# Block them if certain keywords are in the referring URL

SetEnvIfNoCase Referer ".*(adult|al4a|dalin|amateurmatch|ballaire|beast|bestsite|betting|blackjack|black|chiki|craps|bukakke|credit|.cn|puff|casino|cz-|czcn|czpcsj|drugs|dyndns|epraha|equity|eroti|ficken|finance|freecq|gambling|gay|glwb|golove|jack|jewel|jewelry|holdem|hold-em|livecam|loan|machnacht|money|payday|pharmacy|phentermine|pills|plasticmachinery|poker|porn|roulette|roundandbrown|sex|sina|slot|stripper|surprise|texas|titti|valium|vegas|prakash|viagra|welivetogether|wins).*" BadReferrer

# Exclude my domain form the above
SetEnvIfNoCase Referer ".*(basicthinking).*" !BadReferrer
order deny,allow
deny from env=BadReferrer