Articles about network | UserComp.com

Setting up Reverse Proxy across Multiple Devices on Local Network

Learn how to set up a reverse proxy across multiple devices on a local network, including Raspberry Pi and other devices.

IPTables NAT Configuration: Laptop to OrangePi1 to OrangePi2

This article explains how to configure IPTables for Network Address Translation (NAT) to enable communication between a laptop and two OrangePi devices.

WSL Ubuntu on Wi-Fi Hotspot: Unable to Access Local Network from Windows Side

This article provides a solution for users who are unable to access their local network from the Windows side when running a Ubuntu instance as a WSL on a Wi-Fi hotspot.

Configuring Development Environment: Not Reach WebServer on VMs using DNS, iptables rules, forward packets, virtual bridge

In this tech support article, we will guide you through the process of configuring your development environment to reach the webserver on VMs using DNS, iptables rules, forward packets, and virtual bridge. Follow the simplified description below for a top-down understanding of the setup.

Understanding the Difference: Ethernet vs. Type-Ether

In the realm of computer networking, Ethernet and Type-Ether are often used interchangeably, but they have distinct differences that can impact performance. Let's explore the nuances of each.

Windows: Setting up a Game Server - Join via Local IP, not External

Learn how to set up a game server on Windows and join it using a local IP address instead of a public IP.

Troubleshooting 1000Mbps NICs Limited to 40Mbps: A Common Issue with VPNs

Experiencing slow network speeds despite having a 1000Mbps NIC? Learn how to troubleshoot and resolve the issue with VPNs.

Troubleshooting Packet Loss: Analyzing a .pcap File

Learn how to analyze a .pcap file to identify the cause of packet loss in your network. This article provides a step-by-step guide for troubleshooting packet loss issues using Wireshark and other tools.

Port Forwarding with Unmanaged Switch in New House Network

Learn how to set up port forwarding on an unmanaged switch in a new house network. Replace Ethernet cables running from room to room with Wi-Fi in the garage.

Reach Network Devices Via WiFi or Ethernet: A Comprehensive Guide

Learn how to reach network devices using both WiFi and Ethernet connections. This comprehensive guide covers various devices such as Win10 laptops, Fritzbox6590, Cablerouter, SynologyDS218j, and TP-Link powerline adapters.

Mystery of 'Direct-URLAPPYmsQA' Wi-Fi Network on Windows 11 Education

A user running Windows 11 Education on a Framework 16 laptop has reported encountering a mysterious Wi-Fi network named 'Direct-URLAPPYmsQA'. This article aims to provide insights into the origin and potential implications of this network.

Troubleshooting Static Route Issues in Windows

Learn how to diagnose and resolve static route issues in Windows operating systems. This article covers common causes and solutions.

Getting IPv4 Address for Metasploit 2 in VMware: A Step-by-Step Guide

Learn how to get the IPv4 address for Metasploit 2 in VMware when the network Bridge Adapter shows IPv6 for eth0.

Prevent Ubuntu (22.04) from Trying to Autoconnect to New Wi-Fi Networks

Learn how to prevent Ubuntu 22.04 from automatically connecting to new Wi-Fi networks and managing unwanted connections.

Configuring a WIFI-Connected Printer with VM NAT Connection on Windows 10 and Linux Hosts

Learn how to configure a WIFI-connected printer on a Windows 10 VM with a NAT connection to a Linux host running Debian Bookworm and Qemu with Virt-Manager.

IP Address Suddenly Unreachable: Troubleshooting Connection Timeouts

Learn how to diagnose and resolve connection timeouts when trying to reach an IP address on a small website. This article provides steps for IPv4 addresses on Linux, Windows, and MacOS systems.

Router Knows Packets in VM Bridged Mode: Reach VM First?

Understanding whether a router knows packets in VM Bridged Mode and if reaching the VM first is necessary. VirtualBox local network ARP settings and the need for promiscuous mode.

Configure OpenVPN Gateway Server: Home Network to Tunnel Client

Learn how to configure an OpenVPN gateway server to connect a home network to a tunnel client. This step-by-step guide covers the process on an Ubuntu 20.04 server.

Troubleshooting NFTables: Unable to Catch Packets Already Seen on Dell S4810 Switch

This article discusses a common issue with NFTables on a Dell S4810 switch where packets are not being caught even though they have already been seen. Learn how to troubleshoot and resolve this issue.

Understanding TCP Streams: Two Separate Modules for Command Machines

This tech support article explains the concept of TCP streams and how they function in the context of command machines. It covers the two separate TCP modules involved: one that receives commands and another that sends data based on those commands. This article is intended for users with a basic understanding of networking and will provide a brief overview of TCP streams and their importance in managing command machines.

Configuring IPv6 Local Loopback Address: 2a00:da10:f218:9ff0::1/80

This article explains how to configure the IPv6 local loopback address 2a00:da10:f218:9ff0::1/80. Learn how to set up this address on your system and display it correctly.

Configuring Public IPv6 Address 2a00:da10:f218:9ff0::1 for Local Loopback

This article explains how to configure a public IPv6 address (2a00:da10:f218:9ff0::1) for use in local loopback mode, as shown in the provider interface: 2a00:da10:f218:9ff0::1/80. Follow the steps below to set up this IP address for local use.

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.

Does Docker IPs NIC Bridging Work?

Understanding Docker IPs NIC bridging and how it connects two networks. Learn about certain hosts and their roles in this setup.

