Nokia Luna User Manual

Also see for 8600 - Luna Cell Phone 128 MB: Specification sheet User guide User guide Service manual

Contents

Nokia Luna User Manual Manual pdf 76 page image

43■ Cache memoryA cache is a memory location that is used to store data temporarily. If you have tried to accessor have accessed confidential information requiring passwords, empty the cache after eachuse. The information or services you have accessed is stored in the cache.To empty the cache while browsing, select Options > Other options > Clear the cache; in thestandby mode, select Menu > Web > Clear the cache.■ Browser securitySecurity features may be required for some services, such as online banking or shopping. Forsuch connections you need security certificates and possibly a security module, which maybe available on your SIM card. For more information, contact your service provider.Security moduleThe security module improves security services for applications requiring a browser connection,and allows you to use a digital signature. The security module may contain certificates as wellas private and public keys. The certificates are saved in the security module by the service provider.To view or change the security module settings, select Menu > Settings > Security >Security module settings.CertificatesImportant: Even if the use of certificates makes the risks involved in remote connectionsand software installation considerably smaller, they must be used correctly in orderto benefit from increased security. The existence of a certificate does not offer anyprotection by itself; the certificate manager must contain correct, authentic, ortrusted certificates for increased security to be available. Certificates have a restrictedlifetime. If Expired certificate or Certificate not valid yet is shown even if the certificateshould 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 trustthe owner of the certificate and that the certificate really belongs to the listed owner.There are three kinds of certificates: server certificates, authority certificates, and usercertificates. You may receive these certificates from your service provider. Authority certificatesand user certificates may also be saved in the security module by the service provider.To view the list of the authority or user certificates downloaded into your phone, select Menu >Settings > Security > Authority certificates or User certificates.is displayed during a connection, if the data transmission between the phone and thecontent server is encrypted.The security icon does not indicate that the data transmission between the gateway and thecontent server (or place where the requested resource is stored) is secure. The service providersecures the data transmission between the gateway and the content server.