In the modern security landscape, almost all web servers, APIs, and mail providers have completely deprecated these protocols due to vulnerabilities like POODLE and BEAST. They now mandate .
uses IdSSLOpenSSLHeaders;
Here is a minimal, safe configuration for Indy 9 when using OpenSSL 0.9.8 (legacy servers):
When you see the error:
Here is the only reliable methodology to get Indy 9 loading SSL on Windows 10/11.
The required OpenSSL files ( ssleay32.dll and libeay32.dll ) are missing from the application directory and the system path.
Utilize third-party component suites designed for legacy Delphi versions that wrap native Windows internet APIs. Delphi 7 Indy 9 Could Not Load Ssl Library
If you do not want to keep the DLLs in the same folder as the exe, you can tell Indy where they are at runtime:
Are you open to , or must you stay strictly on Indy 9 ?
Indy 9 cannot communicate with modern OpenSSL branches. It requires the legacy branch. Specifically, version 0.9.6m is widely recognized as the most stable release for Indy 9. Locate a trusted archive of legacy OpenSSL binaries. In the modern security landscape, almost all web
Install a lightweight proxy utility like or Nginx on the local client machine.
Indy 9 only natively supports up to TLS 1.0.
Your Delphi code changes to TIdHTTP.Get('http://localhost:8080/api/data') . No SSL libraries. No Indy 9 headaches. You win. The required OpenSSL files ( ssleay32