Network Connectivity: Windows 11 and Windows 10 with Unmanaged 24-port Switch and PlayStation TV

Learn how to connect two Windows PCs to an unmanaged 24-port switch and a PlayStation TV using ports 3 and 4. This article also covers the connection of the router.

Why Does a Virtual Machine Show a Unique MAC Address After Changing Network Settings?

When changing network settings on a virtual machine, the host MAC address may appear instead of the virtual machine's original MAC address. This article explains why this happens and how to resolve the issue.

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.

Network Interfaces Stopped Working after Updating to NetworkManager in Gentoo Linux

Users of Gentoo Linux who recently updated their machines and noticed GNOME pulled in NetworkManager may experience issues with their network interfaces. In this article, we will discuss potential solutions to get your network interfaces working again.

Windows 10 Login Screen Issue: Missing User List Network Icon

Experiencing issues with the user list not appearing on the Windows 10 login screen? Learn how to troubleshoot and resolve this issue.

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.

Wifi Connection Keep Switching: Changing Roaming Aggressiveness Settings

If you're experiencing frequent disconnections while connecting to a specific access point on a public SSID via WiFi, it might be due to the device's roaming aggressiveness settings. In this article, we'll guide you through the process of adjusting these settings on various operating systems.

Understanding IP Addresses: Accessing Hosts in Two Different Subnets

Learn how to grant access to a host with an IP address in one subnet to another host in a different subnet using TCP/IP protocol.

2.4GHz Network Unreachable: How to Access Devices with Continued Get Message

Learn how to access devices connected to a 2.4GHz network despite the 'Continue get message' notification. This article provides a solution for users experiencing issues with multiple devices.

Forwarding NMEA0183 Traffic from One Host to Another on Different Ports

This article explains how to forward NMEA0183 traffic from one host (192.168.11.100) to another (192.168.11.110) using different ports.

Understanding Networking: Sensible Meaning of Hostnames and IP Addresses

In the process of learning networking, I came across some confusing IP addresses and hostnames. Let's clarify the meaning of local IP addresses and hostnames, such as 10.0.0.1 for routers and 172.17.xx.x for computers.

IPTables: NAT Source Address Bridge Interface on Linux

This article explains how to configure IPTables to use a bridge interface as the source address for Network Address Translation (NAT).

Smooth Upgrade Experience with Unifi USG: A New Addition to the Dream Machine

The upgrade process of replacing a specified USG with a new Unifi USG in a Dream Machine setup went smoother than expected.

Clearing the Four Least Significant Bits of a MAC Address for Virtual SSID Setup

Learn how to clear the four least significant bits of a MAC address for setting up a Virtual SSID using hostapd. Follow this step-by-step guide.

Windows 11: Unstable RDP Connections and Network Traffic Cuts (Wired & WiFi)

Users report instability in Remote Desktop Protocol (RDP) connections and unexpected network traffic cuts on their Windows 11 systems, affecting both wired and WiFi connections. Learn how to troubleshoot and potentially resolve these issues.

Troubleshooting 10-Second Wifi Speed Oscillations in Network Setup for Virtual Reality

Users encountering a problem with optimal wireless VR setup may face regular 10-second oscillations in network speeds. This article provides possible solutions to this issue.

Understanding Docker Compose Network Isolation on Linux

Learn how Docker Compose manages network isolation on Linux systems and troubleshoot issues with bridged networks.

NAT Configuration for Multi-OS Network: Linux, Windows, and POS

Learn how to configure Network Address Translation (NAT) for a multi-computer network with a Linux PC, a Windows VM, and a POS system.

Linux: Docker Compose - Zabbix Host Ping: Container Not Responding in Another Bridged Docker Network

In a Docker environment running on a Linux host with two Docker networks, Zabbix fails to ping a container when both containers are in different bridged networks. This article provides an overview and suggested solutions to resolve the issue.

VirtualBox on Ubuntu 22: Bridged Network Issue with Home WiFi via Windows 10

This article provides a solution for users experiencing issues with connecting to Eduroam WiFi using a VirtualBox VM on Ubuntu 22 with bridged network settings and a Windows 10 host.

Windows 11 (ASUS B550M-WIFi) - Realtek NIC Causing Intermittent Internet Disconnects?

Users of Windows 11 on ASUS B550M-WIFi motherboards report intermittent internet disconnects. This issue might be related to the Realtek Network Interface Controller (NIC). In this article, we'll discuss possible solutions.

Setting up Steam on Office Wi-Fi: A Guide to Different Network Configurations

Learn how to set up Steam on Office Wi-Fi networks with different configurations. Testing various network setups can help ensure a smooth gaming experience.

Port Forwarding Works with Wi-Fi: Liberate TCP/UDP Ports

Learn how to set up port forwarding on your Wi-Fi network to access remote computers or services using TCP and UDP ports. Follow these steps to configure your router and secure your connection.

Setting up SSL Certification for a NAS Media Server Inside CGNAT with DNS Access

A NAS (Network Attached Storage) media server running an interface app without security measures can be vulnerable. Learn how to set up SSL certification for a NAS media server inside CGNAT using DNS access.

TCP Server Not Sending ACK Response for PSH, ACK Packets in C++ Linux

While implementing a TCP server socket in C++ on a Linux machine, connected to another device for high-rate data streaming (800Hz), we encountered an issue where the server was not sending ACK responses for PSH and ACK packets. In this article, we will discuss the possible causes and solutions for this issue.

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