Oaky, I did a rpm -U --force ari-mitel-acid-1.0-11.noarch.rpm
Now when going to the web path, I get
Warning: Access denied for user: 'root@localhost' (Using password: YES) in /opt/administration/acid/adodb/drivers/adodb-mysql.inc.php on line 115
Error (p)connecting to DB : snort_log@localhost
Check the DB connection variables in acid_conf.php