Dell C7765DN Manuel complémentaire - Page 8

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• If the machine is on the internal network that connects to external networks,

configure the network properly to block any unauthorized external access.

• Set passcode and encryption key according to the following rules.

- Do not use an easily guessable passcode.

- A passcode needs to contain both numeric and alphabetic characters.

• Administrators need to set the account policies on the remote authentication

server as follows.

- Set password policy to 9 or more characters.

- Set account lockout policy to 5 times.

• Users need to set a user ID and a passcode in [Accounting Configuration] via the

printer driver.

• For secure operation, all of the remote trusted IT products that communicate with

the machine must implement the communication protocol in accordance with

industry standard practice with respect to RFC/other standard compliance (SSL/

TLS, IPSec, SNMP v3, S/MIME) and must work as advertised.

SSL/TLS

For the SSL client (Web browser) and the SSL server that communicate with the

machine, select a data encryption suite from the following:

• SSL_RSA_WITH_RC4_128_SHA

• SSL_RSA_WITH_3DES_EDE_CBC_SHA

• TLS_RSA_WITH_AES_128_CBC_SHA

• TLS_RSA_WITH_AES_256_CBC_SHA

• TLS_RSA_WITH_AES_128_CBC_SHA256

• TLS_RSA_WITH_AES_256_CBC_SHA256

(The recommended browser is Microsoft

S/MIME

For the machine and E-mail clients, select an Encryption Method/Message Digest

Algorithm from the following:

• 3Key Triple-DES/168bit, AES/128bit, AES/192bit, AES/256bit

• SHA1, SHA256

IPSec

For the IPSec host that communicates with the machine, select an Encryption

Method/ Message Digest Algorithm from the following:

• AES(128bit)/SHA1

• 3Key Triple-DES(168bit)/SHA1

SNMP v3

The encryption method of SNMPv3 is DES/56bit or AES 128bit. Set [Message Digest

Algorithm] to [SHA1].

Internet Explorer

6/7/8/9)