Substitutions in server context that make use of a backreferences or variables as the primary section of your substitution are affected. /var/log/apache2/obtain.log: By default, every ask for for your Internet server is recorded In this particular log file Except Apache is configured to try and do in any other case. https://apache-web-server-support22110.wikilentillas.com/808274/the_2_minute_rule_for_apache_support