Articles about security | UserComp.com | Page [ 10 ]

Enforcing Maximum Authentication Time in OpenSSH Configuration
Enforcing Maximum Authentication Time in OpenSSH Configuration

Learn how to enforce a maximum authentication time limit in OpenSSH configuration to enhance server security. Implementing MaxAuthAge option.

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Experts Discuss Why Some People Discourage Using Tor with VPN
Experts Discuss Why Some People Discourage Using Tor with VPN

Recently, there have been discussions about the use of Tor in conjunction with a VPN. Some experts advise against this combination due to potential security and privacy risks. In this article, we explore the reasons why some people discourage using Tor with a VPN.

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Can Wireshark Be Used to Eavesdrop on Modern Dialer Calls?
Can Wireshark Be Used to Eavesdrop on Modern Dialer Calls?

Learn if Wireshark can be used to eavesdrop on modern dialer calls such as Zoom, Botim, and Snapchat. Understand the limitations and precautions.

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Suspicions of Compromised Network: Ive Got Some Concerns
Suspicions of Compromised Network: Ive Got Some Concerns

Ive noticed some suspicious activity on my network and Im concerned that it may have been compromised. Ive seen multiple IP addresses accessing my system and Im not sure what to do next. If you have any advice on how to investigate and mitigate this issue, Id appreciate your help.

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Safely Storing Environmental Variables: Make Them Invisible on PC
Safely Storing Environmental Variables: Make Them Invisible on PC

Learn about the importance of safely storing environmental variables and methods to make them invisible on PC. Examples include using an .env file and keeping secrets out of code.

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Secure VirtualBox VM Encryption: Is Disked Image Encryption Supported?
Secure VirtualBox VM Encryption: Is Disked Image Encryption Supported?

Learn about VirtualBox disk image encryption, where the encryption key is stored, and if third parties can access your encrypted VM.

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Got WantoCry Virus on Samba Server? Here's What to Do
Got WantoCry Virus on Samba Server? Here's What to Do

Learn how to identify and remove the WantoCry virus from your Samba server. Secure your system and prevent future attacks.

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Encrypting Folder Files using zip.exe: A Step-by-Step Guide
Encrypting Folder Files using zip.exe: A Step-by-Step Guide

Learn how to encrypt folder files using zip.exe on different operating systems. Follow this easy-to-understand guide for Linux, Windows, and MacOS.

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Best Deployment: Execution System for Highly Secure Hadoop Clusters
Best Deployment: Execution System for Highly Secure Hadoop Clusters

A noob Ansible user needs guidance on collecting info on nodes within a Hadoop cluster using long-running Python agents. Code necessary for secure deployment and execution systems is discussed.

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Restricting Users from Specific Domains in QEMU/Libvirt without Polkit
Restricting Users from Specific Domains in QEMU/Libvirt without Polkit

In this article, we will discuss how to restrict users from accessing specific domains in QEMU and Libvirt without using Polkit.

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Enforcing Isolated Logins with Linux Namespaces: A Reliable Way
Enforcing Isolated Logins with Linux Namespaces: A Reliable Way

Learn how to enforce isolated logins for specific Linux users using Linux namespaces and the unshare command. This technique enhances system security by creating a private environment for each user.

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Securely Setting Up DDNS+Port Forwarding on a Home Hosting Website
Securely Setting Up DDNS+Port Forwarding on a Home Hosting Website

Learn how to securely set up Dynamic DNS (DDNS) and port forwarding on your home hosting website. This guide covers the process for forwarding external requests to internal port 80 using port 8080.

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Best Practices: Securely Sharing Passwords in a Work Environment
Best Practices: Securely Sharing Passwords in a Work Environment

Learn the best practices for securely sharing passwords with colleagues in a work environment. Discover simple solutions for new account situations and ensure data security.

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Accessing Multiple OpenVPN Connections with a Third-Party Proxy: A Guide for FooSoft Users
Accessing Multiple OpenVPN Connections with a Third-Party Proxy: A Guide for FooSoft Users

Learn how to access multiple OpenVPN connections using FooSoft and a third-party proxy. This guide covers the necessary steps for users seeking to protect their networks while connecting to various third-party VPNs.

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

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Securing Your ASUS AC1900 Router with Admin Password Protection Against Hackers for Australian Fiber Home Users
Securing Your ASUS AC1900 Router with Admin Password Protection Against Hackers for Australian Fiber Home Users

This article provides instructions for Australian Fiber Home users to secure their mid-range ASUS AC1900 Dual-Band router by setting up admin password protection against potential hackers.

