anchor.diff:          User ${torUser}
         ''
         + optionalString cfg.client.enable  ''
  -        SOCKSPort ${cfg.client.socksListenAddress}
  +        SOCKSPort ${cfg.client.socksListenAddress} IsolateDestAddr
  +	SOCKSPort ${cfg.client.socksListenAddressFaster}
           ${opt "SocksPolicy" cfg.client.socksPolicy}
         ''
         + optionalString cfg.relay.enable ''
  
positive.code:         # Generally, this file goes in /etc/privoxy/config
          #
          # Tor listens as a SOCKS4a proxy here:
          forward-socks4a / ${cfg.client.socksListenAddress} .
          confdir ${privoxy}/etc
          logdir ${privoxyDir}
          # actionsfile standard  # Internal purpose, recommended
  
negative.code:           description = ''
              Bind to this address to listen for connections from Socks-speaking
              applications.
            '';
          };
  
  	socksListenAddressFaster = mkOption {
            default = "127.0.0.1:9063";
  	  description = ''
              Same as socksListenAddress but uses weaker circuit isolation to provide
              performance suitable for a web browser.
            '';
          };
  
  