This reminds me of the DDoS service that was using adverts on various ad networks to abuse firefox’s ftp:// url support in exactly the same manner, because ftp

This reminds me of the DDoS service that was using adverts on various ad networks to abuse firefox’s ftp:// url support in exactly the same manner, because ftp protocol didn’t have any limitations, so there were 65k connections spawned simultaneously per client/bot.