* Fixes#5379 - Better handling for wrong SNI.
Reworked the SNI logic.
Added support for IP addresses in the SAN extension of certificates in the X509 class.
Fixed keystores to have CN=localhost and SAN with ip=127.0.0.1 and ip=[::1].
Fixed tests that were not using the correct Host header.
Signed-off-by: Simone Bordet <simone.bordet@gmail.com>