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FortiGate IPSec VPN User Guide - FirewallShop.com

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Specify the manual keys for creating a tunnel<br />

Manual-key configurations<br />

Specify the manual keys for creating a tunnel<br />

Specify the manual keys for creating a tunnel as follows:<br />

1 Go to <strong>VPN</strong> > IPSEC > Manual Key and select Create New.<br />

2 Include appropriate entries as follows:<br />

Name<br />

Local SPI<br />

Remote SPI<br />

Remote Gateway<br />

Local Interface<br />

Encryption<br />

Algorithm<br />

Encryption Key<br />

Type a name for the <strong>VPN</strong> tunnel.<br />

Type a hexadecimal number (up to 8 characters, 0-9, a-f) that<br />

represents the SA that handles outbound traffic on the local<br />

<strong>FortiGate</strong> unit. The valid range is from 0x100 to 0xffffffff. This<br />

value must match the Remote SPI value in the manual key<br />

configuration at the remote peer.<br />

Type a hexadecimal number (up to 8 characters, 0-9, a-f) that<br />

represents the SA that handles inbound traffic on the local <strong>FortiGate</strong><br />

unit. The valid range is from 0x100 to 0xffffffff. This value must<br />

match the Local SPI value in the manual key configuration at the<br />

remote peer.<br />

Type the IP address of the public interface to the remote peer. The<br />

address identifies the recipient of ESP datagrams.<br />

Select the name of the physical, aggregate, or VLAN interface to<br />

which the <strong>IPSec</strong> tunnel will be bound. The <strong>FortiGate</strong> unit obtains the<br />

IP address of the interface from System > Network > Interface<br />

settings. This is available in NAT/Route mode only.<br />

Select one of the following symmetric-key encryption algorithms:<br />

• DES-Digital Encryption Standard, a 64-bit block algorithm that<br />

uses a 56-bit key.<br />

• 3DES-Triple-DES, in which plain text is encrypted three times by<br />

three keys.<br />

• AES128-A 128-bit block algorithm that uses a 128-bit key.<br />

• AES192-A 128-bit block algorithm that uses a 192-bit key.<br />

• AES256-A 128-bit block algorithm that uses a 256-bit key.<br />

If you selected:<br />

• DES, type a 16-character hexadecimal number (0-9, a-f).<br />

• 3DES, type a 48-character hexadecimal number (0-9, a-f)<br />

separated into three segments of 16 characters.<br />

• AES128, type a 32-character hexadecimal number (0-9, a-f)<br />

separated into two segments of 16 characters.<br />

• AES192, type a 48-character hexadecimal number (0-9, a-f)<br />

separated into three segments of 16 characters.<br />

• AES256, type a 64-character hexadecimal number (0-9, a-f)<br />

separated into four segments of 16 characters.<br />

<strong>FortiGate</strong> <strong>IPSec</strong> <strong>VPN</strong> Version 3.0 <strong>User</strong> <strong>Guide</strong><br />

112 01-30005-0065-20070716

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