https://nginx.org/en/docs/stream/ngx_stream_ssl_preread_module.html
Module ngx_stream_ssl_preread_module
modulengxstreamsslpreread
https://mailman.nginx.org/pipermail/nginx-devel/2024-January/VJ63A7J6CSJKQNRFLP3H5LBSIY2YU3GJ.html
[PATCH 1 of 3] Stream: socket peek in preread phase
patchstreamsocketpeekpreread
https://mailman.nginx.org/pipermail/nginx-devel/2024-January/MS2IO3KI35VPKHT5WHNO3QPZOJ5UXPY3.html
[PATCH 1 of 3] Stream: socket peek in preread phase
patchstreamsocketpeekpreread
https://mailman.nginx.org/pipermail/nginx-devel/2016-September/008792.html
[nginx] Stream ssl_preread: removed internal macro.
nginxstreamsslprereadremoved