User guide

Chapter 3 – Using the Web Management Software
44 Multi-Tech Systems, Inc. MultiModem rCell User Guide
Add Manual Connection
Add a Manual Connection
Connection Name Enter a text name that will identify the connection for you.
Compression Check the compression checkbox to enable IPCOMP, the compression algorithm.
Authentication Method Select the authentication algorithms to be used for the respective security services.
Options are: MD5-96 and SHA1-96.
Authentication Key The VPN firewall could use either MD5-96 or SHA1-96 for authentication. For example,
MD5-96 could have a key of abcdefgh12345678.
Authentication
Protocol
Key Length
Accepted Characters
SHA1-96
Must be 20 characters
Alphanumeric characters
MD5-96
Must be 16 characters
Alphanumeric characters
Encryption Method Select the encryption method. Options include: 3DES, AES-128, AES-192, AES-256,
and NULL (no encryption).
Encryption Key The router can use any one of the methods specified in its encryption algorithm. For
example 3DES uses 24 alphanumeric characters (192 bits) as its encryption key.
Example: 1234567890abcdefabcdabcd
Encryption
Protocol
Key Length
Accepted Characters
Null
Must be 24 characters
Alphanumeric Characters
3DES
Must be 24 characters
Alphanumeric Characters
AES-128
Must be 16 characters
Alphanumeric Characters
AES-192
Must be 24 characters
Alphanumeric Characters
AES-256
Must be 32 characters
Alphanumeric Characters
SPI Base The Security Parameter Index identifies a manual connection. The SPI is a unique
identifier in the SA (Secure Association – a type of secure connection) that allows the
receiving computer to select the SA under which a packet will be processed. The SPI
Base is a number needed by the manual keying code. Enter any 3-digit hexadecimal
number, which is unique for a security association. It should be in the form 0xhex (0x100