Articles about network | UserComp.com

Troubleshooting Home Network Connection Issues with Netcat

Experiencing connection issues in your home network? This article explores using Netcat to troubleshoot and debug UDP specific port connections between two machines, providing a concise and SEO-optimized summary.

Monitor Internet Traffic from/to Android Device using Linux (Desktop)

Learn how to monitor internet traffic from/to an Android device that's connected to your Linux computer. This guide will walk you through the process of using tools like tcpdump to analyze the network communication between your Android device and a web server.

Setting up WireGuard VPN for Oracle Cloud to Access Local Resources Behind a CGNAT Network

Learn how to set up WireGuard VPN to access local resources behind a CGNAT network on Oracle Cloud. This guide provides a step-by-step process for configuring the VPN and connecting to the Oracle instance.

How to Change MAC Address on Multiple Cloudflare 300 Clients Facing Network Connection Issues

Explore the step-by-step guide to change the MAC address on multiple Cloudflare 300 clients facing network connection issues. Learn how to modify the MAC address on Linux, Windows, and MacOS devices, and improve the network performance.

Determining If One IPv4 Address Is Visible from Another in Networking

Learning TCP/IP networking can be tricky, and understanding whether one host can reach another is crucial. This article provides an overview of how to determine if an IPv4 address is visible from another in a network.

Understanding Linux Loop-back Internal Traffic Destined for NATed Public IPs

In this tech support article, we will discuss the concept of loop-back internal traffic originating within a server (not LAN servers) and destined for NATed public IPs, particularly in the context of cloud VMs with public IPs provided by cloud vendors. Learn how to manage and optimize this internal traffic for improved server performance.

Understanding Access Point Layers: Layer 1, 2, and Beyond

Access points are a crucial part of any wireless network. They operate on different layers of the networking stack to provide reliable and efficient connectivity. This article will delve into the workings of access point layers, specifically focusing on Layer 1, Layer 2, and beyond. We'll explore how these layers affect the performance and capabilities of access points, and discuss how they can be optimized for different use cases. If you're interested in networking and wireless technology, this article is a must-read.

External Port Checking Services Claim Port Closed Even Though Opened: Fritz!Box 7590 and GTA Online Case Study

Experiencing issues with external port checking services claiming a port is closed, even when it's opened on your Fritz!Box 7590 for GTA Online? Learn more about this common problem and possible solutions in this tech support article.

7-Day Average CPU/RAM Usage for Fortigate Machine: A How-To Guide

Learn how to create a 7-day average usage report for your Fortigate machine's CPU and RAM. This step-by-step guide will help you manage your Fortigate device more effectively. Improve your network security and optimize performance with the right data.

Share Internet Connection from Desktop to Android Phone: No Root Required

Learn how to share your desktop's internet connection with your Android phone without needing to root your device. Get detailed instructions for Linux, Windows, and MacOS systems.

Improve Wi-Fi Speed with Wired Wifi Extender - Up to 600Mbps

Enhance your Wi-Fi speed with the Wired Wifi Extender - Booster 1200Mbps DualBand (5GHz/2.4GHz). Connect the extender directly to your main router via a wired LAN port for a significant speed boost of up to 600Mbps. Perfect for improving connectivity and reducing interference. Read more to learn how this tech support solution can benefit your home or office network.

Setting Up a Permanent Network Bridge Between Two PCs on Windows 11

Learn how to create a permanent network bridge between two PCs on Windows 11, allowing them to communicate directly via Ethernet. Follow the step-by-step guide for easy setup.

Review of DNS Concepts: Inaccuracies in Diagram of Recursive DNS Query

While reviewing DNS concepts, I came across a diagram of a recursive DNS query that seems inaccurate. This article will discuss the understanding of DNS, root name servers, TLD name servers, and how the diagram does not accurately represent the process.

Is Your Device Thinking the Client Subnet is Virtualized? A Possible Trick!

In this tech support article, we explore the possibility of a physical device thinking that a client subnet is virtualized. If you're a software engineer with basic networking skills, this guide can help you understand the issue and find a potential solution. Read on to learn more!

Troubleshooting Network Media Converter Issues in Small Buildings

Having trouble setting up a Cat5e modem/router 75ft away from a fiber connection in a small building? Learn how to troubleshoot network media converter issues for a smooth and fast internet experience.

Setting Up a 1Gbps Ethernet Connection in a Small Building: A Guide

Learn how to set up a 1Gbps Ethernet connection in a small building using a Cat5e modem/router and fiber, optimized for SEO.

Block DHCP Ports on Two Routers for Wireless Bridge Connection

Learn how to block DHCP ports on two routers to establish a secure wireless bridge connection. Improve network security by following these steps.

Extract Domain Name from DNS Packet in a Network Format - Tech Support

Learn how to extract the domain name from a DNS packet in a network format using a netfilter kernel module. This tutorial focuses on parsing the QNAME field of the DNS packet following RFC 1035 standards.

