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Manual Chapter: Configuring Rewrite Profiles for Portal Access
Manual Chapter
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About rewrite profiles

A rewrite profile defines client caching settings for a virtual server. You can configure a rewrite profile and select the rewrite profile when you configure the virtual server for a portal access policy. Alternatively, you can use the default rewrite profile, rewrite.

A rewrite profile provides four options for client caching. When a portal access resource item's Client Cache setting is set to Default, the system uses the caching option configured in the rewrite profile. If the Client Cache option is configured for any other setting, the portal access resource item configuration overwrites the setting in the rewrite profile. These options are available in the rewrite profile.

Client Cache setting Description
CSS and JavaScript Caches CSS and JavaScript. This is the default rewrite caching configuration, and provides a balance between performance and security.
CSS, Images and JavaScript Caches CSS, images, and JavaScript. This provides faster client performance but is slightly less secure because of cached images in the client browser cache.
No Cache Caches nothing. This provides the slowest client performance and is the most secure.
Cache All Uses the unmodified cache headers from the backend server.

Creating a rewrite profile

Create a rewrite profile to specify rewriting of links in the virtual server definition.
  1. Click Access Policy > Portal Access > Rewrite Profiles . The Rewrite Profile List screen opens.
  2. Click Create. The New Profile screen opens.
  3. In the Name field, type a name for the rewrite profile.
  4. (Optional) From the Parent Profile list, select a parent profile. The new rewrite profile inherits the Client Caching Type setting from the parent profile.
  5. (Optional) Above the Settings area, select the Custom check box to change the Client Caching Type or Split Tunneling setting.
  6. From the Client Caching Type list, select the caching option.
  7. To enable split tunneling for portal access connections, select the Split Tunneling check box. Split tunneling provides two options to access your web page: Rewrite and Bypass. If you enable split tunneling, Access Policy Manager presents only web pages that satisfy one of these filters. Others are blocked (although a blocked public site may still be available outside the webtop). If you do not use split tunneling, Access Policy Manager processes all portal access URLs through the rewriting engine. You can specify a URL pattern using the following syntax: scheme: //host[:port]/path. You can also use wildcards such as the asterisk ( * ) to denote any sequence of characters and the question mark ( ? ) for any single character. Access Policy Manager rewrites links in all pages specified for Rewrite.
    • Rewrite - Rewrites URLs. When you use this option, Access Policy Manager controls the redirection of the URL. Use this option to access URLs inside the network. Type a URL match pattern for the sites where you need to create the reverse-proxy and click the Add to Rewrite List button.
    • Bypass - Directly accesses the URL and leaves the URL unmodified. Use this option to speed up serving public sites. Type a URL match pattern for URLs to be accessed directly, bypassing the rewrite engine, and click the Add to Bypass List button.
  8. Click Finished.
The rewrite profile appears in the Rewrite Profiles list.
To use portal access rewriting, you must next assign the rewrite profile to the virtual server that is also assigned the access profile for portal access.
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