Articles about certificate | UserComp.com

Removing Smartcard Certificates Using 'certutil' in Tech Support

This article explains how to remove smartcard certificates from a personal certificate store using the 'certutil' script in tech support. Although manually modifying Internet Options is an alternative, this method is preferred for automation.

LetsEncrypt Gives 403/404 Error During Certificate Renewal on New Server

While migrating a website to a new server, the Let's Encrypt certificate renewal process returns a 403 or 404 error. This article provides solutions for troubleshooting and resolving the issue.

Renewing LetsEncrypt Certificates Behind a Proxy Upgrade

Learn how to renew LetsEncrypt certificates behind a haproxy proxy upgrade. This process involves using certbot and pfsense to forward TCP traffic.

Workaround for P12 Certificate 'Notepad' Encoding Issue in Gmail and Text Editors

Learn how to resolve the 'stupid issue' of encoding when opening a P12 certificate in Gmail or text editors. Follow this guide for a workaround.

TLS Certificate Verification Error in WordPress Email Send via Office365.com

A WordPress website configured to send email using SMTP.office365.com via the WPMail plugin encounters a TLS Certificate Verification Error. However, emails can still be sent without verification.

Local IS Website Certificate Issues: Troubleshooting a Generated Certificate

If you've recently generated a certificate for your local IS website using an online CSR generator and have encountered issues, this article will guide you through the troubleshooting process.

Power BI: Error Occurred Reading Data Provider: Remote Certificate Not Valid According to Validation Procedure - PostgreSQL

This article provides a solution to the error 'Error Occurred Reading Data Provider: Remote Certificate Not Valid According to Validation Procedure' when trying to connect to a PostgreSQL database server in Power BI.

Windows Store: Unable to Export Certificate Private Key

Learn how to resolve the issue of being unable to export a certificate private key from the Windows Store.

Restoring EFS Certificate: A Smooth Process?

A user reports a seemingly straightforward process of restoring an EFS certificate with a .pfx file and password. However, they encountered no errors during the process.

Using DuckDNS and Let's Encrypt to Secure Multiple DNS Challenges

Learn how to use DuckDNS and Let's Encrypt to secure multiple DNS challenges, including normal and wildcard certificates. This tutorial is for users of HTTPS shobbyist level services offering automatic certificate issuance and renewal.

Resolving Local FQDN Certificate Warning During Second Exchange 2019 Installation

Encountered a Local FQDN Certificate Warning during the installation of a second Exchange 2019 server. Learn how to resolve this issue.

Power BI Connection Error: SSLProvider, error: 0 on SQL Server 2016

Learn how to resolve Power BI connection issues with SQL Server 2016 when encountering the SSLProvider error (0).

Adding Additional IP Cluster TLS/SSL Certificate to K3S Kubernetes Cluster

Learn how to add an additional IP cluster TLS/SSL certificate to a K3S Kubernetes cluster. This guide assumes a 3-node cluster with control-plane, etcd, and worker nodes.

EAP-TLS SSL Handshake Failure: Unknown CA (Fatal, Level: 1)

This article explains the causes and solutions for the EAP-TLS SSL handshake failure with the 'Unknown CA' error message.

Using new certificate.cer file instead of default one in DDEV Composer with WSL2 Ubuntu

Learn how to use a new certificate.cer file instead of the default one when working with DDEV Composer on WSL2 Ubuntu.

CA Bind: Self-signed Certificates not Working in Intranet

Users report that self-signed certificates generated using CA (Certificate Authority) bind local website in IIS (Internet Information Services) work fine on their PC but fail to function in an intranet environment. This article discusses potential causes and solutions.

Understanding X.509 Subject Field Encodings: OrganizationName

X.509 OrganizationName field can use various encodings, such as TeletexString. This article provides examples using RFC5280.

TLS Mutual Authentication: Creating Client Certificate in Windows for .NET Application

When working on a .NET application, increased SSL channel logging reveals the need for TLS mutual authentication. Learn how to create a client certificate for this scenario in Windows.

