Articles about tls | UserComp.com

Traefik doesn't use Let's Encrypt certificate, uses self-signed one

This article will help you understand why Traefik uses a self-signed certificate instead of Let's Encrypt certificate after changing DNS supplier from Google to OVH and provide solutions to fix the issue.

CURL Error on Gnutls Handshake

This article discusses a CURL error encountered during a Gnutls handshake on an Ubuntu 16.04 system. The error message reads: 'curl: (35) Gnutls handshake() failed: Error in the pull function'. This article provides a solution to resolve this issue.

Solving Postfix Newbie Issue: TLS 1.2 Ciphers Get Synology MailPlus Server to Accept SMTP Connection on Lorex DVR

Having trouble sending email notifications from Lorex DVR using Synology NAS MailPlus Server due to TLS connection failure? This guide focuses on solving the issue by updating the TLS 1.2 ciphers on the Synology MailPlus Server.

Decoding One Direction with Wireshark for TLS Encrypted Chat Client

This article guides you through decoding a TLS encrypted chat client using Wireshark. The server runs on one PC, while the client runs on another. The server creates SSL keys (server.key, server.crt) which are copied to the server.crt.

Generating OpenVPN TLS-Crypt Key with OpenSSL

This article explains how to generate a TLS-Crypt key for OpenVPN using OpenSSL. We will cover the required JSON structure and the steps to generate the key.

How to Configure cURL for Authenticated SMTP Connection with Self-Signed CA Certificate

This article covers configuring cURL to establish an authenticated SMTP connection via STARTTLS while sending authentication data with a self-signed CA certificate. Learn how to make cURL trust the unknown CA.

Make cURL establish TLS connection with CA unknown

This article guides you on how to configure cURL to establish an authenticated SMTP connection via STARTTLS, even when the server certificate is signed by an unknown CA. It includes a cURL command example.

Failing EAP-TLS Authentication on Mobile Phones: A FreeRADIUS Solution for Automatically Connecting iPhones to Network

In this article, we will discuss the issue of failing EAP-TLS authentication on mobile phones and provide a solution using FreeRADIUS for automatically connecting iPhones to the network. By utilizing Baramundi MDM to deploy configuration certificates, network administrators can ensure seamless and secure network connectivity for their users.

Automatically Connecting iPhones to RADIUS Server using EAP-TLS: A Step-by-Step Guide

Learn how to automatically connect iPhones to a RADIUS server using EAP-TLS authentication and MDM solutions like Baramundi. Follow this step-by-step guide to deploy configuration certificates and ensure secure network access.

Installing Nextcloud on Raspberry Pi Model B+ with Certbot and TLSCertificate

Learn how to install Nextcloud on Raspberry Pi Model B+, configure Certbot for SSL certificate, and secure your Nextcloud installation with TLSCertificate.

TLSv1 Hello Error in Blink/WebKit-Based Browsers: A Common Issue

Users of Debian and Chromium may encounter the TLSv1 Hello error. This issue can be intermittent and is sometimes resolved on its own. Wireshark often notices the failure of Chromium to make a TLS connection using this protocol version.

Upgrading TLS on an Old Server without Reinstalling Core OS: A Guide

In this tech support guide, we will provide step-by-step instructions on how to upgrade TLS on an old server without requiring a reinstallation of the core operating system. This is particularly useful for those running an older Linux version, such as 2.6.32-431.29.2.el6.x86_64#1 SMP OpenSSL, which supports TLS 1.2 but not TLS 1.3.

Upgrading TLS Server to Support TLS 1.3 on Linux 2.6.32

This article provides a guide on upgrading a TLS server to support TLS 1.3 on a Linux 2.6.32 system. It covers the necessary steps and commands to update the OpenSSL version and enable the new security protocol. Stay secure and up-to-date with the latest TLS version.

Specifying TLS Version with Charles Proxy for Network Request Troubleshooting

Learn how to specify TLS version while using Charles Proxy for intercepting and reading network requests made on an iPhone. Some domains and requests may fail to receive a response, and this guide will help you resolve the issue.

Fixing Traefik Crashes in LXC Container: Missing TLS Dynamic Configuration File

This article provides a solution for Traefik crashes in LXC containers caused by a missing TLS dynamic configuration file. Learn how to resolve the issue and get Traefik up and running again. Read more to find out.

Determining if a Website Uses HTTP or HTTPS: Tools and Methods to Verify Information

Learn how to determine whether a website uses HTTP or HTTPS, and the importance of TLS certificates. This article explores various tools and methods to verify website security information.

TLS Failed to Verify Certificate: Connecting to ACR Registry using Private Endpoint ADO Pipeline

This article provides a solution for fixing the TLS failed to verify certificate error when connecting to an Azure Container Registry (ACR) registry using a private endpoint in an Azure DevOps (ADO) pipeline. Learn how to troubleshoot and resolve the issue quickly.

Forcing TLS Version 1.2 for JBOSS Web Service Consumers

Learn how to force TLS version 1.2 for JBOSS web service consumers when a web service provider drops TLSv1.0. Ensure secure communication for your application. SEO optimized.

Fixing SSL Handshake Error: Not Connecting to Server Providing Certificates Signed Using SHA1RSA (Linux, OpenSSL 3)

Having trouble connecting to a server due to a certificate signed using SHA1RSA? Learn how to resolve the SSL handshake error on Linux using OpenSSL 3. Follow our step-by-step guide to ensure a secure connection.

Resolving Certificate Verification Failure in WSL Ubuntu for add-apt-repository

This article explains how to resolve Certificate Verification Failed errors when using add-apt-repository in WSL Ubuntu during TLS interception.