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Hiding Public IP Address with Free DNS for Home Server Network
Hiding Public IP Address with Free DNS for Home Server Network

Learn how to hide your public IP address for home servers using free DynDns. This article covers setting up DynDns for various servers including Minecraft, Git, and Teamspeak, even those running on Raspberry Pi using Docker.

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Hiding Public IP Address with Free Dynamic DNS: A Comprehensive Guide
Hiding Public IP Address with Free Dynamic DNS: A Comprehensive Guide

Learn how to hide your public IP address using free Dynamic DNS services. This comprehensive guide covers the process for various operating systems, including Linux, Windows, and MacOS.

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Using Passkeys in Firefox for Touch Security
Using Passkeys in Firefox for Touch Security

Learn how to use Passkeys in Firefox for enhanced touch security. This article explains the process of trying Passkeys on Github and the Firefox dialog box that appears when using this feature.

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Changing the Screen Time Password on a Mac: Forgotten Password or Admin Access
Changing the Screen Time Password on a Mac: Forgotten Password or Admin Access

Learn how to change the Screen Time password on a Mac when you have forgotten it or need admin access.

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Differences Between debian-security.org and deb.debian.org/debian-security for Debian 12
Differences Between debian-security.org and deb.debian.org/debian-security for Debian 12

This article discusses the differences between using debian-security.org and deb.debian.org/debian-security for Debian 12 security updates.

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Misconceptions About Digital Signatures: Easy Copies and Lack of Verification
Misconceptions About Digital Signatures: Easy Copies and Lack of Verification

Many people hold misconceptions about digital signatures, believing they are easily copied across documents and lack a verification process. In this article, we debunk these myths and explain the importance and functionality of digital signatures.

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Strange Get Request: Understanding the 'rm -rf' Command in a GET Request
Strange Get Request: Understanding the 'rm -rf' Command in a GET Request

Recently, we encountered a strange GET request containing the 'rm -rf' command. In this article, we will explain what this command does and how it can be used maliciously in a GET request.

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Boost Chrome Auto-Complete with Unique Passwords for Multiple Accounts
Boost Chrome Auto-Complete with Unique Passwords for Multiple Accounts

Learn how to increase the number of entries in Chrome Auto-Complete by using unique, long, random passwords for multiple accounts. Store them securely with Google's password manager.

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Bitlocker Automatically Suspending Protection on Non-OS Drives: When to Manually Intervene?
Bitlocker Automatically Suspending Protection on Non-OS Drives: When to Manually Intervene?

Bitlocker automatically suspends protection on non-OS drives during certain system updates. However, users might need to manually intervene to ensure data security. Learn when and how to do it.

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Managing SSH Access: Tips for Monitoring AD Users' External Server Access
Managing SSH Access: Tips for Monitoring AD Users' External Server Access

Learn how to manage SSH access for AD users accessing external servers. This article provides tips for monitoring and limiting SSH connections to enhance security and maintain control over user activity.

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Tech Support: Blocking Users with Different OS and SIM Cards on Windows
Tech Support: Blocking Users with Different OS and SIM Cards on Windows

Learn how to block users with different operating systems (Win10/Win11) and SIM cards on Windows. This article explains how to manage hardware access and secure your system.

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Enabling Special Permissions in Windows Security Tab
Enabling Special Permissions in Windows Security Tab

The user is unable to enable special permissions in the Windows Security tab using checkboxes. They have tried various methods including icacls cmd. Can anyone help?

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Enabling Special Permissions for Basic TD-Agent Security Properties
Enabling Special Permissions for Basic TD-Agent Security Properties

The user is unable to enable special permissions for basic TD-Agent security properties using checkboxes or ICAcl cmd. In this article, we will provide steps to enable these permissions manually.

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Preventing Unsuitable Extension Installations in Your Tech Support Environment
Preventing Unsuitable Extension Installations in Your Tech Support Environment

Learn how to prevent users from installing unsuitable extensions in your tech support environment, ensuring framework security. This includes setting up policies for Visual Studio Code.

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Understanding iptables Results: An Explanation for Tech Support
Understanding iptables Results: An Explanation for Tech Support

This article explains the meaning of iptables results for tech support professionals. iptables is a critical network security tool, and understanding its output is essential for troubleshooting and maintaining system security.

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Suspending Bitlocker: Does Clearing the Key Erase It Permanently?
Suspending Bitlocker: Does Clearing the Key Erase It Permanently?

In this article, we will discuss what happens to the Bitlocker key when you suspend protection and whether clearing the key erases it permanently.

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Adding Regular Chain NFTables: 'Operation Not Supported''
Adding Regular Chain NFTables: 'Operation Not Supported''

This article explains how to add regular chain NFTables with an unsupported operation message.

