Nokia 5250 - Connection security

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Connection security

If the security indicator ( ) is displayed during a connection, the data transmission

between the device and the internet gateway or server is encrypted.
The security icon does not indicate that the data transmission between the gateway

and the content server (where the data is stored) is secure. The service provider

secures the data transmission between the gateway and the content server.
Security certificates may be required for some services, such as banking services.

You are notified if the identity of the server is not authentic or if you do not have

the correct security certificate in your device. For more information, contact your

service provider.

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

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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.