![]() ![]() Select Everything as the value of the Type field.The following steps will help you configure this: Click the Save configuration button at the bottom of the windowįor this to work, the everything invalidation type needs to be configured.Add a new header by setting Purge-Cache-Tags as the HEADER field value.Keep http the selected value of the Scheme` field.Keep BAN as the selected value of the Request Method field.Set the port number of your Varnish server in the Port field (defaults to 80). ![]() Set the hostname of your Varnish server in the Hostname field (defaults to localhost).Keep Tag as the selected value of the Type field.Select the Configure dropdown option next to the newly created HTTP Purger.Click the Add purger button to add the HTTP Purger.This can be done by following these steps: This will invalidate multiple pages at once.įor this to work, the Purge module needs to be configured. These tags are cached and can be matched by a ban expressions in Varnish’s ban() VCL function. Configuring tag-based cache invalidation #ĭrupal uses a Purge-Cache-Tags response header to register tags for every page. As content gets updated in Drupal, the cache invalidation mechanisms will make sure outdated content is removed from the cache automatically. Drupal recommands setting it to one year. However, the quickest way to install these modules is by using the following commands:ĭon’t hesitate to set the Time To Live very high. You can download these modules yourself, or install them from the /admin/modules panel. The Generic HTTP Purger module also has a Generic HTTP Tags Header submodule that needs to be enabled. The Purge module has the following set of submodules that also should be enabled, depending on your preferences: For Drupal to support Varnish, the following modules need to be installed: Install Drupal purging modules #ĭrupal has a collection of modules that can be used to invalidate the cache. These changes will only take effect once Nginx is restarted. Change the Nginx listening port on Red Hat Enterprise Linux.Change the Nginx listening port on CentOS.Change the Nginx listening port on Debian.Change the Nginx listening port on Ubuntu.Here’s how to change Nginx’s listening port for various Linux distributions: If you’re using Nginx, you’ll only have to replace listen 80 with listen 8080 in all virtual host files. These changes will only take effect once Apache is restarted. Change Apache’s listening port on Red Hat Enterprise Linux.Change Apache’s listening port on CentOS.Change Apache’s listening port on Debian.Change Apache’s listening port on Ubuntu.Here’s how to change Apache’s listening port for various Linux distributions: You will need to replace with in all virtual host files. The individual virtual hosts will also contain port information. If you’re using Apache as your web server, you need to replace Listen 80 with Listen 8080 in Apache’s main configuration file. Here’s a quick how-to for Apache and Nginx. We’ll use port 8080 as the new web server listening port.ĭepending on the type of web server you’re using, different configuration files need to be modified. This also means that your web server needs to be configured on another listening port. For Varnish caching to properly work, Varnish needs to listen on port 80. The web server that is hosting your Drupal CMS is most likely set up to handle incoming HTTP requests on port 80. Installing Varnish on Red Hat Enterprise Linux.In this tutorial we’re installing Varnish on the same server as the Drupal CMS.įor a detailed step-by-step Varnish installation guide, we’d like to refer you to one of the following dedicated tutorials: ![]()
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