TLS Server Name Indication
Problem this snippet solves:
Extensions to TLS encryption protocols after TLS v1.0 have added support for passing the desired servername as part of the initial encryption negotiation. This function...
Updated Aug 28, 2025
Version 2.0Joel_Moses
Nimbostratus
DevCentral MVP Emeritus!Joel_Moses
Nimbostratus
DevCentral MVP Emeritus!Stanislas_Piro2
Cumulonimbus
Feb 15, 2018CLIENT_HELLO version is 0x301 in TLS 1.2 and will still be 0x301 in TLS 1.3.
Real tls version negotiation is in a new TLS extension in TLS 1.3