Windows 7 64-bit TLShandshake Failures

Users of Windows 7 64-bit have reported experiencing TLShandshake failures while attempting to connect to various servers on the internet. Please find attached Wireshark screenshots for further investigation.

Postfix Mail Server Installation Fails to Send Emails to Gmail, Works with ProtonMail: TLS Issue Solution

This article provides a solution to an issue where Postfix Mail Server fails to send emails to Gmail but works with ProtonMail, which is caused by a TLS issue. Learn how to resolve this problem and successfully send emails from Postfix Mail Server to Gmail.

Pure-ftp TLS: AUth Command Unsupported - Solution and Instructions

In this tech support article, we will discuss the issue of 'Pure-ftp TLS: AUth command unsupported' and provide solutions and instructions to enable TLS in Pure-ftp. We will cover creating DH files, installing certificates, increasing logging levels, and connecting with FileZilla.

Understanding Encryption Protocols Beyond TLS

Encryption goes beyond Transport Layer Security (TLS). Learn about different encryption protocols and their roles in securing data.

Troubleshooting Kubernetes Cluster on Azure VM: Resolve TLS Error in 'kubectl get pods'

Encountered TLS error while running 'kubectl get pods' on a Kubernetes cluster deployed on an Azure VM? Learn how to resolve this issue by ensuring the correct public IP is configured.

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.

TLS-CRYPTV2 Client Key Generation Error: Server Key Required

This article provides a solution for the error '--genkey tls-crypt-v2-client requires server key' that occurs during the generation of a TLS-CRYPTV2 client key using OpenVPN.

Creating TLS-CRYPT-V2 Key with Easy-RSA 3 for OpenVPN

This article provides a step-by-step guide on creating a TLS-CRYPT-V2 key using Easy-RSA 3 for OpenVPN.

TLS Key Negotiation Timeout in DockOvpn: A Solution

This article discusses a common issue with DockOvpn, an OpenVPN implementation in Docker, and provides a solution for TLS key negotiation timeouts.

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.

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.

Windows 11: Network Connection Error with SL/TLS (0x8004210A)

Users of Windows 11 have reported encountering a network connection error with SL/TLS (Secure Sockets Layer/Transport Layer Security) identified by error code 0x8004210A. In this article, we will discuss potential causes and solutions for this issue.

Resolving Windows 11 Error 0x8004210A with Outlook 2010

Users of Windows 11 encountered an issue with Outlook 2010, receiving error 0x8004210A while trying to receive emails. This article offers solutions to help resolve the issue.

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.

TLSv1.0 and TLSv1.1 Still Active: Securing Apache with IETF Protocols

This article explains how to prevent the usage of TLSv1.0 and TLSv1.1 protocols in Apache servers. It provides instructions on modifying Apache configuration files to enforce secure connections.

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.

FTPS (FTP SSL/TLS) Not Working: Rejecting Data Connection

Experiencing issues with FTPS (FTP Secure) connections? Learn how to troubleshoot and resolve the 'Data connection rejected by server' error.

Configuring Cloudflare's Malware Blocking DNS (1.1.1.1) for DNSTLS (DoT) requests

Learn how to enable DNSTLS requests and use Cloudflare's Malware Blocking DNS (1.1.1.1) to secure your connection against malware and phishing attacks.

Configuring TLS Encryption for RTSP Stream MediaMTX Instance on a Laptop

This article explains how to configure TLS encryption for an RTSP stream MediaMTX instance on a laptop. Learn how to secure your Amcrest IP camera's connection and access its stream server.

TLSv1.0 Unsupported by OpenSSL Client, but Nmap Shows Supported?

While identifying the TLS protocols supported by a web application using OpenSSL client, an unexpected result was observed when comparing it with Nmap's SSL enumeration. This article aims to clarify the discrepancy between the two tools.

VB.NET Application: Selective TLS Connection Fail with Remote Server

A VB.NET application encounters selective TLS connection failures while connecting to a remote server using a username and password. This article provides potential solutions to help resolve the issue.

Enable One-Way TLS with EJBCA and OpenSSL CMP using Command Line

Learn how to enable a one-way TLS connection with EJBCA and OpenSSL CMP command line application. Authenticate the TLS server certificate presented by EJBCA and create a truststore for CMP communication.

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.

How does the browser know that the website is using HTTPS for a TLS handshake to start?

Learn how the browser identifies whether a website is using HTTPS for a TLS handshake to initiate a secure connection. Understand the crucial role of HTTPS and TLS in ensuring secure communication between your browser and the webserver.

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.

Getting SSL/TLS Certificates for SSL Enabled Services

Learn how to obtain SSL/TLS certificates for SSL enabled services. This article provides step-by-step instructions and tips for securing your website or application with SSL/TLS certificates.

Mikrotik: Disconnect TCP Connection - Troubleshooting Guide

Learn how to troubleshoot and resolve issues related to disconnecting TCP connections on Mikrotik RouterOS. This guide provides step-by-step instructions and tips to ensure stable and reliable network connections.

How to disable CBC ciphers in Firefox

Learn how to disable CBC ciphers in Firefox to enhance your browser's security and protect your online activities. This article provides step-by-step instructions on how to modify the cipher settings in Firefox, ensuring a safer browsing experience.

What IP Address is Seen by the Destination Server During SSL Tunneling?

In SSL tunneling, the IP address seen by the destination server is a crucial aspect. This article explores the IP address visibility during SSL tunneling and provides insights into the process. Discover how SSL, tunnels, and TLS protocols impact the visibility of IP addresses in secure connections.