NETGEAR FVM318 Reference Manual page 80

Reference Manual for the Model FVM318 Cable/DSL ProSafe Wireless VPN Security Firewall
The SPI should be a string of hexadecimal [0-9,A-F] characters, and should not be used in any
other Security Association.
Tip: For simplicity or troubleshooting, the Incoming and Outgoing SPI can be identical.
For Encryption Protocol, select one:
4.
Null - Fastest, but no security.
a.
DES - Faster but less secure than 3DES.
b.
3DES - (Triple DES) Most secure.
c.
Enter a hexadecimal Encryption Key
5.
— For DES, enter 16 hexadecimal [0-9,A-F] characters.
— For 3DES, enter 48 hexadecimal [0-9,A-F] characters.
The encryption key must match exactly the key used by the remote router or host.
Select the Authentication Protocol
6.
— MD5 (default) - 128 bits, faster but less secure.
— SHA-1 - 160 bits, slower but more secure.
Enter 32 hexadecimal characters for the Authentication Key
7.
The authentication key must match exactly the key used by the remote router or host.
Click the NETBIOS Enable check box to allow NETBIOS over the VPN tunnel.
8.
Click Apply to enter the SA into the table.
9.
Virtual Private Networking 4-25