<Files app_a.php> AuthUserFile .htpasswd AuthType Basic AuthName "Web access" Require valid-user </Files> <Files app_b.php> AuthUserFile .htpasswd AuthType Basic AuthName "Web access" Require valid-user </Files>
htpasswd用パス作成ツール
http://phpspot.net/php/pghtpasswd%E7%94%A8%E3%83%91%E3%82%B9%E4%BD%9C%E6%88%90%E3%83%84%E3%83%BC%E3%83%AB.html