Articles about security | UserComp.com

Pre-enrolled Keys and Key Exchange in System Manufacturing

In system manufacturing, pre-enrolled keys and key exchange play a crucial role in securing communication between devices. This article explains the concept of pre-enrolled keys, key exchange, and their significance in ensuring secure communication.

Locking a Windows 11 Parent's Computer: A Tech-Savvy Guide for Non-Tech Parents

A step-by-step guide for non-tech savvy parents on how to lock their Windows 11 computer to keep it clean, fresh, and fast for their children who use Chrome, Firefox, and Office applications.

Pre-enrolled Keys and Key Exchange Keys: Understanding the Difference

In the realm of cybersecurity, pre-enrolled keys and Key Exchange Keys (KEK) serve distinct purposes. Pre-enrolled keys are cryptographic keys that come pre-installed on a system, while Key Exchange Keys are used for secure communication between two parties. This article aims to clarify the differences between these two types of keys and their implications for security.

Are Apps That Request Write-Access to Windows Controlled Folders Considered Friendly by Microsoft?

Microsoft provides a default allowed list for apps that are considered friendly and allowed to request write-access to controlled folders in Windows. Learn about the implications and how to manage this behavior.

Unwanted Remote Access to System: Tackling Tor Service and GitHub Time Command Issues

Learn how to address unwanted remote access issues related to Tor service and GitHub time command init processes.

Greenshot's Old Version of log4net Includes Similar Security Vulnerability

In August 2024, Greenshot, a popular open-source screenshotting program, was discovered to include an old version of log4net, which shares similarities with the infamous log4j vulnerability.

Teltonika Router Gateways: Separate Networks Pingable - Potential Security Issue?

This article discusses a potential security issue when setting up separate networks with Teltonika Router Gateways and their pingability.

SSH Permission Denied (Publickey) Error on AWS EC2: Authorized Keys Modification

When attempting to SSH into an AWS EC2 instance, you may encounter a 'Permission Denied (Publickey)' error. This issue can occur when the authorized_keys file is modified or not properly configured. In this article, we'll guide you through troubleshooting and resolving the SSH permission denied error on your AWS EC2 instance.

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.

Preventing Unauthorized Software Language Changes: A Windows 10 Pro Issue

Learn how to prevent unauthorized software language changes on your Windows 10 Pro system. Follow these steps to secure your settings and maintain control over your applications.

Preventing Microsoft Edge from Constantly Asking for Windows PIN

Learn how to prevent Microsoft Edge from repeatedly asking for your Windows PIN when accessing certain websites.

Forcing HTTPS Traffic with .htaccess: SSL Certificate Implementation

Learn how to force HTTPS traffic on your website using an .htaccess file. This article covers the steps to implement SSL certificates and configure your server for secure connections.

Understanding Snort: Configuring <dir>paths</dir> in Tech Support

Learn how to configure Snort's <dir>paths</dir> in a tech support context. Snort is an open-source network intrusion prevention system (NIPS) and network security intelligence platform for Linux, Windows, and other systems. In this article, we'll walk you through the process of setting up Snort's <dir>paths</dir> for optimal performance and security. Try making this SEO optimized using the given keywords.

Isolating Outward-Facing Server VM from Internal Virtual Machine Cluster

Learn how to isolate an outward-facing server VM from an internal virtual machine cluster using a layer 2/3 network switch for improved security.

IPv6 Firewall Rule: Allowing Public Access to Two Different Web Servers (Ports 80 and 443)

This article explains how to create a firewall rule in Unifi Security Gateway to allow public access to two different web servers using IPv6 protocol and ports 80 and 443.

Understanding KEX Algorithms in sshd_config: Does 'pseudo' Override or Take Effect?

In this article, we will discuss the role of KEX algorithms in sshd_config and clarify the confusion around the 'pseudo' setting.

Cellphone IP Address Exposure: Am I Being Hacked or Just Using Unlimited 5G?

Learn about the potential risks of your cellphone IP address being exposed while using Unlimited 5G on Motorola devices with Consumer Cellular. Find out how to protect yourself from hacking and remote control.

Fighting Nasty Sexual Spam Emails in Gmail for the Past 3 Months

Learn how to effectively manage and configure Gmail's spam filter settings to block unwanted sexual spam emails. This article provides a step-by-step guide to securing your email account and maintaining privacy.

Prevent Local Admin Users from Installing Applications: A Comprehensive Guide

Learn how to prevent local admin users from installing applications on Windows, Linux, and MacOS systems. Discover effective methods for controlling software installation and enhancing your organization's security.

macOS Equivalent to /etc/login.defs for Safer Range Group ID Numbers

This article explains how to find safer range group ID numbers in macOS, an equivalent to the Linux/Unix /etc/login.defs file.

OneDrive Security Risk: Account Sharing and Game Purchases

Learn about the potential security risks associated with sharing a OneDrive account and purchasing games on Microsoft Store using the same account.

Understanding Default OpenDKIM Signature Algorithms

This article discusses the default OpenDKIM signature algorithms and when it might be necessary to use custom algorithms.

