Articles about cert | UserComp.com

Understanding Assigning 802.1Q Trunks Interface on Cisco Exam: Example with Interface S1/F0/1

This article explains the process of assigning 802.1Q trunks interfaces on Cisco devices using the example of Interface S1/F0/1. Learn the steps and configurations to pass your certification exam.

Error Signing Email with EID Certificate using Outlook 365 Windows Client

This article explains the issue of receiving an error message stating 'no email address associated with certificate present' when trying to sign an email using an EID certificate in Outlook 365 on a Windows client. Normal troubleshooting steps are provided to resolve the issue.

Manufacturer's S.M.A.R.T. Values Reset on Refurbished/Recertified Drives

Learn about the implications of manufacturer's S.M.A.R.T. values reset on refurbished and recertified hard drives.

Certifying Multiple DNS Names: What Else is Required for Correct Verification?

This article discusses the requirements for obtaining a Let's Encrypt certificate with multiple DNS names, beyond Subject Alternative Names.

Firefox Warns: Potential HSTS Error with Substituted Certificate

Users reporting that Firefox displays a 'Not Connected: Potential Security Issue' message every two months when accessing a website. The browser detects a potential security threat due to an HSTS error with a substituted certificate.

Wget Error: Certificate <domain> Signed Using Insecure Algorithm - Wget vs Curl

When using Wget to download content from a website, you may encounter an error stating that the certificate for the domain is signed using an insecure algorithm. This issue can be resolved by updating your SSL certificate or using an alternative tool like Curl. In this article, we will discuss the cause of this error and provide steps to fix it.

Adding Private key SSL Cert to IIS: CSR and File Instructions

Learn how to add a Private key SSL Cert to IIS using CSR and file instructions. Renewing SSL certificates hosted on IIS.

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.

Error: Outdated Containers in Docker - Updating Certbot

This article provides a solution to an error encountered when updating Certbot in a Docker environment. The error message states that the containers are outdated and needs to be updated. This article explains the steps to update the containers using Docker Compose.

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.

Troubleshooting: Creating .crt and .key files using certutil with empty certificate request files

This article explains how to resolve an issue when creating Apache SSL certificates using certutil and empty certificate request files.

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).

Windows SSL Certfile Association with CryptoShellExtensions Broken

Users report that right-clicking on an SSL certfile in Windows Explorer no longer shows the 'Install Certificate' context menu option. Double-clicking the file also fails to open it. This article discusses possible causes and solutions.

Windows SSL Certfile Association with CryptoShellExtensions Broken

Users report that right-clicking on an SSL certfile in Windows Explorer no longer displays the 'Install Certificate' context menu option. Double-clicking the file also fails to open it. This article provides troubleshooting steps to resolve the issue.

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.

Resolving Tricky User Profile Issue on Windows Server 2012 R2 acting as a Certification Authority

This article provides solutions to a tricky user profile issue encountered while using Hyper-V Manager on a Windows Server 2012 R2 machine acting as a Certification Authority.

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.

Connection Reset Issue on Certain Websites for a Specific Machine: A Tech Support Guide for Rust Programmers

A Rust programmer encounters a connection reset issue while downloading packages using Cargo, the Rust package manager. This article provides a tech support guide to help resolve the issue.

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.

Read Content of cert.pem in Ionic 7: A Tech Support Guide

Learn how to read the content of cert.pem file in Ionic 7. This tutorial provides a step-by-step guide to help you access the file. Don't miss out on the latest tech support tips and tricks!

How to Extract Cert and Key from PKCS12 PFX File

Learn the step-by-step process to extract cert and key from a PKCS12 (PFX) file. This tutorial will guide you through the process using command line tools. Follow these instructions to ensure the security of your digital certificates.

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!

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