Finding CA Cert for Synology NAS using curl --cacert

Learn how to find and use the CA cert for Synology NAS when connecting via HTTPS using curl --cacert.

Outlook 365: Self-Signed Certificate Used by Email Server Backend for 5 Years

This article explains the potential risks of using a self-signed certificate on an Outlook 365 email server for over 5 years. Learn how to resolve this issue and secure your email communications.

Chrome Network Requests Stall Exactly 10 Seconds with Custom Local SSL Certificates using mkcert

When developing websites locally with mkcert tool for creating SSL certificates, Chrome browser stalls network requests exactly for 10 seconds. This issue can be resolved by adding the domain to the hosts file.

Exporting CRT File Certificates using OpenSSL in Windows DOS Prompt

Learn how to extract and export a CRT file certificate using the OpenSSL utility in the Windows DOS prompt.

Renewing SSL Certificate from GoDaddy for IIS: Downloaded ZIP File Instructions

Learn how to renew an SSL certificate from GoDaddy for use with IIS by following the instructions provided in the downloaded ZIP file.

EFs Certificate Required When Importing PFX File?

Users encountering issues while importing a PFX file may be asked to provide an EFS certificate. This article explains the reason behind this requirement and how to obtain it.

Google Domains SSL Certificate Not Applied to Subdomain on EC2

Having trouble applying a Google Domains SSL certificate to a subdomain on an EC2 instance? Learn how to troubleshoot and resolve this issue.

Trouble Downloading Azure Key Vault Certificate.PFX using Java SDK

Having trouble downloading a certificate from Azure Key Vault as a PFX file using the Java SDK? Learn how to resolve the issue of the downloaded cert not being openable like the original HEX-encoded PFX file.

Certificate Valid, But Website Shown as Not Secure on Some Browsers: What to Do

Learn about the issue of a valid certificate but a website marked as not secure on some browsers. Find out the causes and solutions to this problem. SSL certificate validation is crucial for website security and user trust.

Updating WinRM Certificate Info in Azure VM post-creation

Learn how to update WinRM certificate information in Azure after the VM has been created, without replacing or recreating the VM. Follow our step-by-step guide to ensure secure communication with your Azure VM.

Fixing Fastlane Match Provisioning Profile Issue with Apple Development Certificate

Learn how to resolve the Fastlane Match Provisioning profile "match Development XXX" not including the signing certificate "Apple Development: XXXX" issue. Our tech support site provides a solution to help you get back on track.

SSL Certificates Not Generated with Certbot for Nginx in Docker

Having trouble generating SSL certificates with Certbot for Nginx in Docker? Learn about common issues and solutions to help you get your SSL certificates up and running. This tech support article covers the most common problems and provides step-by-step solutions for fixing them.

SSL Certificates Not Generated with Certbot for Nginx using Docker

Having trouble generating SSL certificates with Certbot for Nginx using Docker? Learn about common issues and solutions in this tech support article. Optimize your web server security with expert tips and tricks.

TLS 1.3 Certificate Verification Complete Algorithm

Learn about the complete algorithm for verifying TLS 1.3 certificates using X509CertificateValidator. This article provides insights into the certificate verification process and ensures secure communication in TLS 1.3 protocol.

Using Multiple Certificates in Haraka Server

Learn how to configure and use multiple SSL certificates in Haraka server. This article provides step-by-step instructions and tips for optimizing your server's security and performance.

Troubleshooting Certificate Issues: Impersonation Token Error

Learn how to troubleshoot the 'An attempt has been made to operate on an impersonation token by a thread that is not currently impersonating a client' error when working with certificates. This article provides insights into resolving this common issue in SSL certificates, Ansible, and WinRM.

Invalid SSL Certificate for Wikimedia on LAN: Troubleshooting Guide

Encountering an invalid SSL certificate error specifically for Wikimedia on your PC and LAN? This article provides a step-by-step troubleshooting guide to resolve the issue and ensure secure connections. Read on to learn more!

