Brother HL-L8350CDWT - Manual (Page 114)

General Information
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IPSec
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IPsec (Internet Protocol Security) is a security protocol that uses an optional Internet Protocol function to
prevent manipulation and ensure the confidentiality of data transmitted as IP packets. IPsec encrypts data
carried over the network, such as print data sent from computers to a printer. Because the data is encrypted
at the network layer, applications that use a higher-level protocol use IPsec even if the user is not aware of
its use.
IPsec supports the following operations:
 IPsec transmissions
 IPsec settings
For more information about IPsec, see the Network User's Guide.