Nokia 6110 Navigator User Guide - Page 75
Certificate management, View certificate details and check authenticity, Confirm SIM services
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you want to use another group (you need to know the group index number), select On. When calls are limited to closed user groups, calls may be possible to the official emergency number programmed into your device. Confirm SIM services (network service) - to set the device to display confirmation messages when you use a SIM card service Certificate management A list of authority certificates that have been stored in your device is displayed in Certificate management. To see a list of personal certificates if available, scroll right. Digital certificates should be used if you want to connect to an online bank or another site or remote server for actions that involve transferring confidential information. They should also be used if you want to reduce the risk of viruses or other malicious software and be sure of the authenticity of software when downloading and installing software. When security features that restrict calls are in use (such as call barring, closed user group, and fixed dialing), calls may be possible to the official emergency number programmed into your device. Important: Even if the use of certificates makes the risks involved in remote connections and software installation considerably smaller, they must be used correctly in order to benefit from increased security. The existence of a certificate does not offer any protection by itself; the certificate manager must contain correct, authentic, or trusted certificates for increased security to be available. Certificates have a restricted lifetime. If "Expired certificate" or "Certificate not valid yet" is shown even if the certificate should be valid, check that the current date and time in your device are correct. Before changing any certificate settings, you must make sure that you really trust the owner of the certificate and that the certificate really belongs to the listed owner. View certificate details and check authenticity You can only be sure of the correct identity of a server when the signature and the period of validity of a server certificate have been checked. The device notifies you if the identity of the server is not authentic or if you do not have the correct security certificate in your device. To check certificate details, scroll to a certificate, and select Options > Certificate details. While opening the certificate details, the device checks the validity of the certificate and one of the following notes may appear: 75