Improving NGINX Performance with Kernel TLS and SSL_sendfile( )* Kernel version must be 5.10, not 4.14; see OSs That Do Not Support kTLS and the Amazon Linux 2 FAQ ** Inherits its kTLS support status from RHEL 8 as its upstream source *** See the FreeBSD commit log OSs That Do Not Support kTLS The following OSs do not support kTLS, for the indicated reason: Alpine Linux 3.11–3.14 – Kernel is built with the CONFIG_TLS=n option, which disables building kTLS as
