21
Firmware Update
Click
System Configuration > Firmware Update
to enter the interface below:
This section displays current firmware version. To update the switch's firmware, click
Browse…
to locate and
select the latest firmware and click
Update
. The process takes 1-2 minutes to finish.
Note:
1.
Do not disconnect from power while upgrade is in process.
2.
If power supply is disconnected, please upgrade it again; if unable to enter the management interface, contact
maintenance personnel.
4.1.2 System Security
SSL Overview
Secure Sockets Layer (SSL) is a cryptographic protocol that is designed to provide communication security over
the Internet. It is widely applied in E-commerce and Internet banking areas.
SSL Security
Privacy: Adopting asymmetrical encryption technology and RSA (Rivest Shamir and Adleman), SSL uses key pair
to encrypt information.
Authentication: Authenticate the users and the servers based on the certificates to ensure the data are transmitted to
the correct users and servers. SSL server and clients obtain CA certificates via PKI (Public Key Infrastructure).
Integrality: Maintain the integrality of the data based on Message Authentication Code (MAC) to prevent data
being altered in the transmission. A MAC algorithm, sometimes called a keyed (cryptographic) hash function,
accepts as input a secret key and an arbitrary-length message to be authenticated, and outputs a MAC (sometimes
known as a tag). The MAC value protects both a message's data integrity as well as its authenticity, by allowing
verifiers (who also possess the secret key) to detect any changes to the message content.
Содержание G3224P
Страница 1: ......
