In the production of USB installation disk CentOS8 with Rufus3.8, suggesting low Syslinux version, to download "ldlinux.sys" extension. When prompted to download:
“This system's SSL library is too old to be able to access this website.”
The investigation, because the system call winHTTP download components using TLS1.1, use TLS1.2 and above.
Solution windows10 system is as follows:
Start system automatically IE11, in the Internet Options - "Advanced" tab check TLS1.2 items. As shown below.
Download ldlinux.sys again, normal.