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Disallow: /phpbb/viewforum.php 
Disallow: /phpbb/index.php? 
Disallow: /phpbb/posting.php 
Disallow: /phpbb/groupcp.php 
Disallow: /phpbb/search.php 
Disallow: /phpbb/login.php 
Disallow: /phpbb/privmsg.php 
Disallow: /phpbb/post