On 2024/11/09 19:32, Jeremie Courreges-Anglas wrote:
> As discussed in the restaurant, the problem is that we do not support
> IPv4-mapped IPv6 addresses, on purpose, for security concerns.
> Frankly at this point my personal opinion is that it's harming us more
> than protecting us.  Anyway...

It's certainly a big problem in certain parts of the ports tree.
Java is particularly badly afffected, it assumes that if you want
to use v6 you can do v4-mapped.