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    NET::ERR_CERT_AUTHORITY_INVALID Error


    SSL errors certificate security networking troubleshooting
    The NET::ERR_CERT_AUTHORITY_INVALID error can be a frustrating roadblock for both website visitors and owners. This common SSL/TLS certificate issue disrupts trust and hampers website accessibility. In this blogs, we’ll explain what this error means, its implications for users and website owners, and the steps to resolve it effectively. Summary What is NET::ERR_CERT_AUTHORITY_INVALID? This error indicates the browser cannot verify the authenticity of a website’s SSL/TLS certificate. For Website Visitors: It can result from an untrusted Certificate Authority (CA), an expired certificate, outdated browser settings, or incorrect date/time settings on the system.

    Best DNS for Gaming in 2025


    gaming dns internet guide
    When it comes to online gaming, a stable and fast internet connection is crucial for an optimal experience. While many gamers focus on their ISP or router settings, an often-overlooked factor is the DNS ( Domain Name System ). Choosing the best DNS for gaming can significantly reduce latency, improve connection reliability, and even prevent issues like DNS server errors. Thus, in this article, we will learn why DNS matter for gaming, the recommended DNS servers for gaming and how to set them up in a proper way.

    Understanding IGMP Snooping: Enhancing Network Efficiency and Security


    networking multicast guide
    In today’s interconnected world, efficient network management is a key component of delivering smooth user experiences and optimized bandwidth usage. IGMP Snooping is a network feature that helps manage multicast traffic effectively by reducing unnecessary flooding of multicast packets. This article provides an in-depth understanding of IGMP Snooping, its benefits, functionality, and how to implement it efficiently. Additionally, we will cover advanced concepts and configurations for specialized use cases like VLANs and IGMP queriers.

    502 Bad Gateway Meaning


    guide 502 Bad Gateway
    Encountering a 502 Bad Gateway error can be frustrating for both website users and administrators, as it disrupts access to the website. A 502 Bad Gateway error specifically indicates that a server acting as a gateway or intermediary, like a reverse proxy server, has received an invalid response from an upstream server (often the main server hosting the content). This error often arises when there is a miscommunication between servers and understanding the underlying causes can help in pinpointing the exact issue.

    DNS_PROBE_FINISHED_NXDOMAIN: What it is and How to fix it


    dns_probe_finished_nxdomain Network troubleshooting DNS troubleshooting
    If you’ve encountered the “dns_probe_finished_nxdomain” error while browsing, you’re experiencing one of the most common DNS-related issues on the internet. This error appears when your browser cannot resolve the domain name of the website you’re trying to visit, essentially meaning it can’t find the website’s location on the internet. Understanding this error is crucial because it affects both website visitors and domain owners differently. For visitors, it usually indicates temporary network or browser issues that can be resolved quickly.

    Accessing Remote Servers with SSH ProxyJump and Jump Hosts


    networking security ssh engineering
    Introduction In practice, it is often impossible to establish a direct SSH connection with a remote server because of different network segmentation policies, firewall limitations, or extremely strict security measures at the organisation’s end. This is where Jump Hosts, commonly referred to as bastion hosts, fill the gap by providing means to connect two or more network segments. Together with SSH’s ProxyJump feature, they offer a secure way to connect to servers that otherwise cannot be reached.

    Remote System Monitoring with FastAPI and Pinggy


    guide FastAPI Pinggy System Monitoring
    Monitoring system metrics is essential for developers to ensure their applications run smoothly, optimize resource usage and quickly detect performance issues or bottlenecks. In this article, we’ll look at how to remotely monitor your system’s performance metrics—specifically CPU, RAM, memory and disk usage—using FastAPI and Pinggy. To accomplish this, we’ll use the psutil library, which provides easy access to real-time system resource data. To expose this data, we first need to start a server and FastAPI is an ideal choice for this purpose.

    Host a FastAPI Application Without a Server


    guide FastAPI Pinggy
    FastAPI, true to its name, is among the fastest frameworks for building APIs. It is a go-to choice for developers aiming to create APIs with speed and ease. Traditionally, hosting and sharing a FastAPI server involves setting up cloud environments, which can be time-consuming. In this article we’ll demonstrate how to bypass that complexity and instantly share your FastAPI server from localhost with a single command using Pinggy. Summary Step 1.

    Sharing LocalWP WordPress sites


    WordPress Pinggy LocalWP guide tunneling remote access
    Creating a local WordPress site is a routine for most developers, though sharing a live preview with clients or multiperson collaboration in real-time without having to waste time on complicated networks and open ports is always a big problem. That’s where Pinggy comes into play – a simple and lightweight tool for sharing local WordPress sites, that works in harmony with LocalWP by Flywheel tool, helps to tunnel your site in order not to trouble yourself with its remote accessibility.

    How to Easily Share ComfyUI Online


    ComfyUI Pinggy guide tunneling remote access
    ComfyUI is a portable, locally run interface commonly used for AI-simulated art generation with models like Stable Diffusion. When collaborating with remote clients or teammates, you might want to make this locally hosted UI accessible via the internet. This is where Pinggy, a fast and effective tunneling service, helps by allowing you to share your local setup using a public link. Summary Run ComfyUI Clone and set up ComfyUI: git clone https://github.