Proxy IP and Anonymous Types
IPv4: Only IPv4 will connect
IPv6: Only IPv6 will connect
IPv4 first then IPv6: IPv4 will connect first and then IPv6 will connect, or they will both connect if an IPv4 and IPv6 connection is available
IPv6 first then IPv4: IPv6 will connect first and then IPv4 will connect, or they will both connect if an IPv6 and IPv4 connection is available
Fully Anonymous
Anonymous with a fake IP for X-Forwarded-For
Transparent, not anonymous