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Let’s Encrypt is a free, automated, and open Certificate Authority. It uses ACME protocol to validate your domain. If you have complete control over your domain, you can get a certificate for free. In order to provide secure access to your public network like HTTPS, LDAPS etc you need a certificate from a Certificate Authority. The cost of the certificate range from 10$ to 100$. If you want a wildcard certificate then it may cost more. The certificate is valid for one year and you need to pay and renew every year. Let's Encrypt comes for the rescue. You can create and renew certificate for few.
The certificate from Let's Encrypt is valid for 90 days and you need to renew it. The entire process is automated. There are few providers who has online tools to generate certificate. One such tool is ZeroSSL and in this article we are going to discuss generating certificate using ZeroSSL online tool.
Details Tab:
Verification Tab:
Certificate Tab:
We are in a deliberate need to secure our systems and we need SSL certificate. I can use self-signed certificate but others will not accept it. This is forcing every one to buy a one. The certificate providers are providing other ancillary services for the money they charge. For some one who require just a certificate and doesn't bother of renewing it every 90 days then you can certainly choose Lets Encrypt.
I sincerely thank and appreciate the effort of Lets Encrypt.
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We will send mail once in a week about latest updates on open source tools and technologies. subscribe our newsletterMkcert is go-lang project, which is super easy tool to setup certificate authority without any configuration. Using certificates are inevitable these days, data should be transferred in a secure communication channel. Buying a certificate is expensive and mostly companies buy certificates only for production systems. In Dev setup, if we use self-signed certificate then there will be trust errors. mkcert automatically creates and installs a local CA in the system root store, and generates locally-trusted certificates.
OpenSSL is a general purpose cryptographty toolkit that provides an open source implementation of Transport Layer Security(TLS) and Secure Socket Layer(SSL) protocols. It is written in C,assembly and Perl language but wrappers are available in all languages. This article explains about OpenSSL commands.
Web developers come across scenarios like web application completely breaks when workstation goes offline. Likewise to get into our application, every time we need to open a browser and then access it. Instead if it is in app, it will be easy to access for end-user. Push notifications similar to email client need to be done through web application. All these are addressed by a magic called service worker.
GlobalSign is one of the Internet’s original trust service providers (technically known as Certificate Authorities). They have issued millions of trusted Digital Certificates to people, servers and mobile devices for Public Key Infrastructure (PKI) enabled solutions and applications. They are now giving certificates for free for open source projects.
What the benefit will i get, if i contribute to Open Source? This is the frequently asked question by many people. I just want to pen down the benefits which i know and i hope you will agree with it.
AbanteCart is a free, open source shopping cart that was built by developers with a passion for free and accessible software. Founded in 2010 (launched in 2011), the platform is coded in PHP and supports MySQL. AbanteCart’s easy to use admin and basic layout management tool make this open source solution both easy to use and customizable, depending on the skills of the user. AbanteCart is very user-friendly, it is entirely possible for a user with little to no coding experience to set up and use this cart. If the user would be limited to the themes and features available in base AbanteCart, there is a marketplace where third-party extensions or plugins come to the rescue.
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. It is pre-loaded with user authentication, content administration, site maps, RSS feeds and many more tasks. Security features provided are cross site scripting (XSS) protection, cross site request forgery protection, SQL injection protection, click-jacking protection, host header validation, session security and so on. It also provides in built caching framework.
Angular is a framework for creating single page web application. Angular facilitates the security feature and protection mechanism. It provides frameworks by verifying all the routing urls with security authguard interface to validate and verify the user and its permissions.
Light 4j is fast, lightweight, secure and cloud native microservices platform written in Java 8. It is based on pure HTTP server without Java EE platform. It is hosted by server UnderTow. Light-4j and related frameworks are released under the Apache 2.0 license.
Exonum is an extensible open source blockchain framework for building private blockchains which offers outstanding performance, data security, as well as fault tolerance. The framework does not include any business logic, instead, you can develop and add the services that meet your specific needs. Exonum can be used to build various solutions from a document registry to a DevOps facilitation system.
Nowadays on the web, Shopping is one of the most popular activities. Everyone can shop at their recess, anytime from anywhere. However, this is interesting that anyone can have their pages built to display their favourite products and services.
Electron is an open source library to build native applications which also works as cross-platform desktop applications. It provision operating system functionalities with help of node integration. In this article, we will go through how to access the Operating System variables, Inter system communication, System dialog, Access files, folders also their statistics.
Nuster is a simple yet powerful web caching proxy server based on HAProxy. It is 100% compatible with HAProxy, and takes full advantage of the ACL functionality of HAProxy to provide fine-grained caching policy based on the content of request, response or server status. This article gives an overview of nuster - web cache proxy server, its installation and few examples of how to use it.
PHP, the general-purpose scripting language has been used since decades for socket programming and web development. But in recent times, Python has become the most sought after programming language. This all-purpose programming language is attracting more developers in the industry owing to its highly dynamic and extensible nature. Let's see how Python is winning over age-old PHP.
Web Real-Time Communication (WebRTC) is an open source project currently being developed with an aim to provide real time, peer-to-peer communication between web applications. WebRTC provides simple JavaScript APIs that help developers to easily build web applications with real time audio, video and data transfer capabilities. This blog has been written assuming that the reader has zero knowledge of how WebRTC works and hence have explained the entire working in detail using simple terms and analogies wherever possible. Let’s get started!
Solr is a search engine built on top of Lucene. It supports REST interface and has lot of built-in capabilities. Solr package has Admin UI interface which has support to perform query and even delete the contents of the index. If you are using Solr in production then you may need to restrict access. I saw couple of questions in the group related to this topic. Thought to write an article explaining few tips to restrict the user access to Solr admin UI.
What if you could reliably run PHP without Nginx or Apache, but also without relying on its internal server? What if you could do async operations in PHP with true multi threading, fully taking advantage of multi core processors without hacks or a jungle of callbacks? What if you had drag and drop installation support for your PHAR packaged web apps in an environment identical to its production counterpart? Welcome to appserver.io – the worlds first open source application server for PHP.
Spring Boot is a microservice-based Java framework used to create web application. WebSocket API is an advanced technology that provides full-duplex communication channels over a single TCP connection. This article explains about how to implement WebSocket using Spring Boot.
OpenPDF is based on a fork of iText version 4. iText is a widely used PDF library but they changed their license and moved to AGPL. In this article, we can see how to read and write to PDF, How to extract text from PDF and How to create password protected PDF.
In any project there will be a need to send mail out to users. It could be an alert mail, forget password or authentication related mail. Mail is the default communication between the software and the users. As a developer, we can write code, to send out a mail but we need to make sure whether it got successfully received and how the body of mail, Is it the same like what we have sent. GreenMail is a Email test framework which helps to send and receive mails. It is a test framework which supports SMTP, POP3, IMAP including SSL.
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