uses IdHTTP, IdSSL, IdSSLOpenSSL, IdSSLOpenSSLHeaders; procedure SecureGet; var HTTP: TIdHTTP; SSL: TIdSSLIOHandlerSocketOpenSSL; begin HTTP := TIdHTTP.Create(nil); SSL := TIdSSLIOHandlerSocketOpenSSL.Create(HTTP); try SSL.SSLOptions.Method := sslvTLSv1; // or sslvSSLv23 SSL.SSLOptions.Mode := sslmUnassigned; SSL.SSLOptions.VerifyMode := []; SSL.SSLOptions.VerifyDepth := 0;
Delphi 7, released in 2002, is widely regarded as one of the most stable and beloved versions of Borland’s flagship RAD environment. Paired with Indy 9 (which was the standard networking library at the time), it powered thousands of email clients, FTP tools, and HTTPS-enabled applications. However, as the internet transitioned almost exclusively to TLS 1.2 and above, and as Windows Server and client operating systems evolved, this error began plaguing developers trying to keep their legacy applications alive. Delphi 7 Indy 9 Could Not Load Ssl Library
Introduction: A Legacy Error in a Modern World For developers maintaining legacy systems, few error messages inspire as much immediate dread as the infamous: "Could not load SSL library" when using Indy (Internet Direct) components in Delphi 7. Introduction: A Legacy Error in a Modern World
// Force explicit DLL path if needed IdSSLOpenSSLHeaders.LoadOpenSSLLibrary('C:\MyApp\'); HTTP.IOHandler := SSL
HTTP.IOHandler := SSL; HTTP.HandleRedirects := True;