Nokia 5800 User Guide - Page 99

Certificate management, Important

Page 99 highlights

service provider. If you forget the lock code, contact a Nokia Care point or your service provider. ● Lock code - The lock code is used to unlock the device. To avoid unauthorised use of your device, change the lock code. The preset code is 12345. The new code can be 4-255 characters long. Alphanumeric characters and both uppercase and lowercase characters can be used. The device notifies you if the lock code is not properly formatted. Keep the new code secret and separate from your device. ● Phone autolock period - To avoid unauthorised use, you can set a time-out after which the device automatically locks. A locked device cannot be used until the correct lock code is entered. To turn off autolock, select None. ● Lock if SIM card changed - Set the device to ask for the lock code when an unknown SIM card is inserted into your device. The device maintains a list of SIM cards that are recognised as the owner's cards. ● Remote phone locking - Enable or disable remote lock. ● Closed user group - Specify a group of people to whom you can call and who can call you (network service). ● Confirm SIM services - Set the device to display confirmation messages when you are using a SIM card service (network service). Certificate management Select Menu > Settings and Phone > Phone mgmt. > Security settings > Certificate management. Settings 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. Select from the following: ● Authority certificates - View and edit authority certificates. ● Trusted site certificates - View and edit trusted site certificates. ● Personal certificates - View and edit personal certificates. ● Phone certificates - View and edit device certificates. Digital certificates do not guarantee safety; they are used to verify the origin of software. 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. © 2009 Nokia. All rights reserved. 99

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service provider. If you forget the lock code, contact a
Nokia Care point or your service provider.
Lock code
— The lock code is used to unlock the
device. To avoid unauthorised use of your device,
change the lock code. The preset code is 12345. The
new code can be 4-255 characters long. Alphanumeric
characters and both uppercase and lowercase
characters can be used. The device notifies you if the
lock code is not properly formatted. Keep the new code
secret and separate from your device.
Phone autolock period
— To avoid unauthorised use,
you can set a time-out after which the device
automatically locks. A locked device cannot be used
until the correct lock code is entered. To turn off
autolock, select
None
.
Lock if SIM card changed
— Set the device to ask for
the lock code when an unknown SIM card is inserted
into your device. The device maintains a list of SIM
cards that are recognised as the owner’s cards.
Remote phone locking
— Enable or disable remote
lock.
Closed user group
— Specify a group of people to
whom you can call and who can call you (network
service).
Confirm SIM services
— Set the device to display
confirmation messages when you are using a SIM card
service (network service).
Certificate management
Select
Menu
>
Settings
and
Phone
>
Phone mgmt.
>
Security settings
>
Certificate management
.
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.
Select from the following:
Authority certificates
— View and edit authority
certificates.
Trusted site certificates
— View and edit trusted site
certificates.
Personal certificates
— View and edit personal
certificates.
Phone certificates
— View and edit device
certificates.
Digital certificates do not guarantee safety; they are used
to verify the origin of software.
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.
Settings
© 2009 Nokia. All rights reserved.
99