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Java Socket Programming - Socket Server, Client example — step-by-step Programming tutorial on Progressive Robot

Java Socket Programming – Socket Server, Client example

URL: https://www.progressiverobot.com/java-socket-programming-server-client/ Welcome to Java Socket programming example. Every server is a program that runs on a specific system and listens on a specific port. Sockets are bound to the port numbers and when we run any server it just listens on the socket and waits for client requests. For example, tomcat server running on […]

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OpenBSD 7.6 — pffrag — errata 007_pffrag — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — pffrag — errata 007_pffrag — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 007_pffrag Errata topic: Reliability: pffrag (All architectures) Issued: February 10, 2025 Upstream summary: pf(4) could reassemble overlapping fragments into an incorrect IP packet that was too short. Table of contents Symptom […]

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How To Use Opacity and Transparency to Create a Modal in CSS — step-by-step DevOps tutorial on Progressive Robot

How To Use Opacity and Transparency to Create a Modal in CSS

When styling HTML with CSS, opacity can help soften a shadow, de-emphasize non-essential content during a specific task, or fade content in or out of view. Throughout this tutorial, you will use various ways to apply opacity and extra properties to create a modal that appears with a no-JavaScript approach using the :target pseudo class and the opacity, pointer-events, and transition properties.

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How to Configure IIS Web Server on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure IIS Web Server on Windows Server 2019

How to Configure IIS Web Server on Windows Server 2019 Internet Information Services (IIS) 10 on Windows Server 2019 is a full-featured, modular web server platform supporting HTTP, HTTPS, FTP, FTPS, and WebDAV. IIS powers millions of websites and web applications worldwide and integrates tightly with the .NET framework, ASP.NET Core, PHP, and Node.js via […]

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How To Use Apache as a Reverse-Proxy with mod_proxy on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use Apache as a Reverse-Proxy with mod_proxy on Ubuntu 20.04

In this tutorial, you’ll set up Apache as a basic reverse proxy using the mod_proxy extension to redirect incoming connections to one or several backend servers running on the same network. This tutorial uses a backend written with the Flask web framework, but you can use any backend server you prefer.

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SLES 15 — libjpeg8 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libjpeg8 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:1957-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-17541 CVE-2019-2201 CVE-2020-35538 CVE-2018-19644 CVE-2014-9092 CVE-2017-15232 CVE-2018-1152 CVE-2018-11813  +4 more Upstream summary: Libjpeg-turbo all version have a stack-based buffer overflow in the "transform" component. A […]

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