WebSocket compression is essential for reducing bandwidth and improving responsiveness, especially when transmitting repetitive data like JSON payloads. The permessage-deflate extension compresses every WebSocket frame on the fly — but the speed of that compression directly impacts your application's throughput. Starting with sgcWebSockets 2026.4.0, the permessage-deflate implementation has been completely rewritten for significantly faster performance. In our benchmarks, small messages co...

OAuth 2.0 access tokens are the keys to your API kingdom — and if someone steals one, they can use it from anywhere. DPoP (Demonstrating Proof of Possession), defined in RFC 9449, solves this by cryptographically binding tokens to the client that requested them. Even if a token is intercepted, it becomes useless without the client's private key. Starting with sgcWebSockets 2026.4.0, the OAuth2 client and server components include full DPoP support. This article explains what DPoP is, how i...

Remote server administration, automated deployments, configuration management, and infrastructure monitoring — all of these rely on secure shell access. Whether you need to execute a single command on a remote host, open an interactive terminal session, or set up a port-forwarding tunnel, SSH is the protocol that makes it possible. The sgcIndy package includes TIdSSHClient — a native Delphi SSH client component that implements the SSH-2 protocol with full support for command executio...