Articles about networking | UserComp.com

Discovering Network Devices: Protocols Used and How to Hide Your Device

Learn about the protocols used for network device discovery and how to hide your device from being discovered. This article provides a brief overview of the topic, following the discovery of a Windows 11 instance in a Linux server's BMC interface.

Enabling Communication Between R2 and R1 Routers: A Comprehensive Guide

Having trouble getting your R2 router to communicate with R1? Learn how to resolve static route issues with our step-by-step guide and screenshots. Discover the solution to your networking problem today.

Solving Ethernet Issues: The Role of Ethernet Switches

If you're experiencing Ethernet issues with a router that has four ports, where only one port works while the rest are disconnected and can't be reconnected, consider using Ethernet switches. This article provides a brief overview of Ethernet switches and how they can help solve Ethernet-related problems.

Improving Unreliable Broadband with Airfiber: A Router Solution

If you're experiencing unreliable broadband, consider getting an Airfiber subscription and connecting it to your network using multiple routers and a switch. This solution can improve your connection and ensure seamless internet access.

Network Namespaces Security Issues with Running VPN for Selected Applications

This article discusses the potential security issues when creating network namespaces for running a VPN, such as 'myvpn', for selected applications. Root access and default star namespaces are crucial in ensuring security. Stay tuned for more information on tech support.

Accessing Resources with a Single URL on Two Networks: Home and Wireguard Network

This article discusses accessing resources using a single URL on two networks, specifically focusing on the situation where a user is trying to set up a Wireguard tunnel for home NAT (not static IP access port). The article provides a solution for this issue, making it easier for users to access resources from both networks seamlessly.

Can't Bind WireGuard Connection to a Specific Network Interface in Linux?

Having trouble binding WireGuard connections to specific network interfaces in Linux? Learn about common issues and potential solutions for programmatic WireGuard interface binding.

Understanding IPv4 Packet IHL (Internet Header Length) Total Length Field

The IPv4 packet's Internet Header Length (IHL) field indicates the size of the header. Instead of counting the header length in bytes, it represents it in 32-bit words. This article explains the need-to-know information about this field, including why it is useful to count the header length in two places (IHL and HLEN) for clarity.

Converting WireGuard Docker Setup to Kubernetes: Handshake OK, No Internet Access

Having trouble accessing the internet on WireGuard clients configured for Docker Kubernetes host networking? This article provides a solution to achieve internet access after a successful handshake.

Unable to Capture Remote Client Data: How to Use Socat for Debug Output

Learn how to use Socat to capture remote client data in a verbose debug output mode, running it in the foreground to troubleshoot issues with a remote server.

Prefer Similar IPv6 Source Address for Outbound Connections in Windows 10/11

Learn how to configure Windows 10/11 to prefer a similar IPv6 source address for outbound connections in a multi-homing setup with two IPv6 Global Unicast Addresses (GUAs) and different Internet Service Providers (ISPs) using edge router source-based policy routing. A step-by-step guide is provided to help you optimize your network performance.

Access Remote SSH Tunnel Inside Docker Container for NAT Traversal

Learn how to access a local web server behind a NAT using a remote SSH tunnel inside a Docker container. This tech support article provides step-by-step instructions to help you traverse network boundaries securely and efficiently.

Utilizing Connected Devices' IPs as Static IPs for WiFi Extenders

Learn how to use the IP addresses of connected devices as static IPs for WiFi extenders, improving network connectivity and optimizing your tech support experience. This article provides a step-by-step guide for routers, including Router1 (192.168.1.1) and Router2 (WifiB) connected at 192.168.1.249.

Making a Virtual Internal NAT Switch Work for Hyper-V VMs

Learn how to create a new internal static NAT switch for Hyper-V virtual machines to ensure consistent IP addresses, rather than using the default network switch. Follow the step-by-step guide for a successful setup.

