DonDaniello's is just great, when buying DonDaniello's host you get a small security which allows ~ flood, when that have passed your server is down. For 100% protection you need to pay out about 100 euro each month, thats a bit expensive but it definitely works good. The good ddos protections costs about 60 - 100 euro each and every month and its really expensive to just keep an otserv alive. Any free software is just shit and may work for a single kid with a low broadband speed but thats all.
@Thread
This was the best night humor thread i have seen for a semi pro scripter/hacker.