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  ProxyRequests On
  ProxyVia On

  # Configure mongrel_cluster 
  
          
    BalancerMember http://127.0.0.1:8000
    
    BalancerMember http://127.0.0.1:8001
    
    Allow from all 
  

  ProxyPassReverse /hub/ http://www.other_domain.com/