Work and Move with QUIC and Network Switching
What’s more frustrating than losing your 4D Remote connection to the 4D Server while switching networks on the go? Whether you're moving from Etherne...
October 21, 2025
1 min read
Network
New Class to Perform UDP Communications
4D 20 R8 introduced the TCPConnection class, bringing an object-oriented, asynchronous way to handle TCP client connections. Then came 4D 20 R9 with t...
July 17, 2025
1 min read
New class to handle incoming TCP connections
In 4D 20 R8, we introduced the TCPConnection class, allowing you to initiate TCP connections to remote servers. With 4D v20 R9, we're excited to bring...
May 16, 2025
1 min read
New class to perform TCP connections
With the release of 4D 20 R8, a game-changing feature has arrived:: the TCPConnection class. This modern class leverages object-oriented syntax and su...
January 29, 2025
1 min read
Encryption. Authentication. & Certificate Authority Validation
In recent releases, 4D’s security capabilities have been significantly expanded, particularly in the area of certificates. This includes auto-generate...
November 14, 2024
1 min read
Deprecation of the Legacy Network Layer
To handle the communication between 4D Client and 4D Server, 4D proposes 3 different network layers: Legacy, ServerNet, and QUIC. The Legac...
June 5, 2024
1 min read
QUIC network layer: Automatic update and sleep mode
Our development of the QUIC network layer continues, and with 4D 20 R4, we now have the sleep mode and the automatic update. Let's take a closer look ...
February 28, 2024
1 min read
Auto-Generated SSL/TLS Certificates for Client-Server Communications
To simplify the security of client-server communications, from 4D v20 R4 onwards, 4D Server generates its own SSL/TLS certificates instead of relying ...
January 18, 2024
1 min read
Activate QUIC Layer from the Structure, User and Database Settings
In 4D v20 beta, we were excited to show you our work on the new QUIC network layer. As the layer is still in the beta version, we deactivated it for t...
July 21, 2023
1 min read
Websocket Client
In today's interconnected world, the need for real-time updates is paramount for websites and IoT applications. A way to deliver information instantl...
July 17, 2023
1 min read