How to Assign a Static IP Address to a VMware Machine for Internet Access

Learn how to assign a static IP address to a VMware virtual machine, ensuring consistent network configuration and internet access. Follow the step-by-step guide for a smooth experience.

Netgear Nighthawk X4S R7800 QoS: Prioritize Specific Device for Large Internet Uploads/Downloads

For users with a single machine on a network that requires large internet uploads and downloads, the Netgear Nighthawk X4S R7800 QoS feature can help prioritize that specific device to ensure optimal performance, even when large transfers are in progress and affecting the internet speed of other devices on the LAN.

Possible Single IPVM Use in Different Networks: A Look into DNS Administration

Explore the possibility of using a single IPVM in different networks, focusing on DNS administration. Learn about network configurations such as office and home IP ranges (10.x.x.x/21 and 192.x.x.x/24) and their impact on IPVM implementation.

How to Open a Port on Mikrotik: A Comprehensive Guide

In this article, we will guide you through the process of opening a port on Mikrotik. We will cover the steps to set up Chain, Protocol, DstPort, and Action in the NAT section. By following this guide, you can easily forward ports on your Mikrotik router.

Enabling Communication Between Two Subnets in a Home Office: Connecting Two Routers

This tech support article provides a solution for users who have two routers in their home office and want to allow devices connected to each router to communicate with each other. Learn how to connect two subnets and enable seamless communication between devices.

Put Router as DHCP Server for Computers and Modem to Keep 192.168.0.x Addresses

Experiencing occasional internet provider issues resulting in a modem DHCP server leaving computers without local network addresses? Consider putting your router as the DHCP server to keep stable 192.168.0.x addresses for your devices. This simple change can help resolve the issue and provide a more reliable network environment.

How to Configure Remote IP for Port Forwarding to Access Local Server on Public IP

Learn how to configure the remote IP for port forwarding to access a local server using a public IP. This guide provides step-by-step instructions for setting up port forwarding fields to allow remote access to your local server.

Automatically Restart SSH Tunnel for Seamless Connectivity in Coffee Shops and Beyond

Stay connected to your database time with ease, even in coffee shops, by leveraging USB connections from your iPhone to your Mac for unlimited 5G. Learn how to automatically restart SSH tunnels for a seamless experience.

Definition of Circuit in Computer Networking

This article defines the term 'circuit' in the context of computer networking. Learn about circuits and their role in computer networks. For more detailed information, check out our tech support site.

Route Traffic through Wireguard Tunnel on Mikrotik RouterOS

Having trouble routing traffic through a Wireguard tunnel on your Mikrotik RouterOS? This article provides a solution to initial data of network structure 192.168.1.0/24. Learn how to properly configure your Mikrotik router to route traffic through a Wireguard tunnel.

Connecting Two Devices in Different Subnets: A Tech Support Guide

Learn how to connect two devices that exist in different subnets, including a solution using iptables' NAT configuration. This guide provides a concise and SEO-optimized overview of the problem and solution.

Fixing Proxmox 8.2.4: Ping Failure to LXC/MQTT Broker on VLAN 30

In this tech support article, we will tackle a common issue where a ping request from a Proxmox 8.2.4 host fails to reach an LXC or MQTT broker on VLAN 30, while other devices on VLAN 10 and VLAN 30 are reachable. Let's dive into the possible causes and solutions.

Enabling NGINX to Access Local Network Resources via VPN

Looking to allow NGINX to access local network resources via VPN? Learn how to set up secure and efficient access to your internal network, including websites, the Internet, and other accessed local network. This guide will help you configure NGINX with popular VPN clients like BitWarden and beyond.

Can't Reach Another Computer via OpenVPN on CentOS (Azure IP: 10.5.0.4, OpenVPN IP: 10.6.0.4)

Having issues reaching another computer via OpenVPN on your CentOS machine with Azure IP 10.5.0.4 and OpenVPN private address 10.6.0.4? This article provides a possible solution for connecting your networks. Read more to learn how to troubleshoot.

