Manage farm-level crawl settings in SharePoint Server
Summary: Configure certain crawl settings at the farm level in SharePoint Server.
You can perform the following procedures to configure certain crawl settings at the farm level:
Change how long the SharePoint Server search crawler will wait for a connection to a content repository or for a response to a connection attempt.
Specify whether a SharePoint Server crawler will crawl a site if there is a problem with the site's Secure Sockets Layer (SSL) certificate.
Specify a proxy server to send requests to crawl content or to query federated content repositories.