Articles about network | UserComp.com

Reaching Different Docker Containers Behind NAT: A TCP/UDP Communication Approach

Learn how to reach different Docker containers behind a Network Address Translation (NAT) without specifying port numbers using TCP and UDP communication.

Using Wireshark to Catch Students Cheating: A Network Admin's Perspective

In this article, we'll explore how Wireshark, a popular network protocol analyzer, can be used by network administrators to detect students cheating during online exams. We'll discuss the setup and configuration required to monitor network traffic, identify suspicious patterns, and provide actionable insights.

Linux Bridge: Forwarding Specific UDP Messages with iptables for Local Process Correction

In this article, we will guide you through the process of setting up a Linux bridge using `brctl` and using `iptables` to forward specific UDP messages to a local process. We will test the setup on three PCs.

Laptop Not Connecting to WiFi6 Mesh Network: Older Intel Dual-Band Adapter Issue

Experiencing issues with an older Intel Dual-Band WiFi adapter not connecting to a WiFi6 Mesh Network (e.g., Linksys Velop Pro)? Learn about potential compatibility issues and possible solutions.

Cannot See Router IP on Kali Linux VM Machine

Users report difficulties in viewing their router IP address on a Kali Linux VM machine after watching YouTube videos and seeking assistance from AI. This article provides possible solutions to help you resolve the issue.

Troubleshooting Networking Issues in VirtualBox Machines

This article provides solutions to common networking issues encountered while setting up VirtualBox machines on Windows 10.

Cannot Reach Another Computer Via OpenVPN on CentOS: Azure IP Addresses

This article explains how to resolve the issue of not being able to reach another computer via OpenVPN on a CentOS machine with Azure IP addresses for both the CentOS and OpenVPN machines.

Win11 and WinServer Local Network: Randomly Closing Ping Windows

Users report Win11 Pro machines and Windows Server 2019 machines on the same local network randomly closing ping windows. This article provides potential solutions to the issue.

Diagnosing and Resolving Network Latency Issues in Python Applications

Experiencing network delays while processing data in your Python application? Learn how to diagnose and resolve network latency issues for an improved user experience.

Mikrotik Router: Obtaining Public IP Addresses for Connected Devices

Learn how to obtain public IP addresses for devices connected to a Mikrotik router via Ethernet or WiFi. This article covers the process for DHCP-enabled devices and provides troubleshooting steps.

Is the TCPWrapper hosts deny file option correctly configured?

Users have reported issues with the TCPWrapper hosts deny file not functioning as expected. In this article, we will discuss how to check and correct the configuration of the hosts deny file to improve network security.

DNS Reverse Lookup Failed: Timeout Error

Encountering a DNS reverse lookup timeout error? Learn the potential causes and solutions for this issue on various platforms like Linux, Windows, and MacOS.

Network Switch and Router Connection Not Working: A Troubleshooting Guide

Learn how to troubleshoot and resolve common issues with connecting a network switch to a router. Follow our step-by-step guide to get your Wi-Fi and wired connections up and running.

Not getting redirected: Trying to access Apache2 server on Ubuntu 24.04 via VirtualBox - Networking issue

This article discusses a common issue encountered when trying to access an Apache2 server running on Ubuntu 24.04 within a VirtualBox environment. The problem lies in the network configuration, and this article provides a suggested solution.

Not Getting Redirected: Localhost Trying to Access Apache2 Server on Ubuntu 24.04 (VirtualBox)

Users hosting Apache2 server on Ubuntu 24.04, running in VirtualBox, report issues with network redirection. This article offers potential solutions.

Discovering Active Network Connections with PowerShell

Learn how to use PowerShell to discover active network connections on a local or remote system.

Network Manager's IPv4 Routes Creation with nmcli: An Alternative to Manually Deleting Routes

Learn how to create IPv4 routes using Network Manager and nmcli instead of manually deleting routes with ip route command.

Understanding the Difference Between ISO Files for Fedora 40 Server Edition

When planning a development environment project using Fedora 40 Server Edition, you may notice two different ISO file versions. In this article, we'll explain the difference between them.

Understanding Receiver Responses and Broadcast Requests in SPF Config Files

In this tech support article, we will explain the role of receiver responses and broadcast requests in SPF (Sender Policy Framework) config files. We will discuss the importance of checking the state of neighboring machines and provide examples of UDP pass and UDP server lines in SPF files.

Connecting Kalilinux to Internal Network with Pfsense Firewall using VirtualBox: Troubleshooting Home Router Dashboard Issue

Learn how to connect Kalilinux to an internal network using Pfsense firewall in VirtualBox. Troubleshoot common issues like home router dashboard opening instead of Pfsense.

TP-Link Old Router: User Outdoor Extender Works with Channel Auto on Main Router

Learn how to use a TP-Link outdoor extender with an auto channel setting on your main router for optimal signal.

Configure Virtual DHCP Server in ESXi 7.0 using PfSense with a Physical Switch

Learn how to extend DHCP services provided by PfSense to physical devices outside the virtual environment in ESXi 7.0 using a physical switch.

Setting Proxying for Outgoing Traffic on MacOSX: A Tech Support Guide

Learn how to set up proxying for outgoing traffic on MacOSX using the terminal. Follow these instructions to configure your system for improved network security.

VLAN Subnet Architecture: Re-configuring Home Network

Learn about VLAN Subnet Architecture and Design for setting up a home network. This article provides essential information for configuring and optimizing your network.

Setting up NDI local network feed on a Windows 10 computer with two network adapters

Learn how to set up an NDI local network video feed on a Windows 10 computer using two network adapters for segregating video data from internet traffic.

