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Guide to Software Release 7.6

This document describes features that are new or changed since release 7.4.

Google Search Appliance release 7.6 updates are available for the G100, G500, GB-7007 and GB-9009. For a list of new, fixed, previous, and closed issues for software release 7.6, refer to the release notes. Both the software updates and the release notes are available at the Google Cloud Support site, https://google.secure.force.com (login required).

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About “Deprecated” features


Features marked as “Deprecated” will be removed in a future release. In release 7.6, “Deprecated” features are still supported.

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New and changed features


The following sections describe new and changed features in software release 7.6:

Customize Access-Control-Allow-Origin header in front end

Release 7.6 lets you specify the Access-Control-Allow-Origin header for a front end. After you set this header properly, it allows a different domain to send cross-origin HTTP requests to the GSA. This is useful for using JSON output results from the GSA with external web applications.

You define this header on the Search > Search Features > Front Ends > Output Format page, by configuring HTTP Response Access-Control-Allow-Origin Header for a specific front end.

Customize Content-Type header in front end

Release 7.6 lets you specify the Content-Type header in the HTTP response. Modifying this header does not affect the actual content type of the response. You need to use XSLT to transform the actual content type.

You define this header on the Search > Search Features > Front Ends > Output Format page, by configuring HTTP Response Content-Type Header for a specific front end.

Disable SSL certificate checking

In release 7.6, you have the option to stop SSL certificate checking from occurring when you create a new form authentication rule. This prevents issues related to imported CA certificates that can occur when creating forms authentication rules.

You can disable SSL certificate checking on the Administration > SSL Settings page, by unchecking Certificate checking.

For more information about configuring this feature, see Disabling Certificate Checking Before Creating a Forms Authentication Rule.

Display predefined date ranges in dynamic navigation

With release 7.6, you can configure predefined dynamic date ranges. These ranges are based on the current date, for example, this week or past month. You can also configure a manual date range by specifying a beginning and ending number of days.

This configuration is available when you add or edit a dynamic navigation attribute and click the Range Attribute checkbox. You will then see the Relative to Current Date checkbox.

For more information about configuring this feature, see the Search > Dynamic Navigation help page in the Admin Console. See also Configuring Dynamic Date Ranges.

Download private key

Release 7.6 allows you to download your search appliance private key file in PEM format.

You download the key file from the Administration > SSL Settings page, by using the Download private key button. This option is only available to "admin" user.

Security Note: Downloading the private key could compromise your network security.

Enable entity recognition for metadata

Release 7.6 allows you to use metadata content when configuring entity recognition. You can choose to get entities from metadata content when adding or updating simple entities on the Index > Entity Recognition page. From the application area drop-down list, select metadata.

For more information about configuring this feature, see the Index > Entity Recognition help page in the Admin Console. See also Enabling Entity Recognition for Metadata.

Group multiple metadata in dynamic navigation

In release 7.6, dynamic navigation is no longer case sensitive when matching synonyms to metadata names. This makes it possible to group multiple metadata attributes under a single display label in search results.

For example, if you define a synonyms file with AUTHOR, CREATOR, PUBLISHER, and you set up dynamic navigation to display these attributes under the Author label, the counts will include all documents that contain any of these synonyms, regardless of case.

For more information about configuring this feature, see Grouping Multiple Metadata under a Single Dynamic Navigation Attribute.

Improve mirroring performance

With release 7.6, you can modify the file transfer rate for search appliances in a mirroring configuration. You can use this parameter to improve performance if you have limited bandwidth or a large amount of data to transfer between the master search appliance and replica nodes.

You set the maximum transfer rate on the GSAn > Configuration page, using Maximum transfer rate for GSAn.

For more information about configuring this feature, see Setting Network Bandwidth for GSAn.

Increase maximum search results from internal OneBox provider

In release 7.6, you can increase the maximum number of search results that are returned from an internal provider to up to 10. You can set this value, from 1 to 10, when adding or editing a OneBox configuration. The default is 3.

You modify this value on the Content Sources > OneBox Modules > Edit page. Under the Provider section for the specified collection, select a new value from the Search results drop-down list.

For more information about configuring this feature, see Defining a OneBox Module in the Admin Console.

