you have to use
robots.txt to prevent access to unwanted files
at present your robots.txt file (
~) consists of a single rule.
you can add below content to it
User-Agent: *
Disallow: /forum/captcha.php
Disallow: /forum/editpost.php
Disallow: /forum/misc.php
Disallow: /forum/modcp.php
Disallow: /forum/moderation.php
Disallow: /forum/newreply.php
Disallow: /forum/newthread.php
Disallow: /forum/online.php
Disallow: /forum/printthread.php
Disallow: /forum/private.php
Disallow: /forum/ratethread.php
Disallow: /forum/report.php
Disallow: /forum/reputation.php
Disallow: /forum/sendthread.php
Disallow: /forum/task.php
Disallow: /forum/usercp.php
Disallow: /forum/usercp2.php
Disallow: /forum/calendar.php
Disallow: /forum/newpoints.php
Disallow: /forum/*action=emailuser*
Disallow: /forum/*action=nextnewest*
Disallow: /forum/*action=nextoldest*
Disallow: /forum/*action=emailuser*
Disallow: /forum/*year=*
Disallow: /forum/*action=weekview*
Disallow: /forum/*action=nextnewest*
Disallow: /forum/*action=nextoldest*
Disallow: /forum/*sort=*
Disallow: /forum/*order=*
Disallow: /forum/*mode=*
Allow: /