IPsec Settings
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The number of characters you can set differs depending on the setting you chose in Hash in Encapsulating
Security.
If the length of the specified authentication key is different from the selected hash algorithm, an error will
occur.
• MD5: 128 bits (16 bytes)
• SHA1: 160 bits (20 bytes)
• SHA256: 256 bits (32 bytes)
• SHA512: 512 bits (64 bytes)
When you specify the key in ASCII Code, enclose the characters in double quotation marks.
Code key (ESP)
Specify the key to use for encryption. Enter the In/Out values.
These settings are necessary when Custom is selected in Use Prefixed Template, Manual is
selected in IKE, and ESP is selected in Protocol in Encapsulating Security.
The number of characters you can set differs depending on the setting you chose in Encryption in
Encapsulating Security.
If the length of the specified code key is different from the selected encryption algorithm, an error will occur.
• DES: 64 bits (8 bytes)
• 3DES: 192 bits (24 bytes)
• AES-CBC 128: 128 bits (16 bytes)
• AES-CBC 256: 256 bits (32 bytes)
When you specify the key in ASCII Code, enclose the characters in double quotation marks.
SPI
These parameters are used to identify the security information. Generally, a host has multiple SAs
(Security Associations) for several types of IPsec communication. Therefore, it is necessary to identify
the applicable SA when an IPsec packet is received. The SPI parameter, which identifies the SA, is
included in the AH (Authentication Header) and ESP (Encapsulating Security Payload) header.
These settings are necessary when Custom is selected in Use Prefixed Template, and Manual is
selected in IKE.
Enter the In/Out values. (3-10 characters)
Submit
Click this button to register the settings.
When you change the settings of the currently used template, the IPsec setting screen for Web Based
Management will close and open again.
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