Understanding Individual ACE Characters: Basic Permissions

This article explains the meaning of individual characters in Access Control Entries (ACE) for basic file permissions such as 'rwx'. Unfortunately, I couldn't find comprehensive documentation on this topic.

Understanding Encryption Protocols Beyond TLS

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

Multi-hop SSH Tunnel with Two VPS Servers: S1 to S2 Setup

Learn how to set up a multi-hop SSH tunnel between two VPS servers (S1 and S2) using NetModSSH. Secure your local machine's internet access through this tunnel.

Making Home Server Accessible to Internet: Unsuccessful Attempts

This article discusses the unsuccessful attempts to make a home server accessible to the internet despite configuring SSH, enabling firewall rules, and other necessary steps.

Securely Managing Remote Windows Server Tasks: Change Password, Modify Permissions, and Assign Server Permissions

Learn how to securely change passwords, modify user permissions, and assign server roles on a Windows Server remotely using alternative methods to TeamViewer and VNC.

Determining the Need for Patches: Ubuntu 20.04 and the Recent SSH Exploit (CVE-2024-6387)

This article discusses the recent SSH exploit (CVE-2024-6387) and whether Ubuntu 20.04 users need to apply patches based on their OpenSSH and OpenSSL versions.

Invalidating or Pulling Back MS Word Documents Sent via Email Attachment: What to Do?

If you accidentally send a wrong MS Word document attachment via email, you might wonder how to invalidate or pull back the attachment remotely. In this article, we'll explore the steps to take when this happens, and what you can do to protect your original document still saved on your PC.

Google Cloud Security Notification for Maps APIs

Recently signed up for Google Cloud and received a security notification regarding the use of Maps APIs. Here's the email content.

Does Using a VPN Fully Hide Your Identity?

A user named X is under investigation for suspicious or illegal online activity. X uses a short-term, standard VPN to mask their online presence. But does this VPN fully hide X's identity? Let's explore.

Understanding SSH Reverse Tunnels: Finding the Connection Behind Server-Side Commands

In this tech support article, we will explain how to find the connection behind server-side SSH reverse tunnel commands using the 'ssh-R' command and 'ps netstat' commands.

Need Help Reviewing Network Setup for Securing System with Increased Devices

I've tried securing my system due to an increase in the number of devices, but I may have missed some crucial steps. Here's a detailed attempt, but please help me review it for completeness.

Managing Outgoing Connections with Hostnames on macOS using Firewalls like Little Snitch

Learn how to manage outgoing network connections with hostnames on macOS using firewalls like Little Snitch for fine-grained control.

Improving NFS Server Security on a Local Network: A Step-by-Step Guide

Learn how to enhance the security of NFS servers on a local network. This step-by-step guide covers essential configurations and best practices.

Java Application Requires Pinging Third-Party Websites: Squid Proxy Setup with Basic Auth for Enhanced Security

Learn how to set up a Squid proxy with Basic Auth for enhanced security while allowing your Java application to ping third-party websites. This guide covers the necessary steps for configuring Squid and Java.

Windows Defender Antivirus Folder Missing: How to Enable it using Local Group Policy Editor

Learn how to enable the Windows Defender Antivirus folder that is missing in the Local Group Policy Editor using the .bat file and regedit.

Login to Windows using Yubico Security Key (CNFC)

Learn how to use a Yubico Security Key (CNFC) for logging into Windows.

Security Onion VM Not Picking Traffic from Mirrored Ports on Netgear Switch

This article explains how to troubleshoot the issue of Security Onion VM not picking traffic from mirrored ports on a Netgear switch. Learn how to configure the switch and Security Onion VM for proper traffic mirroring.

Setting Read-Only Permissions to Prevent File Modification in Windows 10

Learn how to set read-only permissions for specific files or folders in Windows 10 to prevent unauthorized modifications.

Mac and Old Adobe Flash: Understanding HSTS Behavior in Settings.plist

Users of older Macs (2017) have reported issues with Adobe Flash and its interaction with HSTS settings in the Settings.plist file. In this article, we'll explain what HSTS is, its impact on Adobe Flash, and how to resolve the issue.

Is It Safe to Forward Random Ports to a Nextcloud Server with a Specific MAC Address?

Learn about the risks of forwarding random ports to a Nextcloud server with a specific MAC address.

Adjusting Window's Security Level to Connect to Hotel Wi-Fi

Learn how to adjust Windows security level to connect to hotel Wi-Fi networks with lower security settings.

Can't Find Security & Privacy Settings in MacOS System Preferences for Canon EOS Utility

Users report having trouble locating the Security & Privacy settings in the System Preferences of MacOS Big Sur (11.5) for Canon EOS Utility. Learn how to access these settings.

Blocking Attacking IPs Behind a Webserver

A service page hosted behind an Oracle server has been under attack from specific IP addresses. The Apache logs show the attacking IPs as 201.17.83.xxx and 10.0.1.xxx. In this article, we discuss how to block these malicious IPs to secure your webserver.

Solving Google Drive Sync Issues with Windows Security's Ransomware Protection Feature

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