I intentionally disable IPv6. It provides no advantage whatsoever (every user will be able to connect via IPv6) and it adds complexity and security risks, because you need separate firewall rules, dns records, etc for each stack.
In addition, rate limiting with IPv6 is much harder (because IPs aren't scarce), so you risk DoS or other kind of abuse.
In addition, rate limiting with IPv6 is much harder (because IPs aren't scarce), so you risk DoS or other kind of abuse.