How browsers know which TLS handshake to use (1.2 vs. 1.3)
TLS 1.3 has a bit different handshake messages than 1.2 (and older) had. The client is supposed to send DH parameters directly in the first Client Hello message. How do browsers know if that’s what they should do? What if the server suppor… Continue reading How browsers know which TLS handshake to use (1.2 vs. 1.3)