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Kerberos Authentication Encryption Setting

You can specify encrypted transmission between the machine and the key distribution center (KDC) server when Kerberos authentication is enabled.

Using Kerberos authentication with Windows or LDAP authentication, LDAP search, etc., ensures safe communication.

The supported encryption algorithm differs depending on the type of KDC server. Select the algorithm that suits your environment.

KDC server

Supported encryption algorithms

Windows Server 2003 Active Directory

  • RC4-HMAC (ARCFOUR-HMAC-MD5)

  • DES-CBC-MD5

Windows Server 2008

  • AES256-CTS-HMAC-SHA1-96

  • AES128-CTS-HMAC-SHA1-96

  • RC4-HMAC (ARCFOUR-HMAC-MD5)

  • DES-CBC-MD5

Windows Server 2008 R2/2012/2012 R2

  • AES256-CTS-HMAC-SHA1-96

  • AES128-CTS-HMAC-SHA1-96

  • RC4-HMAC (ARCFOUR-HMAC-MD5)

  • DES-CBC-MD5*

Heimdal

  • AES256-CTS-HMAC-SHA1-96

  • AES128-CTS-HMAC-SHA1-96

  • DES3-CBC-SHA1

  • RC4-HMAC (ARCFOUR-HMAC-MD5)

  • DES-CBC-MD5

* To use Kerberos authentication, enable it in the operating system settings.

1Log in as the machine administrator from Web Image Monitor.

2Point to [Device Management], and then click [Configuration].

3Click [Kerberos Authentication] under "Device Settings".

4Select the encryption algorithm you want to enable.

Be sure to select one or more encryption algorithm.

5Click [OK].

6Log out.

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