Ryadel

Types of Proxy Servers: SOCKS, HTTP(S), FTP, SSL A high-level overview of the various proxy server protocols available nowadays and the main benefits they provide

November 3, 2022November 3, 2022 - by Ryan - Leave a Comment

From an IT networking perspective, a proxy server is a dedicated application that acts as an intermediary between a client that requests a resource and the server that provides that …

Data Security / Linux / Operating Systems

Linux - Set default permissions when creating new Files with SSH/FTP How to set default RWX permissions when creating, uploading, or adding new files in Ubuntu, CentOS, Debian, and other Linux distributions

October 29, 2022October 29, 2022 - by Ryan - Leave a Comment

Yesterday we have published an article explaining how to set a default group when creating, uploading, or adding new files in Linux: in this post, we'll further expand on that …

Check if an IP Address is within a given Subnet Mask in C# A simple helper method that can be used to check if a specific IP address is part of a given Subnet Mask using C#

October 28, 2022 - by Ryan - Leave a Comment

If you're using a reverse proxy, a CDN such as Cloudflare, a third-party Wide Application Firewall, or any other intermediate caching and/or forwarding service to serve your website over the …

Servers & Services / Web / Windows

Restrict access to a website to some IP Addresses using the web.config file How to implement IP Address restrictions blacklists or whitelists using the web.config file instead of the IIS Manager GUI

October 28, 2022 - by Ryan - Leave a Comment

Some months ago we published a post explaining how to restrict access to a website to some IP addresses using the IP Address and Domain Name Restrictions IIS feature. In …

Linux / Operating Systems

Linux - Set a default Group when creating new Files with SSH/FTP How to set a default group when creating, uploading, or adding new files in Ubuntu, CentOS, Debian, and other Linux distributions

October 28, 2022October 29, 2022 - by Ryan - Leave a Comment

If you've stumbled upon this post, it most likely means that you're trying to fix a nasty issue affecting your Linux server: every time you upload some new files to …

ASP.NET / C# / Coding / Cyber Security / Servers & Services / Web

HTTP Authorization methods: Sessions/Cookies, Bearer Tokens, API Keys, Signatures, Certificates An extensive overview of the most used HTTP-based authorization methods, techniques and approaches used in modern web sites and services

October 20, 2022 - by Ryan - Leave a Comment

In general terms, authorization refers to the permission or power to perform, carry out or exercise certain rights. In the IT field, authorization is defined as the process by which …

DevOps Methodology, Lifecycle and Best Practices explained

Agile / Business innovation / Business processes / Coding / DevOps

The Role of Automation in Software Development Lifecycle What a CI/CD pipeline is, how it works, and why implementing it can dramatically increase an organization's productivity, reliability and innovation capabilities

September 30, 2022October 7, 2022 - by Ryan - Leave a Comment

A few months ago we published a post about DevOps , a software development methodology that combines software development (Dev) with information technology operations (Ops) in the entire service lifecycle: from the initial …

Cyber Security / Data Security / Spam and Scam Alert / Web

Do your e-mail messages end up in the SPAM folder? Here's how to avoid that An overview of how the Spam Score (or Spam Rating) of email messages works and some tips on how to improve it

September 16, 2022September 16, 2022 - by Ryan - Leave a Comment

In this article, we will focus on an extremely common problem among system administrators and web developers: the fact that the e-mail messages coming from our domain are being marked …

ASP.NET / C# / Coding

.NET - CallerMemberName, CallerFilePath and CallerLineNumber attributes How to use the attributes provided by the System.Runtime.CompilerServices namespace to get useful info about the execution context

September 16, 2022 - by Ryan - Leave a Comment

If you're a seasoned .NET developer, you most likely know about the importance of logging: when used in an IT context, the term logging defines the process of keeping track …

Cloud / Cyber Security / Data Security / Privacy & Compliance / Servers & Services / Tools & Utilities / Web

iTop VPN - Free VPN Service for Windows, macOS, iOS and Android Honest review of iTop VPN, a cost-effective VPN service fully compatible with several devices and an outstanding FREE subscription plan

September 9, 2022 - by Ryan - Leave a Comment

If you are a non-newbie internet user, you'll most likely already know what a Virtual Area Network (VPN) actually is: in the unlikely case you don't, we strongly suggest to …