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The following entries are displayed on this screen:
Access Control Config
Control Mode: Select the contr
ol mode for users to log on to the Web
management page.
Disable
Disable the access control function.
IP-based: Select this option to limit the IP-
for login.
M AC-based: Select this option to limit the MAC address
users for login.
Port-based: Select this option to limit the ports for login.
IP Address & Mask These fields can be available for configuration only when IP-
mode is selected. Only the users within the IP-
are allowed for login.
M AC Add r e ss: The field can be available for configuration only when MAC-
mode is selected. Only the user with this MAC address
here are allowed for login.
Port: The field can be available for configuration only when Port-
mode is selected. Only the users c
onnected to these ports you set
here are allowed for login.
Session Config
Session Timeout:
If you do nothing with the Web management page within the
timeout time, the system will log out automatically. If you want to
reconfigure, please login again.
Access User Number
Number Control: Select Enable/Disable the Number Control function.
Admin Number:
Enter the maximum number of the users logging on to the Web
management page as Admin.
Guest Number: Enter the maximum number of the users logging on to the Web
management page as Guest.
4.4.2 SSL Config
SSL (Secure Sockets Layer), a security protocol, is to provide a secure connection for the
application layer protocol (e.g. HTTP) communication based on TCP. SSL is widely used to secure
the data transmission between the Web browser and servers. It is mainly applied through
ecommerce and online banking.
SSL mainly provides the following services:
1. Authenticate the users and the servers based on the certificates to ensure the data are
transmitted to the correct users and servers;
2. Encrypt the data transmission to prevent the data being intercepted;
3. Maintain the integrality of the data to prevent the data being altered in the transmission.
Adopting asymmetrical encryption technology, SSL uses key pair to encrypt/decrypt information. A
key pair refers to a public key (contained in the certificate) and its corresponding private key. By
