Nokia 6800 User Manual

Also see for 6800: Guide d'utilisation User guide User guide User guide User guide

Contents

Nokia 6800 User Manual Manual pdf 101 page image

94 Copyright © Nokia 2003Disconnect from the Internet• To quit browsing and end the connection, select Options > Quit.When the Quit browsing? message appears, press Yes.OR• Press d. If GSM data is the selected data bearer, then press d twice.• SECURITYSecurity features are required for some WAP services, such as banking services orshopping on a WAP site. For such connections you need security certificates andpossibly a security module, which may be available on your SIM card.The security module can contain certificates as well as private and public keys. Thesecurity module provides security services for WAP- related applications and allowsyou to use a digital signature. The certificates are saved in the security module bythe service provider, or they can be downloaded from a WAP site. For more information,contact your service provider.Clear the cacheThe information or services you have accessed are stored in the cache of your phone.A cache is a buffer memory, which is used to store data temporarily. If you tried toaccess or have accessed confidential information requiring passwords (for example,your bank account), empty the cache of your phone after each use.1 Select Menu > Services. After a brief pause, a list of options appear in the display.ORIf browsing, press Options.2 Scroll to Clear the cache and press Select.About authority certificatesTo use some XHTML services, such as banking services, you need an authoritycertificate. Using the certificate can help you to improve the security ofconnections between your phone and an XHTML server.You can download the certificate from an XHTML page if the XHTML service supportsthe use of authority certificates. After the download, you can view the certificate,then save or delete it. If you save the certificate, it is added to the list of certificatesin the phone.Your phone alerts you if the identity of the XHTML server or XHTML gateway cannotbe verified or is not authentic.View the list of authority certificatesSelect Menu > Services > Settings > Security settings > Authority certificates >Certificate list. The list of authority certificates is displayed.