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Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter 72 Configuring Clientless SSL VPN
Customizing Clientless SSL VPN Pages
Information About Customization
The ASA uses customization objects to define the appearance of user screens. A customization object is
compiled from an XML file which contains XML tags for all the customizable screen items displayed to
remote users. The ASA software contains a customization template that you can export to a remote PC.
You can edit this template and import the template back into the ASA as a new customization object.
When you export a customization object, an XML file containing XML tags is created at the URL you
specify. The XML file created by the customization object named Template contains empty XML tags,
and provides the basis for creating new customization objects. This object cannot be changed or deleted
from cache memory but can be exported, edited, and imported back into the ASA as a new customization
object.
Customization Objects, Connection Profiles, and Group Policies
Initially, when a user first connects, the default customization object (named DfltCustomization)
identified in the connection profile (tunnel group) determines how the logon screen appears. If the
connection profile list is enabled, and the user selects a different group which has its own customization,
the screen changes to reflect the customization object for that new group.
After the remote user is authenticated, the screen appearance is determined by whether a customization
object that has been assigned to the group policy.
Exporting a Customization Template
When you export a customization object, an XML file is created at the URL you specify. The
customization template (named Template) contains empty XML tags and provides the basis for creating
new customization objects. This object cannot be changed or deleted from cache memory but can be
exported, edited, and imported back into the ASA as a new customization object.
Editing the Customization Template
This section shows the contents of the customization template and has convenient figures to help you
quickly choose the correct XML tag and make changes that affect the screens.
You can use a text editor or an XML editor to edit the XML file. The following example shows the XML
tags of the customization template. Some redundant tags have been removed for easier viewing:
Example:
<custom>
<localization>
<languages>en,ja,zh,ru,ua</languages>
<default-language>en</default-language>
</localization>
<auth-page>
<window>
<title-text l10n="yes"><![CDATA[SSL VPN Service]]></title-text>
</window>
<full-customization>
<mode>disable</mode>
<url></url>
</full-customization>
<language-selector>
<mode>disable</mode>
<title l10n="yes">Language:</title>