Update

Updating the databases and application modules of Kaspersky Industrial CyberSecurity for Linux Nodes ensures up-to-date protection on your computer. New viruses and other types of malware appear worldwide on a daily basis. The application databases contain information about threats and ways of neutralizing them. To detect threats quickly, you are urged to regularly update the databases and application modules.

An update source is a resource that contains updates for Kaspersky Industrial CyberSecurity for Linux Nodes databases and application modules. Update sources can be FTP, HTTP, or HTTPS servers (such as Kaspersky Security Center and Kaspersky update servers), as well as local or network directories mounted by the user.

Update source settings for the Update task

Setting	Description
Database update source	You can select the update source: Kaspersky update servers, where database updates for Kaspersky applications are published (default value). Kaspersky Security Center Administration Server. Other sources on the local or global network – HTTP, HTTPS, or FTP servers or directories on local network servers.
Use Kaspersky update servers if other update sources are not available	The check box enables or disables usage Kaspersky update servers as the update source, if the selected update sources are not available. This check box is available if the Other sources on the local or global network or the Kaspersky Security Center Administration Server option is selected. The check box is selected by default.
Custom update sources	This table contains a list of custom sources of database updates. During the update process, the application accesses update sources in the order they appear in the table. The table contains the following columns: Source address – HTTP, HTTPS, or FTP servers or directories on local network servers. Status indicates whether the source is used in the task (In use or Not in use). You can change the status by selecting or clearing the Use this source check box in the Update source window that opens when you click the Edit button. This table is available if the Other sources on the local or global network option is selected. You can add, edit, delete, move up, or move down update sources in the table. Clicking the Move down button moves the selected item down in the table. This button is available if only one item is selected in the table. Clicking the Move up button moves the selected item up in the table. This button is available if only one item is selected in the table. Clicking the Delete button removes the selected item from the table. This button is available if at least one item is selected in the table. The selected element's settings are changed in a separate window. Clicking the Add button opens a window where you can specify the new item settings. The table is empty by default.

Setting

Description

Database update source

You can select the update source:

Kaspersky update servers, where database updates for Kaspersky applications are published (default value).
Kaspersky Security Center Administration Server.
Other sources on the local or global network – HTTP, HTTPS, or FTP servers or directories on local network servers.

Use Kaspersky update servers if other update sources are not available

The check box enables or disables usage Kaspersky update servers as the update source, if the selected update sources are not available.

This check box is available if the Other sources on the local or global network or the Kaspersky Security Center Administration Server option is selected.

The check box is selected by default.

Custom update sources

This table contains a list of custom sources of database updates. During the update process, the application accesses update sources in the order they appear in the table.

The table contains the following columns:

Source address – HTTP, HTTPS, or FTP servers or directories on local network servers.
Status indicates whether the source is used in the task (In use or Not in use). You can change the status by selecting or clearing the Use this source check box in the Update source window that opens when you click the Edit button.

This table is available if the Other sources on the local or global network option is selected.

You can add, edit, delete, move up, or move down update sources in the table.

Clicking the Move down button moves the selected item down in the table.

This button is available if only one item is selected in the table.

Clicking the Move up button moves the selected item up in the table.

This button is available if only one item is selected in the table.

Clicking the Delete button removes the selected item from the table.

This button is available if at least one item is selected in the table.

The selected element's settings are changed in a separate window.

Clicking the Add button opens a window where you can specify the new item settings.

The table is empty by default.

In the Settings section, you can specify the response timeout and the application update download settings.

Additional settings of the Update task

Setting	Description
Maximum time to wait for a response from the update source (sec)	The maximum period of time that the application waits for a response from the selected update source. When no response has arrived by this time, an event involving a loss of communication with the update source is logged in the task log. Available values: `0–120` seconds. If `0` is specified, the period of time that the application waits for a response from the selected source is unlimited. Default value: `10` seconds.
Application update download mode	In the drop-down list, you can select the application database update mode: Do not download update files. The application cannot be updated. Download only update files, but do not install them on user computers (default value). Download and install update files on user computers.

Setting

Description

Maximum time to wait for a response from the update source (sec)

The maximum period of time that the application waits for a response from the selected update source. When no response has arrived by this time, an event involving a loss of communication with the update source is logged in the task log.

Available values: 0–120 seconds. If 0 is specified, the period of time that the application waits for a response from the selected source is unlimited.

Default value: 10 seconds.

Application update download mode

In the drop-down list, you can select the application database update mode:

Do not download update files. The application cannot be updated.
Download only update files, but do not install them on user computers (default value).
Download and install update files on user computers.

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