Setting up NDI local network feed with OBS on a Win10 computer using onboard network adapters

Learn how to set up an NDI video feed using OBS and a Magewell NDI decoder on a Windows 10 computer with two onboard network adapters.

AlmaLinux 9.4 Multi-NIC Routing Issue with 'use()' function including redhat CentOS

Users of AlmaLinux 9.4 are encountering issues with multi-NIC routing when implementing the 'use()' function, which is also present in CentOS. This article aims to provide a solution for this problem.

Connecting to Networks: SSID Not Broadcasting on Windows 11

Learn how to connect your Windows 11 device to a network with a non-broadcasting SSID. This step-by-step guide covers the process of enabling advanced network settings and manually connecting to the hidden network.

Encrypt Local Traffic: Setting Up WireGuard for Gateway Services

Learn how to set up WireGuard for secure gateway services, allowing remote access to hosted services on a physical server without exposing them.

ARP Command Doesn't Show Router's Wireless MAC Address

Users often encounter issues when trying to find a router's wireless MAC address using the ARP command. Although the ARP command is effective for displaying MAC addresses on wired networks, it does not show MAC addresses for wireless interfaces. In this article, we will discuss alternative methods for finding a router's wireless MAC address.

ARP Command Not Showing Router's Wireless MAC Addresses

When trying to use the ARP command to display MAC addresses of devices connected to a router via a wireless interface, the command does not show the expected results. Instead, it shows MAC addresses for devices connected via Ethernet or LAN. Here's how to display wireless MAC addresses in Windows.

Enjoy Remote Access with ZeroTier: A VPN-like Solution

Discover how ZeroTier, also known as SDWAN, VLAN, ZeroTrust, Ad-hocVPN, SecureLAN, and Virtual LAN solution, enables remote access and communication between devices as if they were on the same local network.

Sharing VPN Connection from Machine to Local Network

Learn how to share a VPN connection from a machine to a local network. This article provides instructions for setting up a VPN server on a single machine and creating a static address (sta0) for sharing.

Managing IPv6 Addresses in Home Networks: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network, with a focus on practical applications and troubleshooting common issues. This beginner's guide covers managing IPv6 addresses on your WAN and LAN.

Mac Can't Connect to Samba Debian Home Server: Troubleshooting Steps

This article provides a step-by-step guide to help Mac users resolve connection issues when trying to access a Debian home server using Samba. The instructions cover testing Samba configuration and troubleshooting common errors.

Managing IPv6 Addresses in Home Network: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network. This beginner's guide covers the essentials for both WAN and LAN configurations.

Configuring Static IP Addresses: Adding /29 Network with Last Used /30 Subnet

Learn how to add a /29 network with a last used /30 subnet. This tutorial covers the process of configuring static IP addresses in various operating systems, such as Linux, Windows, and MacOS.

WOWLAN and OpenVPN Stop Working Minutes After Connection

Users report that WOWLAN and OpenVPN stop working minutes after establishing a connection on their routers. This issue can occur on various devices, including smartphones and computers, when connecting to a public IP. In this article, we'll discuss possible causes and solutions for this problem.

Enabling Home Network Access with WireGuard and FRITZ!Box using DynDNS

Learn how to set up home network access using WireGuard, FRITZ!Box, and DynDNS for dynamic IP addresses.

Fedora 40 Workstation: Unable to Make EPSON WorkForce PRO WF-6590 Printer Work on Network

Users report that their EPSON WorkForce PRO WF-6590 printer does not work on the network when using Fedora 40 Workstation. This article provides suggested solutions to help you resolve the issue.

Optimizing Simple Network with VNC Remote Control for TP-Link TL-WR741ND and Windows Laptops

Learn how to optimize your network setup by using VNC remote control for managing your TP-Link TL-WR741ND router from two Windows laptops.

Configuring FQDN Filtering on Zyxel ATP700 for Static External IP Subdomains

Learn how to configure FQDN filtering on Zyxel ATP700 for static external IP subdomains. This article provides a step-by-step guide to help you secure your network.

Configuring a Custom DNS Server for WireGuard VPN Clients: Manual Approach

Learn how to configure a custom DNS server for WireGuard VPN clients manually.

VM on Proxmox Single Host with 4-Port Broadcom Network Card: VMs Lose Internet After Service Reload

This article discusses an issue where a VM on a Proxmox single host with a 4-port Broadcom network card loses its internet connection after the network service is reloaded.

Google Cloud Platform: Setting Up on Stack Exchange Network

Learn how to set up and use Google Cloud Platform on Stack Exchange Network, the largest and trusted online community for developers.

Configuring a New Router with Different Networks: One Family, One Guest

Learn how to configure a new router while keeping the existing one connected to different networks for your family and guests.

Configuring Small Networks: Long Distance RDP Connection (100 meters)

Learn how to configure a long distance RDP connection (up to 100 meters) in a small business network environment. Follow this step-by-step guide to optimize your network and ensure smooth remote desktop performance.

Configure VPN to Allow Select Number of Domains, Block Traffic to Everything Else: A Tech Support Guide

In this tech support article, we'll guide you through the process of configuring your VPN to allow access to a select number of domains while blocking all other traffic. This can be particularly useful for enhancing network security and improving overall internet performance.

Adjusting Wireguard TTL Value: A Comprehensive Guide

Learn how to adjust the Time to Live (TTL) value in Wireguard to optimize your network performance. This article covers the steps for Linux, Windows, and MacOS.

Setting up Routings and Subnets for a Novlan Network: Dividing a Physical Network with Different Masks

Learn how to set up routings and subnets for a Novlan network, where one physical network (172.16.28.0) needs to be divided using different masks, and the gateway (172.16.28.1) requires subnet access.

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