Nokia 3120 User Manual

Also see for CLASSIC 3120: Specification sheet Service manual User guide User guide User guide

Contents

Nokia 3120 User Manual Manual pdf 47 page image

U s i n g t h e m e n u38 Copyright © 2004 Nokia. All rights reserved.Clearing the cache memoryNote: The information orservices you have accessedare stored in the cache ofyour phone. A cache is abuffer memory, which isused to store datatemporarily. If you havetried to access or haveaccessed confidentialinformation requiringpasswords (for example,your bank account), emptythe cache of your phoneafter each use.Press Menu, and select Services, andClear the cache. While browsing,press Options, and select Otheroptions and Clear the cache.Authority certificatesFor using some services, such asbanking services, you need securitycertificates. Using the certificatescan help you improve the security ofconnections between your phoneand a gateway or server, if theConnection security is set to On.You can download authoritycertificate from a page, if the servicesupports the use of authoritycertificates. After the download, youcan view the certificate and thensave or delete it. Saved certificatesare added to the certificate list inthe phone.The phone indicates if the identity ofthe server or gateway cannot beverified, if the server or gatewaycertificate is not authentic or if youdo not have the correct authoritycertificate in your phone.Viewing the list of authoritycertificatesPress Menu, select Services,Settings, Security settings andAuthority certificates.See also Security info in ”Using thephone keys while browsing” onpage 35.Security indicatorIf the security indicator isdisplayed during a connection, thedata transmission between thephone and the gateway or server(identified by the IP address in theEdit active service settings) isencrypted.However, the security indicator doesnot indicate that the datatransmission between the gatewayand the content server (the locationwhere the requested resource isstored) is secure. It is up to theservice provider to secure the datatransmission between the gatewayand the content server.