Setting The Ssl/Tls Encryption Mode - Ricoh SP 4510DN User Manual

5. Enhanced Network Security
• If a certificate issued by a certificate authority is installed in the printer, confirm the certificate store
location with the certificate authority.
• To change the host name or IP address in [Common Name] of the device certificate when using the
operating system's standard IPP port under Windows Vista/7/8/8.1 or Windows Server
2008/2008 R2/2012/2012 R2, delete any previously configured printer beforehand and re-
install it after changing [Common Name]. Also, to change the user authentication settings (login
user name and password), delete any previously configured printer beforehand and re-install it
after changing the user authentication settings.

Setting the SSL/TLS Encryption Mode

By specifying the SSL/TLS encrypted communication mode, you can change the security level.
Encrypted communication mode
Using the encrypted communication mode, you can specify encrypted communication.
Encrypted communication mode
Ciphertext Only
Ciphertext Priority
Ciphertext/Cleartext
After installing the device certificate, specify the SSL/TLS encrypted communication mode. By making
this setting, you can change the security level.
1. Log in as the network administrator from the printer's control panel.
2. Select [Host Interface]
3. Select [Network]
4. Select [Permit SSL/TLS Comm.] Press [OK]
5. Select the encrypted communication mode.
Select [Ciphertext Only], [Ciphertext Priority], or [Ciphertext/Cleartext] as the encrypted
communication mode.
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Press [OK]
Press [OK]
Description
Allows encrypted communication only.
If encryption is not possible, the printer does
not communicate.
Performs encrypted communication if
encryption is possible.
If encryption is not possible, the printer
communicates without it.
Communicates with or without encryption,
according to the setting.