Dnsmasq Reads /etc/hosts, Ignores addn-hosts Configuration - Tech Support Site

Having trouble with Dnsmasq ignoring your addn-hosts configuration on a Fedora 39 machine with NetworkManager plugin installed? Here's the solution.

Troubleshooting Docker Timeout Port 53 Issue After Switching ISP

Learn how to troubleshoot Docker timeout port 53 issue after switching to a new Internet Service Provider (ISP) on your Synology NAS. This guide provides steps to diagnose and resolve the problem.

Configure OpenVPN Client with Custom Routes

Learn how to set up custom routes in OpenVPN client when connecting to a server that you cannot change the configuration. This guide will help you understand how to use route-up, route-pre-down and ifconfig-remote scripts for successful connection.

Troubleshooting Networked Hard Drive Connection via Samba Share on ASUS Router

Experiencing issues when connecting a shared network hard drive to Windows machine or MacBook through Samba share on ASUS router? Learn how to troubleshoot and resolve the problem with ease.

Hostnames Resolved to Incorrect IPs in WSL: A Troubleshooting Guide

Learn how to resolve issues with hostnames being incorrectly mapped to IP addresses in the Windows Subsystem for Linux (WSL). Follow this guide to diagnose and fix the problem.

TrueNAS Sends Name Server Request Every Second: What's Going On?

Experiencing high DNS traffic due to frequent name server requests from TrueNAS? Learn about the possible reasons and solutions. Read more on our tech support site.

Troubleshooting Slower-than-Expected Galaxy S23+ WiFi Speeds with 5GHz WiFi 6 and 1Gbps Fiber

Experiencing slower-than-expected WiFi speeds on your Galaxy S23+ when connected to a 5GHz WiFi 6 network with a 1Gbps fiber connection? This article offers tips and tricks for troubleshooting and improving your network performance.

Troubleshooting Host Name Lookup and DNS Resolution on Tech Support Sites

Having trouble connecting to a public WiFi network due to host name lookup and DNS resolution issues? Learn how to troubleshoot these common problems on Linux, Windows, and MacOS tech support sites. Optimize your SEO with keywords such as public WiFi, host name lookup, DNS, and network issues. Read more to learn more about this tech support topic.

SMB Connection Devices Network Slow: Fix Slow Shared Folder Access on Windows

Experiencing slow shared folder access when connected to a modem/router combo on the same network? Learn how to troubleshoot and fix the issue with SMB connection devices network slow on your Windows machine. Read more to find out.

Troubleshooting Git Config on Mapped Network Drive in Windows 10

Having trouble with Git command line program in Windows 10 continuously loading config file from a mapped network drive? Learn how to troubleshoot and resolve the issue here.

Understanding Stateful Forwarding Rules in iptables for Bridge Device Setup

This article provides an overview of stateful forwarding rules in iptables, specifically for a bridge device IP link setup. Learn how to create a bridge device, add a IP link, and configure stateful forwarding rules for improved network security and functionality.

Sharing Ethernet Internet Connection via WiFi Hotspot on a Windows PC without a WiFi Card

Learn how to share your Ethernet internet connection via a WiFi hotspot on a Windows PC, even if it doesn't have a WiFi card. This tutorial covers using USB tethering (RNDIS) to enable WiFi hotspot functionality.

How to Assign Static IP Address to PC using Zyxel Router on 2.5 GHz Band, Not 5 GHz

Learn how to assign a static IP address to a PC using Zyxel WiFi router with 2.5 GHz band, and not the 5 GHz band. Follow these step-by-step instructions for seamless network configuration.

How to Troubleshoot Drag and Drop Network Graph Coordinate Issues

If you're having trouble getting coordinates when using the drag and drop feature on your network graph, this article will guide you through the troubleshooting process. We'll cover common issues and provide solutions to help you get the information you need. Read more to learn how to resolve these issues.

Can't Life Get Networking Work with Linux Kernel and Busybox? (QEMU/KVM)

Having trouble getting networking to work with a lab system consisting of Linux kernel and Busybox under QEMU/KVM? This article provides a brief overview of potential solutions to help you get up and running.

Understanding NFS4 Client Calls: Different Number of Calls for the same command

This article provides an overview of NFS4 client calls and why they might make a different number of calls for the same command. We will explore a real-world scenario using Ubuntu 16.04 and 22.04 virtual machines in VMware with NFS shared directories. Learn more about this topic and how it impacts your tech support. Read on!

How to Specifically Configure Multiple Network Interfaces in bhyve Virtual Machine

In this tech support article, we will discuss how to specify and configure multiple network interfaces for a bhyve virtual machine. This process involves modifying the virtual machine's configuration file and adding the appropriate network device entries. Follow the step-by-step guide to enable multiple network interfaces in your bhyve virtual machine.