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Bitdefender Detected Router Trying to Exploit PC: Should You Be Concerned?
Bitdefender Detected Router Trying to Exploit PC: Should You Be Concerned?

Bitdefender, a popular antivirus software, recently blocked an exploit attempt on your PC from a router's IP address. Find out if you should be concerned and the possible reasons behind this.

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Upgrading Linux PAM version 1.5.3 to 1.1.4: Adding Password History and Complexity with Linux PAM Library
Upgrading Linux PAM version 1.5.3 to 1.1.4: Adding Password History and Complexity with Linux PAM Library

This article provides details on upgrading Linux PAM library from version 1.5.3 to 1.1.4 to add password history and complexity. Learn how to use the Linux PAM library to enhance your system's security. Read more for a step-by-step guide.

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Preventing Browsers from Revealing Screen Resolution and Plugin List
Preventing Browsers from Revealing Screen Resolution and Plugin List

Learn how to prevent browsers from revealing your screen resolution and plugin list through fingerprinting techniques and installed extensions.

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Checking Kerberos Access Keytab File: A Tech Support Guide
Checking Kerberos Access Keytab File: A Tech Support Guide

Learn how to check the Kerberos Access Keytab file using command-line tools on various platforms. Get valid service tickets without deploying the service.

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Apache Server Accessible from localhost via VPN, Not Outside
Apache Server Accessible from localhost via VPN, Not Outside

This article explains how to access an Apache server using a VPN connection from localhost while ensuring it remains inaccessible from outside networks.

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Resolving Dir-3040 FTP Server Buffer Overflow Issue
Resolving Dir-3040 FTP Server Buffer Overflow Issue

A user on Reddit reported experiencing issues with the Dir-3040 FTP server running UPnP and Samba. The problem occurred when uploading small files via a USB stick using USB 2.0 port, but no issues were encountered with larger files. This article provides solutions to the Dir-3040 FTP server buffer overflow issue.

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OpenSSL-AES-256-CBC: No Longer Decrypts Secrets Early 2022
OpenSSL-AES-256-CBC: No Longer Decrypts Secrets Early 2022

Users report encryption files saved with OpenSSL AES-256-CBC algorithm are no longer decrypting correctly since early 2022. This issue may affect various platforms including Linux.

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How to Find Out Who Remotely Accessed Your PC
How to Find Out Who Remotely Accessed Your PC

Learn how to identify the person who remotely accessed your PC. This article covers steps for Windows, Linux, and MacOS.

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Identifying DDOS Attacked Docker Process on CentOS 7 TellIP Server
Identifying DDOS Attacked Docker Process on CentOS 7 TellIP Server

Learn how to identify a DDOS attacked Docker process on a CentOS 7 TellIP server. Follow these steps to secure your server and maintain optimal performance.

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TPM-only Bitlocker: Protecting Multiple Hard Drives in Stolen Computer Cases?
TPM-only Bitlocker: Protecting Multiple Hard Drives in Stolen Computer Cases?

Learn how TPM-only Bitlocker works when protecting multiple hard drives on a stolen computer. Find out if Bitlocker encrypts the boot drive as well.

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

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Resolving Kernel Security Check Failure: Windows Update Error 80070BC9
Resolving Kernel Security Check Failure: Windows Update Error 80070BC9

Learn how to resolve the Kernel Security Check Failure error during Windows updates with error code 80070BC9.

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Identifying Corrupt Lines in Armored GPG Payloads
Identifying Corrupt Lines in Armored GPG Payloads

Learn how to identify corrupt lines in armored GPG payloads. Understand the essence of armored GPG text, its 64 character limitation, and techniques to detect and correct errors.

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Parrot Security: Unable to Boot New 6.5 Kernel
Parrot Security: Unable to Boot New 6.5 Kernel

Users of Parrot Security Linux encounter a kernel panic error during boot after upgrading to 6.5 kernel. This article provides suggested steps to resolve the issue.

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Understanding UAC Prompts and Verifying Application Trustworthiness
Understanding UAC Prompts and Verifying Application Trustworthiness

Learn about UAC prompts and how to verify the trustworthiness of applications before granting them permission to run.

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How to Identify and Remove Unwanted Sites from Your Browser on Windows
How to Identify and Remove Unwanted Sites from Your Browser on Windows

Learn how to identify and remove unwanted sites from your browser on a Windows computer. Discover symptoms of browser infections, how to get rid of them, and prevent future occurrences.

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Dell Pre-Installed McAfee Uninstallation Causes Windows Security Issues
Dell Pre-Installed McAfee Uninstallation Causes Windows Security Issues

Users report experiencing Windows security issues after uninstalling McAfee antivirus that came pre-installed on their Dell PCs.

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