Index more types of password protected files

In Release 7.6, you can crawl and index more types of password-protected files in addition to the previously supported PDF. Supported file types now include Word (.doc and .docx), Excel (.xls and .xlsx), PowerPoint (.ppt and .pptx), RTF, and WML.

You configure the rules for these files on the Content Sources > Web Crawl > Secure Crawl > Crawler Access page, under the Crawling Password Protected Files section.

For more information about configuring this feature, see Configuring Crawl for Password Protected Files.

Manually create a forms authentication rule

Release 7.6 lets you manually create a Forms Authentication Rule in the Admin Console, instead of using the wizard. Because the wizard does not support some websites, for example websites using Javascript or iframe, you can now manually specify a list of actions to create a rule. You can also manually edit a rule after creating it with the wizard. Some websites require dynamic attributes and this feature allows you to specify that a particular attribute is dynamic.

For information about configuring this feature, see the Content Sources > Web Crawl > Secure Crawl > Forms Authentication help page in the Admin Console.

Override document encoding and language

Release 7.6 lets you override the content encoding and language the search appliance autodetects in documents and instead use the encoding and language from HTTP headers or HTTP metadata.

You configure this feature on the Content Sources > Web Crawl > HTTP headers page in the Admin Console, by using the Respect Content-Type and Content-Language HTTP headers or Respect encoding and language specified in HTML metatags checkboxes.

If you enable both parameters, metatags will override HTTP headers. This feature does not work with external metadata.

Known issue with Java applications connecting via TLS

Due to Java bugs 6956398 and 6521495, Java applications may fail to connect to a Google Search Appliance running release 7.6.

This issue only occurs if all of the following conditions are true:

  1. The Java application is running version 7 or below.
  2. The Java application is connecting to the Google Search Appliance via TLS using Diffie-Hellman key exchange.
  3. The x509 certificate installed on the Google Search Appliance has a public key larger than 1024 bits.

This issue may affect Google connectors, which submit feeds to the Google Search Appliance via HTTPS. Google recommends using Java 8 for applications that connect to the Google Search Appliance.

Deprecated features

In GSA release 7.6, GSA Unification is deprecated. It will be removed in a future release.

Removed features

Beginning with release 7.6, the following features are removed from the Google Search Appliance:

G Suite Integration

In GSA release 7.6, G Suite integration is removed.

On-Board file system crawling

In GSA release 7.6, on-board file system crawling (File System Gateway) is removed. If you have configured on-board file system crawling for your GSA, install and configure the Google Connector for File Systems 4.0.4 or later instead. For more information, see “Deploying the Connector for File Systems,” available from the Connector Documentation page.

On-Board database crawler

In GSA release 7.6, the on-board database crawler is removed. If you have configured on-board database crawling for your GSA, install and configure the Google Connector for Databases 4.0.4 or later instead. For more information, see “Deploying the Connector for Databases,” available from the Connector Documentation page.

On-Board Connector Manager and connectors

In GSA release 7.6, the on-board connector manager is removed. If you have configured on-board connectors for your GSA, install and configure an off-board Google Connector. For more information, see the documentation that is available from the Connector Documentation page.

Release 7.6 documentation

Google Search Appliance documentation is available from the GSA help center. Search appliance troubleshooting and deployment documentation, as well as copies of Admin Console help, are also available from the GSA help center.

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Supported browsers and third-party software


Google has certified the browsers and third-party products in the following table for use with software release 7.6.

Category Product Name and Version
Browsers Google Chrome (which automatically updates whenever it detects that a new version of the browser is available)
Microsoft Internet Explorer (IE) 8 and above in standard mode
Mozilla Firefox current and previous major releases
The Admin Console supports Safari 5.1 only; search supports Safari 5.1 and later
Network infrastructure HTTP 1.1
HTTPS
Network Time Protocol (NTP) servers 3.0 and higher
SSO
(Single sign-on)
Computer Associates SiteMinder 6.0, Policy Server and Web Agent
Oracle Access Manager 7.0.4 (formerly Oblix)
Cams by Cafesoft, version 3.0
Web servers Apache
Netscape Enterprise
Microsoft Internet Information Server
XSLT EXtensible Stylesheet Language Transformations: XSLT 2.0
XML Path Language: XPath 1.0

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