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# From: http://www.unitedforums.co.uk/vb/website-development-scripting/10926-how-block-wget.html
# Turn on mod_rewrite
RewriteEngine On

# Block undesirable requests in general
RewriteCond %{THE_REQUEST} ^GET\ http [NC,OR]

# Block undesirable requests specifically
RewriteCond %{REQUEST_URI} cs\.txt?$ [OR]

# Block undesirables by referrer
RewriteCond %{HTTP_REFERER} ^http://www\.ultraorganizer\.com [OR]

# Block undesirables by IP address
RewriteCond %{REMOTE_ADDR} ^194\.153\.113\.23 [OR]

# Block undesirables by user-agent
RewriteCond %{HTTP_USER_AGENT} ^bot [NC,OR]
RewriteCond %{HTTP_USER_AGENT} grub [NC,OR]
RewriteCond %{HTTP_USER_AGENT} holmes [NC,OR]
RewriteCond %{HTTP_USER_AGENT} naver [NC,OR]
RewriteCond %{HTTP_USER_AGENT} Nutch [NC,OR]
RewriteCond %{HTTP_USER_AGENT} Pete-Spider [NC,OR]
RewriteCond %{HTTP_USER_AGENT} SBIder [NC,OR]
RewriteCond %{HTTP_USER_AGENT} Seekbot [NC,OR]

# The last item in the list must not have an OR
RewriteCond %{HTTP_USER_AGENT} wget [NC]

# Give them all a 403 Forbidden
RewriteRule .* - [F]