Netgear UTM5 User Manual download pdf (Page 248)

ProSecure Unified Threat Management (UTM) Appliance Reference Manual

7-36 Virtual Private Networking Using IPsec Connections

v1.0, January 2010

Traffic Selection

Local IP From the pull-down menu, select the address or addresses that are part of

the VPN tunnel on the UTM:

• Any. All PCs and devices on the network.

Note: You cannot select Any for both the UTM and the remote endpoint.

• Single. A single IP address on the network. Enter the IP address in the

Start IP Address field.

• Range. A range of IP addresses on the network. Enter the starting IP

address in the Start IP Address field and the ending IP address in the End

IP Address field.

• Subnet. A subnet on the network. Enter the starting IP address in the Start

IP Address field and the subnet mask in the Subnet Mask field.

Remote IP From the pull-down menu, select the address or addresses that are part of

the VPN tunnel on the remote endpoint. The menu choices are the same as

for the Local IP pull-down menu (see above).

Manual Policy Parameters

Note: These fields apply only when you select Manual Policy as the policy type. When you specify the

settings for the fields in this section, a security association (SA) is created.

SPI-Incoming The Security Parameters Index (SPI) for the inbound policy. Enter a

hexadecimal value between 3 and 8 characters (for example: 0x1234).

Encryption Algorithm From the pull-down menu, select one of the following five algorithms to

negotiate the security association (SA):

• DES. Data Encryption Standard (DES)

• 3DES. Triple DES. This is the default algorithm.

• AES-128. Advanced Encryption Standard (AES) with a 128-bits key size.

• AES-192. AES with a 192-bits key size.

• AES-256. AES with a 256-bits key size.

Key-In The encryption key for he inbound policy. The length of the key depends on

the selected encryption algorithm:

• DES: enter 8 characters.

• 3DES: enter 24 characters.

• AES-128: enter 16 characters.

• AES-192: enter 24 characters.

• AES-256: enter 32 characters.

Key-Out The encryption key for he outbound policy. The length of the key depends on

the selected encryption algorithm. The required key lengths are the same as

for the Key-In (se above).

SPI-Outgoing The Security Parameters Index (SPI) for the outbound policy. Enter a

hexadecimal value between 3 and 8 characters (for example: 0x1234).

Table 7-12. Add VPN Policy Settings (continued)

Item Description (or Subfield and Description)

1 2 ... 243 244 245 246 247 248 249 250 251 252 253 ... 483 484

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