Analyzing Network Traffic of an IoT Device on a DD-WRT Router

Learn how to analyze the network traffic of an IoT device connected to a DD-WRT router using a Windows machine and Wireshark. This guide will help you understand the data flow of your Espressif device and improve your network security. Read more to get started.

Can't See Computer Network in File Explorer on Windows 10

Having trouble viewing your computer network in File Explorer on Windows 10? This article provides a potential solution to help you troubleshoot and fix the issue.

Debugging IPv6 Routing with Multiple Interfaces on a Linux Server with IPSec (Libreswan) Installed

Having trouble getting IPv6 routing to work on your Linux server with two NICs and Libreswan IPSec installed? This article will provide tips and insights on how to debug and resolve the issue, ensuring your VPN works seamlessly across both networks.

Understanding Windows 10 QoS DSCP Values for Data Prioritization

Learn about Quality of Service (QoS) scheduling function in Windows 10 that affects data prioritization and scheduled processing through network interfaces, and how Differentiated Services Code Point (DSCP) values play a crucial role in optimizing network performance.

How to Redirect IPsec Tunnel Endpoint Public IP for Remote Subnet Access

Learn how to redirect IPsec tunnel endpoint public IP for remote subnet access. Having trouble accessing a remote subnet through an IPsec tunnel using a non-internet IP address? This guide will help you set up a redirect to access it via the public internet.

Change Default Account Windows Uses for Connecting Network Shares (Samba)?

Learn how to change the default account Windows uses for connecting to network shares using Samba. Security practices suggest avoiding blank passwords and using local admin accounts for elevation.

Understanding the Difference Between 10 Mbps, 100 Mbps, and 1000 Mbps (BASE-T) TCP Handshake and Physical Differences

This tech support article explains the differences between 10 Mbps, 100 Mbps, and 1000 Mbps (BASE-T) TCP handshake and the physical differences, specifically the use of 8P8C (RJ45) pins. Learn about the advantages of faster connections and how to upgrade your network.

Understanding the Difference between 100Mbps and 1000Mbps Ethernet Speeds during INITIALIZATION

This article explains the physical difference between 10Mbps, 100Mbps, and 1000Mbps Ethernet speeds during INITIALIZATION. While 10Mbps and 100Mbps do not utilize all 8 pins in the RJ45 connector, 1000Mbps, also known as BASE-T, uses all 8 pins. Understanding these differences is crucial for optimizing network performance and compatibility.

Enhancing Intel i210 Network Card Performance with Static IRQ Affinity on Linux

Learn how to improve the performance of your Intel i210 network card by spreading IRQ handlers across the first four cores of your system using static IRQ affinity on Linux. A must-read for those seeking to optimize their Linux hardware setup.

Preserve Incoming Interface Answers on OpenWrt Router: A Comprehensive Guide

This article provides a step-by-step guide to preserving incoming interface answers on an OpenWrt router, specifically for three interfaces: br-lan, IP 172.16.21.1 for LAN network (172.16.21.0/24), eth1, IP 172.16.22.2 for WAN network (172.16.22.0/30) for Internet access. Learn how to configure your OpenWrt router to maintain interface answers for optimal network performance.

One Printer, Two WiFi Extenders, and a Wired Network: Tech Support for Your 1970s Bungalow

Having trouble reaching every corner of your 1970s bungalow with your ISP-supplied wireless router? This tech support guide covers how to set up one printer and two WiFi extenders to create a stable and reliable network throughout your entire home. Learn about the benefits of a wired network, the best placement for your WiFi extenders, and how to connect your printer to your new network. Say goodbye to spotty connections and unreliable WiFi with this comprehensive guide.

Ethtool OpenWRT: Troubleshooting LAN Port Recognition Issues in Mixtile Cluster Box

This article provides a brief overview of a common issue encountered when using an OpenWRT-based computing cluster named Mixtile Cluster Box. Specifically, it addresses the problem of eth0, a 1 Gbps Ethernet port, not being recognized when connecting to the outside world. Suggested solutions and steps for further investigation are outlined, utilizing tools such as ethtool and other OpenWRT configurations.

How to Route LAN Users on CentOS 7 to Use IPPBX through eth1

In this tech support article, we will guide you on how to route LAN users with an IP address range of 10.70.100.0/24 to use the IPPBX through eth1 on CentOS 7. Follow the step-by-step instructions to configure your network settings and enable seamless communication.

Enabling Communication between Two Vagrant VirtualBox VMs for a Small K3s Cluster Setup

This article provides a solution for enabling communication between two Vagrant VirtualBox VMs, which is essential when setting up a small K3s cluster and running Ansible setup scripts. The article includes SEO-optimized keywords and encourages the audience to read more for tech support.

Encountering Strange Extra IPv6 Addresses on Your Local Network

If you're running a DHCPv6 server on Windows Server 2008 R2 and have several computers on your LAN using both IPv4 and IPv6, you might encounter strange extra IPv6 addresses. Here's what you need to know.

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