Ioto 3.0.0 Major Release
Dec 10, 2025
Major release of Ioto 3.0.0 adding HTTP Basic and Digest authentication, event-driven non-blocking I/O for 10x scalability, and pre-compressed content serving.
Web Servers
30 posts
What is an Embedded Web Server?
Apr 2, 2025
An embedded web server is a compact HTTP server designed to run within resource-constrained devices, providing web-based management interfaces and connectivity for IoT devices, industrial equipment, and consumer electronics. It allows users to monitor, configure, and control devices through standard web browsers over a network connection.
Ioto 2.6.0 Update
Mar 30, 2025
Minor feature release of Ioto 2.6.0 adding WebSockets support for both server and client side protocols.
Ioto 2.5.0 Update
Oct 25, 2024
Minor feature release of Ioto 2.5.0 improving state directory packaging for flash storage, adding database TTL support, and Windows WSL compatibility.
Ioto 2.4.1 Update
Oct 17, 2024
Minor feature release of Ioto 2.4.1 adding in-memory database support and improved FreeRTOS documentation.
Ioto 2.4.0 Update
Jun 28, 2024
Major feature release of Ioto 2.4.0 with FreeRTOS and ESP32 support, on-demand MQTT connections, and a secure Printf replacement.
Ioto 2.3.0 Update
May 29, 2024
Minor release of Ioto 2.3.0 with a breaking config rename of services.upgrade to services.update and a Linux event loop fix.
Ioto 2.2.0 Update
Apr 29, 2024
Minor feature release of Ioto 2.2.0 upgrading MbedTLS to external libraries, improving OpenSSL cipher selection, and adding software upgrade scheduling.
Appweb 9.0.1 Update
Mar 22, 2024
Minor Appweb 9.0.1 update correcting proxy handler and request redirection issues for external sites and CGI error documents.
GoAhead 6.0.1 Update
Mar 22, 2024
GoAhead 6.0.1 security update addressing JST parsing issues, use-after-free vulnerabilities, and adding a default memory notifier for low-memory conditions.
Ioto 1.5.0 Update
Jan 24, 2024
Minor patch release of Ioto 1.5.0 with bug fixes and minor features including updated test certificates and URL test command.
Ioto 1.4.0 Update
Dec 1, 2023
Release of Ioto 1.4.0 with a new HTTP client test program, improved web server request tracing, and enhanced redirect control.
Ioto 1.3.0 Update
Nov 20, 2023
Release of Ioto 1.3.0 with improved web server route handling, enhanced HTTP method coverage, and a collection of bug fixes.
Appweb 8.3.2 Update
Nov 1, 2023
Appweb 8.3.2 release with fixes for SSL verify client and the FastCGI handler when handling pipelined requests.
Appweb 9 Update
Nov 1, 2023
Milestone release of Appweb 9 that cleans up deprecated code and upgrades API stability classifications for millions of embedded devices.
Appweb 8.3.1 Update
Oct 31, 2023
Appweb 8.3.1 release with fixes for ESP route sharing, proxy handler reconnection, and compiler warnings as the last scheduled 8.X release before Appweb 9.
GoAhead 6 Update
Oct 31, 2023
GoAhead 6 major release celebrating over 25 years of trust, cleaning up deprecated code and upgrading API stability classifications.
Request Routing in Ioto
Mar 29, 2023
How to configure and use the Ioto request routing engine to authenticate and route HTTP requests to appropriate handlers.
Using Ioto to Generate Dynamic Responses
Mar 3, 2023
How to use Ioto to generate dynamic responses containing live device data for client HTTP requests.
Don't Internet enable your device
Jan 1, 2023
A cautionary appeal to device builders to consider the full lifetime cost of securing Internet-connected devices before adding connectivity.
Stop Using CGI
Oct 2, 2022
Why the Common Gateway Interface is slow, insecure, and obsolete, and what modern alternatives you should use instead.
What's different about Embedded?
Jun 10, 2022
Exploring what differentiates modern embedded systems from enterprise computing and why specialized solutions are needed.
IoT Security Checklist
Jan 12, 2022
Checklist for security issues when creating IoT devices
GoAhead 2 Security Update
Mar 8, 2021
GoAhead 2.2 is a special security release that backports all known CVE fixes to the GoAhead 2.x branch as a drop-in replacement.
Content Security Policy - The Reality
Oct 27, 2015
A case study examining the challenges of deploying Content Security Policy (CSP) to prevent Cross Site Scripting attacks on web sites.
Content Security Policy Survey
Oct 26, 2015
Survey results revealing that less than 0.5% of web sites implement Content Security Policy, with only 0.02% using it effectively.
MbedTLS Support
Sep 24, 2015
Embedthis integrates MbedTLS into Appweb and GoAhead for a smaller, simpler, and more secure out-of-the-box SSL solution compared to OpenSSL.
Appweb 6 Arrives
Jun 22, 2015
Appweb 6 released with semantic versioning, removing deprecated features from Appweb 5 while remaining highly compatible for existing users.
Appweb on Tiny Devices
Oct 23, 2012
Running Appweb on the tiny Linksys NSLU2 with OpenWrt, demonstrating a full HTTP web server with MVC framework in only 792K of flash.
Appweb 4 Arrives
Jun 14, 2012
Appweb 4.0 arrives after two years of development, delivering major performance enhancements, the Embedded Server Pages web framework, and a new request router.