Virtual Private Networking Using IPSec and L2TP Connections
255
NETGEAR ProSAFE VPN Firewall FVS318G v2
Key-Out The encryption key for the outbound policy. The length of the key depends on
the selected encryption algorithm:
• 3DES. Enter 24 characters.
• None. Key does not apply.
• DES. Enter 8 characters.
• AES-128. Ente
r 16 characters.
• AES-192. Ente
r 24 characters.
• AES-256. Enter 32 characters.
SPI-Outgoing The security parameter i
ndex (SPI) for the outbound policy. Enter a hexadecimal
value between three and eight characters (for example, 0x1234).
Integrity Algorithm From the list, select the algorithm to be used in the VPN header for the
authentication process:
• SHA-1.
H
ash algorithm that produces a 160-bit digest. This is the default
setting.
• MD5. Hash algorithm that produces a 128-bit digest.
Ke
y-In The integrity key for the inbound policy. The length of the key depends on the
selected integrity algorithm:
• MD5. Enter 16 characters.
• SHA-1. Enter
20 characters.
Key-Out The integrity key for the outbound policy. The length of the key depends on the
selected integrity algorithm:
• MD5. Enter 16 characters.
• SHA-1. Enter
20 characters.
Auto Policy Parameters
Note: These fields apply only when you select Auto Policy as the policy type.
SA Lifetime The lifetime of the security association (SA) is the period or the amount of
transmitted data after which the SA becomes invalid and must be renegotiated.
From the list, select how the SA lifetime is specified:
• Seco
nds.
In the SA Lifetime field, enter a period in seconds. The minimum
value is 300 seconds. The default setting is 3600 seconds.
• KBytes. In
the SA Lifetime field, enter a number of kilobytes. The minimum
value is 1920000 KB.
Encryption Algorithm From the list, select
the algorithm to negotiate the security association (SA):
• 3DES. Triple DES. This is the default algorithm.
• None. No encryption algorithm.
• DES. Data Encryption Standard (DES).
• AES-128. Advanced
Encryption Standard (AES) with a 128-bit key size.
• AES-192. AES
with a 192-bit key size.
• AES-256. AES
with a 256-bit key size.
Table 53. Add New VPN Policy screen settings for IPv4 and IPv6 (continued)
Setting Description
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