User-agent: Googlebot
Disallow: /forum/posting.php
Disallow: /forum/admin
Disallow: /forum/privmsg.php
Disallow: /forum/search.php 
Disallow: /forum/login.php
Disallow: /forum/memberlist.php
Disallow: /forum/images
Disallow: /forum/includes
Disallow: /forum/profile.php