For decades, PHP has powered the web using a simple model: process a request, send a response, then shut down. This model, especially in the form of CGI and PHP-FPM, is easy to understand but...
Beyond PHP-FPM: Modern PHP Application Servers
For decades, PHP has powered the web using a simple model: process a request, send a response, then shut down. This model, especially in the form of CGI and PHP-FPM, is easy to understand but...
IPL: How to create lists with ipl-web
In my previous blog post, I explained how to build lists using ipl-web widgets. That method will soon be deprecated due to its complexity. With the recent ipl-web release, we have introduced a simpler and more flexible approach to building lists, using a lightweight...
Icinga 2 DSL – Variable Scopes
Ever wondered how Icinga 2 manages all those variables, and how it knows which one to use? In this blog post, we will explore all the different variable scopes in Icinga 2, and by the end, you will know what this mysterious error message means when you see it in your...
Icinga Notifications – How to Set Up Desktop Alerts
We recently released the beta version of our Notification Web Module, which includes a cool feature that is not yet known to everyone. We named it Desktop Notifications (Browser Push Notifications). With this feature enabled, your browser can send you instant...
Icinga Notifications: Custom Sources
Icinga Notifications works with custom sources next to Icinga 2 alerts. Custom sources from a script and for Prometheus alerts are shown.
Uncovering a Client Certificate Verification Bypass in Icinga
This is a guest blogpost from Finn Steglich. As of Icinga 2 versions 2.14.3, 2.13.10, 2.12.11, and 2.11.12 from 12th November 2024, a critical security issue affecting Icinga 2 Masters, Satellites and Agents has been addressed. Now we'd like to release some more...
Releasing Icinga Director v1.11.2
We are pleased to announce the release of Icinga Director version 1.11.2, which addresses several important bug fixes to enhance the stability across different areas of the Director. UI Enhancements This update resolves several issues, including errors when changing...
Getting Started with Icinga: Your All-in-One Guide to Mastering Monitoring
If you’re looking for a comprehensive guide to getting started with Icinga, you’re in the right place. Whether you're new to Icinga or a seasoned user who thinks they’ve seen it all, some of these resources could surprise you with a few tricks. Let's dive into the...
Releasing Icinga Web v2.12.2
Today we’re announcing the general availability of Icinga Web v2.12.2. You can find all issues related to this release on our Roadmap. General Fixes Icinga Web has become quite mature over the years. Typically, only new features cause issues and require fixing....
Critical Icinga 2 Security Releases: 2.14.3, 2.13.10, 2.12.11, 2.11.12 (CVE-2024-49369)
Today, we are releasing security updates for Icinga 2 fixing a critical vulnerability that allowed to bypass the certificate validation for JSON-RPC and HTTP API connections. Impact The TLS certificate validation in all Icinga 2 versions starting from 2.4.0 was...
Monitoring domains and DNSSEC properly
First of all, if you own a domain, the following text is for you. In production you obviously want to reduce outages. And an outage of a DNS domain as such takes down all services under that domain, no matter whether your LAMP components are all up and running. At...
Icinga 2 Security Pre-Announcement
The Icinga team would like to announce the forthcoming releases of Icinga 2 versions 2.14.3, 2.13.10, 2.12.11, and 2.11.12. These releases will be made available on Tuesday 12th November 2024 between 13:00 and 15:00 UTC. These Icinga 2 releases will be security-fix...
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