunnels
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DG834G Reference Manual • What method will you use to configure your VPN tunnels? - The VPN Wizard using VPNC defaults (see Table 8-2) - The typical automated Internet Key Exchange (IKE) setup (see "Using Auto Policy to Configure VPN Tunnels" on page 8-36) - A Manual Keying setup in which you must specify each phase of the connection (see "Using Manual Policy to Configure VPN Tunnels" on page 8-48)? Table 8-2. Parameters Recommended by the VPNC and Used in the VPN Wizard Parameter Factory Default Secure Association Main Mode Authentication Method Encryption Method Authentication Protocol Diffie-Hellman (DH) Group Key Life Pre-shared Key 3DES SHA-1 Group 2 (1024 bit) 8 hours IKE Life Time NETBIOS 1 hour Enabled • What level of IPSec VPN encryption will you use? - DES - The Data Encryption Standard (DES) processes input data that is 64 bits wide, encrypting these values using a 56 bit key. Faster but less secure than 3DES. - 3DES - (Triple DES) achieves a higher level of security by encrypting the data three times using DES with three different, unrelated keys. • What level of authentication will you use? - MDS: 128 bits, faster but less secure. - SHA-1: 160 bits, slower but more secure. VPN Tunnel Configuration There are two tunnel configurations and three ways to configure them: Virtual Private Networking 8-5 v3.0, September 2005