Exposing Docker Container to External Networks on Ubuntu 22.04.3 LTS

Learn how to make a Docker container with exposed ports available to external networks on Ubuntu 22.04.3 LTS. This tutorial will guide you through the process of using curl to check for user authentication and configuring Docker networking.

NMAP Says Host is Blocking Ping Probes: Here's How to Fix It

If you're running NMAP with the -A and -vvv flags and getting a message that says 'Host seems to be really blocking ICMP echo probes, try -Pn', it means the host you're scanning is blocking ping probes. Here's how to resolve the issue and get the information you need using NMAP.

Setting Up Ethernet Switches in Dormitories: How to Register Device MAC Addresses

Living in a dormitory and need to set up an Ethernet switch? Learn how to register device MAC addresses to connect to the dormitory network. Follow our step-by-step guide for a smooth networking experience. #EthernetSwitches #MACAddresses #TechSupport

Setting Up a Mikrotik Router as an Acting Switch with WiFi Enabled

Learn how to set up a Mikrotik router as an acting switch, with WiFi enabled. Connect the new Mikrotik router to the first one, and configure it for seamless networking. Improve your network's capabilities and expand your WiFi coverage with ease. Read more to get started.

Weird BitTorrent Peer Behavior: No Percentage or Client ID

When downloading torrents, you might encounter peers without percentage or client ID information. This can be unusual and might affect your download speed. Here's a glimpse at what this means and how to handle it.

Understanding NAT Masquerading in iptables: A Comprehensive Guide

This article provides a comprehensive overview of NAT masquerading in iptables, explaining its behavior as Symmetric NAT and its significance in networking. Learn how to optimize your tech support skills with this essential guide.

Connecting Remote Local Network Devices Connected via VPN on Windows 11

In this tech support article, we will guide you through the process of connecting remote local network devices connected via VPN on a Windows 11 computer. Learn how to access your Ubuntu computer through SSH or VNC over a VPN connection. Follow our step-by-step instructions to ensure secure and seamless remote access.

Setting Direct Ethernet Cable Connection between Two Ubuntu 22.04 PCs for SSH

This article provides steps to establish a direct Ethernet cable connection between two computers running Ubuntu 22.04, allowing SSH access from one computer (client) to another (server).

Setting Up Network with Two Routers: ISP-Provided GXTitanium-2122A and Bought TP-Link Archer C1200 for OpenVPN Server

This article provides a guide on setting up a network with two routers: an ISP-provided GXTitanium-2122A and a bought TP-Link Archer C1200 for OpenVPN server capabilities. The tutorial includes port forwarding on the ISP-provided router for optimal connectivity.

PF Sense UPnP Service: Work Minutes with Enabled Devices

This article discusses the UPnP service in PF Sense 2.7.0 and the time it takes to work with enabled devices. The article includes a command output example and its interpretation.

Understanding the Difference: Public NTP vs NTP Pool

This article explains the difference between Public NTP and NTP Pool, two popular sources for Network Time Protocol (NTP) servers. While Public NTP servers are individual servers not affiliated with large organizations or governments, NTP Pool is a decentralized pool of servers. Understanding these differences can help you make informed decisions when choosing an NTP server.

Libvirt Bridging Not Working: No Layer 3 Connectivity for VMs

Experiencing issues with Libvirt bridging not providing Layer 3 connectivity for your VMs? Learn how to troubleshoot and resolve this common problem.

Setting up Home Networking with Raspberry Pi Router for Kubernetes Lab

Many computer enthusiasts aim to convert their home labs for experimentation running Kubernetes. This article explains how to set up a home networking solution using a Raspberry Pi 5 (RP5) as a router with Ubuntu, MacMini with Talos Linux, and an AMD PC with Talos.

Setting Up a Network Lab Router using Ubuntu Server and VirtualBox 7

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