What happens to the service request received by TCP Wrappers if the hosts.allow and hosts.deny files do not permit connection?

What happens to the service request received by TCP Wrappers if the hosts.allow and hosts.deny files do not permit connection?

• Drop the packet and log a message
• Ignore the packet and continue with the next request
• Recheck the files for connection 2 more times
• Forward the request to the requested service and log a warning