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#openssl
Introduction: In the world of secure communications, certificates play a crucial role in ensuring trust and confidentiality. This blog post provides a comprehensive, step-by-step guide to creating sel…
Quick'n'dirty SSL certificate generation with OpenSSL: openssl genrsa -out pkey.pem 2048 openssl req -new -x509 -days 3650 -key pkey.pem -out cert.pem NOTE: When asked for "Common Name (e.g. server …
There might be use case where you need to verify that the server certificate is actually signed by a particular CA : Eg. You have a private CA server and you are having issues with the server certificate signed by that CA. Lets test google.…
Quick Guide on Generating a self-signed SSL certificate using OpenSSL. SSL certificates are essential for ensuring secure communication between a web server and a client. While there are many commerci…
A few days ago, I read a blog post by the author of Core-js. To be honest, it was my first time hearing about Core-js. As someone who has written some front-end code and has been keeping up with open source projects, I feel a bit ashamed. H…
Intro: If you've encountered the ERR_OSSL_EVP_UNSUPPORTED error while starting up your React JS application with the npm start command, you're not alone.This error occurs when an application or module…
In this guide we will discuss how to create Key/Certificate pairs to facilitate secure communication between a Kubernetes Cluster components, for this guide we will use OpenSSL and its CLI tool In sum…
SOCAT is a command line based utility that establishes two bidirectional byte streams and transfers data between them. We can leverage SOCAT’s support for different types of sources and sinks to simulate TCP and TLS proxies. This type of si…
OpenSSL の脆弱性であるCVE-2022-0778の各UTM/IPS/WAFの対応状況とCVE-2022-0778を未然に発生させずに防げたのかの考察を投稿します。 Overview Mitigations list(UTM/IPS/WAF) ※本記事の内容は、2022年6月8日現在の公開情報をもとに記載しております。 お使いの製品でIPS機能等が利用できるライセンスであるか、シグネチャ等の…
In an earlier post, I discussed how the makecert.exe tool in Windows OS can be used to create self-signed certificates. We'll now check how the popular OpenSSL tool can be used to create these self-si…
![[JP]CVE-2022-0778, "Nip in the Bug" and Overview Mitigations list(UTM/IPS/WAF)](https://cdn.hashnode.com/res/hashnode/image/upload/v1655480298263/23WZ-4zdG.png?w=1600&h=840&fit=crop&crop=entropy&auto=compress,format&format=webp)
