Articles about networking | UserComp.com

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.

Discovering Active Network Connections with PowerShell

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

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.

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.

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.

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.

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.

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.

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

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

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.

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.

Understanding the Basics of Circuits in Computer Networking

When researching the term 'circuit' in the context of computer networking, it's common to come across the term 'circuit switching'. However, what exactly is a circuit in networking? In this article, we'll provide a clear definition and explanation.

Creating a Bridge Firewall with DSA Switch: A Successful Attempt?

Learn how to create a bridge firewall using a DSA switch. Discover the steps to successfully configure this setup and secure your network.

OpenWRT: Rewriting Destination IP Address for Local Server on Network LAN

Learn how to rewrite the destination IP address for a local server on a Network LAN using OpenWRT.

RJ-45 Port Issue: One Device Not Connecting

Experiencing connectivity issues with one device connected via an RJ-45 port? Learn how to troubleshoot and resolve the problem.

Unreachable Endpoints in Cilium Kubernetes: Nodes Specific Issue

This article discusses the issue of unreachable endpoints in a Cilium Kubernetes cluster on specific nodes. It covers possible causes and solutions to help you resolve the issue.

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.

Configuring User Accounts to Access Wi-Fi on Ubuntu 24.04 Computers in a Lab

Learn how to configure user accounts to access Wi-Fi on Ubuntu 24.04 computers in a lab while restricting their network access to specific networks.

Strange Reverse Proxy Behavior with Homebox and PFSense: A Tech Support Nightmare

A user describes experiencing strange reverse proxy behavior while using a Homebox and PFSense setup for their host servers. Ports 80 and 443 are forwarded via NAT translation, but the user is encountering issues. In this tech support article, we will explore possible causes and solutions to help the user resolve their reverse proxy woes.

Setting up Routing on a Windows Machine with One Ethernet Card and Access to Two Networks (Internet and Private)

Learn how to set up routing on a Windows machine with one Ethernet card and access to two networks - the internet and a private network.

PC Connected to Router (Fiberhome HG6245D) via RJ-45 Ethernet Cannot Ping Devices Connected Router via Wi-Fi

Users report an issue where devices connected to a Fiberhome HG6245D router via Wi-Fi cannot be pinged from a PC connected to the router using an RJ-45 Ethernet cable.

Win11 Desktop: 10Mbitps Auto-Negotiation Fails to Connect to 1Gbitps Link

A Windows 11 desktop fails to maintain a stable connection when using auto-negotiation for a 1Gbitps link, instead connecting at only 10Mbitps. This article provides solutions to help resolve the issue.

Windows 11 Support for Static Pretty Hostnames: Similar to SystemD's hostnamectl Command?

This article explores whether Windows 11 supports static pretty hostnames, similar to how Linux-based operating systems handle hostnames using the SystemD hostnamectl command.

4G Router: Static Routing Without Gateway

Learn how to configure static routing on a 4G router without using a gateway. This article provides instructions for setting up routing between two Ethernet ports on a single server machine.

Mac Changer Fails to Work: Network Interface Name Changed Successfully on Debian 12.6 (64-bit)

Users of Debian 12.6 (64-bit) have reported issues with Mac Changer, a utility used to change MAC addresses. Despite a successful name change, the Mac Changer fails to function. This article offers potential solutions to resolve the issue.

Display Wireless Network ESSID using 'iwconfig' command in Tech Support

Learn how to display the Essential Service Set Identifier (ESSID) of a wireless network interface using the 'iwconfig' command in Tech Support.

Configuring Source NAT for Multi-Interface Systems: Specify Different Source Addresses

In this tech support article, we will guide you through the process of configuring Source NAT for a system with multiple interfaces, each having different source addresses. We will explain how to set up masquerading for public and private IP addresses.

Configuring Ping Pong Link Device via NAT with Two Routers

This article explains how to configure a Ping Pong link device via Network Address Translation (NAT) with two routers. One router is connected to the Internet with a WAN IP, while the other router connects to the first one via the WAN interface. Learn how to set up DHCP and configure the NAT settings for successful communication between the two routers.

Understanding Network Patch Cables: A Closer Look at a CAT6 EIA/EIA-568B0.72M Patch Cable

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