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Server: Apache/2.4.29 (Ubuntu)
System: Linux elpuerto-web 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 x86_64
User: www-data (33)
PHP: 7.2.24-0ubuntu0.18.04.1
Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,
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File: /var/www/elpuerto/html/wp-content/plugins/really-simple-ssl/security/wordpress/disable-xmlrpc.php
<?php
defined( 'ABSPATH' ) or die( "you do not have access to this page!" );

/**
 * Disable XMLRPC when this integration is activated
 */

add_filter('xmlrpc_enabled', '__return_false');
/**
 * Remove html link
 */
remove_action( 'wp_head', 'rsd_link' );
/**
 * stop all requests to xmlrpc.php for RSD per XML-RPC:
 */
if ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST )
    exit;