<?php
...
$sugar_config = array (
...
$sugar_config['trusted_hosts'] = ['^dev\.local$', '^localhost$'];
...Starting with version 8.4.2 there is a new security check to see if the host header of the request is a valid one. This check is performed at the start of every request to the backend.
This check uses a new entry trusted_hosts on public/legacy/config.php or public/legacy/config_override.php, where you can define an array of regex strings for the trusted hosts, like the following:
<?php
...
$sugar_config = array (
...
$sugar_config['trusted_hosts'] = ['^dev\.local$', '^localhost$'];
...If no trusted_hosts entry is defined on public/legacy/config.php or public/legacy/config_override.php, the system will:
Parse and use the site_url config as one of the entries.
Add an entry for localhost
Content is available under GNU Free Documentation License 1.3 or later unless otherwise noted.