Fixing Invalid SSL Certificate Error for Wikimedia on My PC

Encountering an invalid SSL certificate error while accessing Wikimedia on your PC? This article provides step-by-step instructions to troubleshoot and resolve the issue, ensuring secure browsing experience. Learn how to fix SSL certificate errors and regain access to Wikimedia effortlessly.

Running GitHub Actions unders specific, existing Windows user

Learn how to run GitHub Actions under a specific, existing Windows user. This article provides step-by-step instructions on using PowerShell, managing certificates, integrating with Active Directory, and leveraging GitHub for streamlined workflows.

Edge - Why is OpenDNS issuing the certificate for bing.com?

Learn why OpenDNS is issuing the certificate for bing.com on Microsoft Edge. Explore the implications for internet security and trusted root certificates.

Troubleshooting Trusted Global Root CA Not Updated with Restricted Internet Access

Learn how to troubleshoot the issue of Trusted Global Root CA not being updated when restricted internet access is enabled on your Windows system. Follow these steps to ensure your certificates are up to date and secure.

How to create CA + 2 Certificates with XCA - For Host-to-Host IPSec authentication (no AD)

Learn how to create a Certificate Authority (CA) and two certificates using XCA for Host-to-Host IPSec authentication without Active Directory (AD). This step-by-step guide will ensure secure communication between hosts.

Create CA + 2 Certificates with XCA (For Privileged Access to a Workstation over LAN in non-AD domain)

Learn how to create a Certificate Authority (CA) and two certificates using XCA for privileged access to a workstation over LAN in a non-AD domain. Enhance the security of your network and ensure secure authentication with this step-by-step guide.

Create CA + 2 Certificates with XCA - For Host-to-Host IPSec authentication (no AD)

Learn how to create a Certificate Authority (CA) and two certificates using XCA for host-to-host IPSec authentication without Active Directory. Enhance the security of your Windows system with this step-by-step guide.

Create CA + 2 Certificates with XCA (For Host to Host IPSec)

Learn how to create a Certificate Authority (CA) and two certificates using XCA for Host to Host IPSec. Ensure secure communication and authentication between hosts with this step-by-step guide.

Certificate Authority Works in Linux but Fails in MacOS

This article explores the issue of Certificate Authority working in Linux but failing in MacOS. It discusses the possible reasons behind this problem and provides troubleshooting steps to resolve it. If you are facing difficulties with Certificate Authority in MacOS, this article is a must-read for you.

How to Fix the 'Unknown Publisher' Warning When Installing a Cumulative Update on Windows 11 Pro

Encountering the 'Unknown Publisher' warning while installing a cumulative update on Windows 11 Pro? Learn how to resolve this issue and ensure a smooth update process. This article provides step-by-step instructions and insights into the underlying causes of the warning.

Get Certificate Expiry Date in Unix Time Format

Learn how to retrieve the expiry date of a certificate in Unix time or any other numeric format. This article provides step-by-step instructions using OpenSSL to obtain the certificate's expiration date.

Find an SSL certificate with Powershell that is NOT expired

Learn how to use Powershell to find SSL certificates that are NOT expired. Improve your security by easily identifying and managing valid SSL certificates.

Understanding TLS Certificate Validation Depth

Learn about TLS certificate validation depth and its importance in ensuring secure connections. This article explores the role of certificates in HTTPS communication and how to analyze them using tools like Wireshark. Gain insights into troubleshooting certificate validation issues and enhancing network security.

Client Fails TLS Handshake: Troubleshooting Guide

Learn how to troubleshoot and resolve the issue of client failing TLS handshake. This article provides step-by-step instructions and tips to fix the problem related to SSL, Nginx, and SSL certificates.

Website Refuses to Load: SSL Certificate Related

If your website is refusing to load but works fine everywhere else, the issue might be related to your SSL certificate. This article provides troubleshooting steps and solutions to resolve the problem.

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