Netgear 54 Mbps Wireless ADSL Firewall DG834G User Manual Page 138

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Wireless ADSL2+ Modem Router DG834G User Manual
6-44 Virtual Private Networking
v1.0, May 2008
Remote LAN
The remote VPN
endpoint must have
these IP addresses
entered as its Local
addresses.
IP Address Single PC - no Subnet. Select this option if there is no LAN
(only a single PC) at the remote endpoint. If this option is
selected, no additional data is required. The typical application
is a PC running the VPN client at the remote end.
Single/Start IP
Address
Enter an IP address that is on the remote LAN. You can use
this setting when you want to access a server on the remote
LAN.
For a range of addresses, enter the starting IP address. This
must be an address range used on the remote LAN.
Any. Any outgoing traffic from the Local IP computers will
trigger an attempted VPN connection to the remote VPN
endpoint. Please be sure you want this option before
selecting it.
Finish IP
Address
Enter the finish IP address for a range of addresses. This
must be an address range used on the remote LAN.
Subnet Mask Enter the network mask.
ESP Configuration
ESP (Encapsulating
Security Payload)
provides security for the
payload (data) sent
through the VPN tunnel.
SPI Enter the required Security Policy Indexes (SPIs). Each policy
must have unique SPIs. These settings must match the
remote VPN endpoint. The in setting here must match the out
setting on the remote VPN endpoint, and the out setting here
must match the in setting on the remote VPN endpoint.
Encryption Select an encryption algorithm, and enter the key in the field
provided. For 3DES, the keys should be 24 ASCII characters
and for DES, the keys should be 8 ASCII characters.
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.
Authentication Select the SHA-1 or MD5 authentication algorithm, and enter
the key in the field provided. For MD5, the keys should be 16
ASCII characters. For SHA-1, the keys should be 20 ASCII
characters.
MD5. 128 bits, faster but less secure.
SHA-1. (default)160 bits, slower but more secure.
Table 6-7. VPN Manual Policy Fields and Settings (continued)
Fields and Settings Description
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