Apr 30 · 5 min read · Executive Summary A comprehensive technical audit of Exegy’s Managed Services infrastructure has uncovered a series of systemic security failures governing how remote appliances are provisioned and ma
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Apr 27 · 3 min read · I recently consulted for a mid-sized enterprise where the "Standard Operating Procedure" for remote work involved a 50MB OpenVPN client that took exactly 32 seconds to complete a handshake. Every time a user moved from their home WiFi to a 5G connect...
Join discussionApr 20 · 3 min read · WireGuard vs OpenVPN: Kernel Space vs User Space – A Reality Check 1. Introduction: The Unavoidable Truth of VPNs Let's be blunt: nobody wants a VPN. We use them because the underlying network infrastructure is either hostile, insecure, or poorly man...
Join discussionJan 8 · 8 min read · If you work in a secure cloud environment, you have probably faced this problem: You need to access an EC2 instance or RDS database in a private subnet, but you are not allowed to create a Public IP. Maybe your organization has a Service Control Poli...
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Dec 31, 2025 · 2 min read · 💻 Mô hình Mô hình cơ bản như hình dưới: Trang cấu hình của máy pfSense chỉ nên được truy cập từ phía LAN chứ không được phép từ phía WAN, vậy nên mình sẽ cấu hình một tunnel VPN bằng OpenVPN đơn giản để có thể cấu hình pfSense trên laptop. 🛠️ B...
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Nov 27, 2025 · 7 min read · I’ve always been the type who tinkers with tech until it either sings or screams. A few years back, I ditched my go-to commercial VPN after one too many slowdowns during a late-night coding session—turns out, sharing bandwidth with half the internet ...
Join discussionAug 25, 2025 · 4 min read · Requirements VPC (Virtual Private Cloud): VPC is a virtual network dedicated to your AWS account. It enables you to launch AWS resources (like EC2 instances) into a virtual network that you define. It provides control over the virtual networking env...
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Jul 24, 2025 · 6 min read · When setting up a self-hosted VPN, picking the right protocol is crucial for a smooth and secure experience. WireGuard and OpenVPN are two leading open-source options, each with distinct strengths. Whether you're securing remote access to your home s...
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Jul 9, 2025 · 5 min read · When tech enthusiasts talk about open-source operating systems, Linux often tops the list. With its flexible architecture and rock-solid reliability, Linux is a favorite among developers, system admins, and privacy-conscious users. But as secure as i...
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