Articles about net | UserComp.com

Debian Apache2 Host with Three Virtual Hosts: Accessing Virtual Host Pages from Another Device Network

This article provides a solution for accessing virtual host pages served by an Apache2 web server running on a Debian host from another device connected to a different network.

NFTables: Using Ethereum Addresses for Forward Chain Filtering

Learn how to use Ethereum addresses for filtering traffic in NFTables, a next-generation firewall technology.

NIC Intermittently Receiving Many Duplicate TCPACKs: Troubleshooting HTTP Traffic Spikes

Experiencing intermittent spikes in response time for HTTP() traffic over WiFi? Learn how to identify and resolve the issue of your NIC receiving many duplicate TCPACKs.

Access Home Network Behind CGNAT with Nested Wireguard Tunnels

Learn how to set up nested Wireguard tunnels to access your home network behind a CGNAT (Carrier-Grade NAT) using a VPS.

Archer AX50 Router Not Working: Troubleshooting Steps for Hardware Version v1.0, Firmware Version 1.0.9

Experiencing issues with your Archer AX50 Router running on Hardware Version v1.0 and Firmware Version 1.0.9? This article provides a step-by-step guide to help you troubleshoot and resolve the problem.

Preventing Pinging of Docker Container with WireGuard Client in Network Lab

Learn how to prevent pinging of a Docker container running a WireGuard client in a network lab environment. This article provides step-by-step instructions for configuring the Docker network settings and WireGuard client to block incoming ICMP requests.

Windows GUI10 Update Destroys Internet Connections

Users report that updating to Windows GUI10 results in destroyed Internet connections. Microsoft's latest update seems to be the culprit.

Setting Up Two Isolated Networks with ZTE F6600 Router: Linux Server Connection

Learn how to set up two isolated networks using a ZTE F6600 Router and connect a Linux server. Follow this guide for a seamless networking experience.

Fixing Incorrect IP Address Assignment on Samsung Galaxy A54 with Android 14

Learn how to resolve network issues causing incorrect IP address assignment on Samsung Galaxy A54 running Android 14.

Ethernet Recognition Issue via USB-Hub: Connecting Laptop to Internet

Experiencing issues with your laptop recognizing an Ethernet connection when using an external USB-hub? Learn how to troubleshoot and resolve this common problem.

Windows File Transfer Consuming Excessive Network Bandwidth: Solutions

Learn how to resolve Windows file transfer issues that consume excessive network bandwidth. Discover effective solutions and optimize your file transfer experience.

Failed to Activate Online: systemd-networkd-wait-online.service on Raspberry Pi OpenMediaVault

While setting up a new home server using a Raspberry Pi 4 and OpenMediaVault 6, I encountered an issue with the systemd-networkd-wait-online.service. This article provides a suggested solution to help activate the online service.

Network Manager Created Default Wired Connection: Wired-1

The log file shows that Network Manager on a Linux system has created a new default wired connection named 'Wired-1'. This article explains what this means and how to manage your network connections.

Devices Not Connecting to Ethernet: Troubleshooting Switch Ports on Cisco Router

Learn how to troubleshoot and manage switch ports on a Cisco router when standard computers fail to obtain IP addresses via DHCP.

Rogers Deprecates Old Coax TV System: What Does It Mean for Your Household Network?

Rogers cable company recently deprecated its old coax TV system. Learn what this means for your household network and how to save your existing setup.

Firefox Can't Reach 'mdns.local' Names with Two Labels (Local Fake Subdomains)

Users report that Firefox cannot reach hosts named 'mdns.local' with two labels, such as 'myservice.local.extra.local'. Chromebased browsers have no issues with these names. Firefox only supports reaching hostnames.local extra.local names, like'myservice.local'.

Windows Computer: Gaining SSH Access Outside Local Network Using PowerShell

Learn how to set up SSH access for a Windows computer outside a local network using PowerShell and automatic port forwarding.

Creating a State Machine in VB.NET for a Decision Flow Windows Form App

Learn how to create a State Machine in VB.NET for a decision flow Windows Form application.

Using Static Routes to Connect Two Routers: A Tech Support Guide

Learn how to set up static routes to connect two routers. This tech support guide covers the process for routers R1 and R2, where R1 is connected to the internet with IP 192.168.10.1 and subnet mask 255.255.255.0, and R2 is connected to R1's LAN port and R1's WAN port.

Avahi: Setting the Visibility Duration of Local Domains on Linux Devices

Learn how to set the visibility duration of local domains on Linux devices using Avahi. This includes instructions for devices running Linux and Android with Termux.

Ubuntu Server on Raspberry Pi 4: Layer2 WiFi-Eth Bridge Not Forwarding DHCP Requests

This article discusses a common issue with setting up a Layer2 WiFi-Eth Bridge on Ubuntu Server running on a Raspberry Pi 4, where DHCP requests are not being forwarded.

Sharing Internet Connection Remotely: ISP Tips for Slower Connections

Learn effective methods to share an internet connection remotely across cities, states, or countries with your Internet Service Provider's assistance. Addressing slow or inferior connections.

Setting up Dockerized WireGuard with Custom DNS in Multi-Lab Environment

Learn how to set up Dockerized WireGuard with custom DNS in a multi-lab environment. Create a host network and assign IP addresses to each lab.

Determining If Your ISP Sees Your Website-Based VPN Usage: A Traceroute Guide

Learn how to use traceroute to determine if your ISP can see your website-based VPN usage. This step-by-step guide covers the process for both Windows and Linux systems.

Ethernet vs Wi-Fi: Connecting Multiple Devices with Cables

Learn the differences between Ethernet and Wi-Fi connections when it comes to connecting multiple devices. Discover the advantages and disadvantages of each technology.

Understanding PPPoE Ethernet Connection for Dial-up Routers

Learn how to set up a PPPoE Ethernet connection for your dial-up router. This article explains the differences between a dial-up router that doesn't need a broadband connection and one that does, and guides you through the process.

Dialing Router: Creating a Broadband Connection for Your PC

Learn how to create a broadband connection for your PC using a dialing router. This guide covers the process for both scenarios: when the router doesn't need to create a broadband connection and when it does.

Windows 11 Host: Random Network Waking from Sleep with Hyper-V Running

This article discusses an issue where a Windows 11 host, with a wired ethernet connection and Hyper-V installed, randomly wakes up from sleep, disrupting the network. We'll explore potential causes and solutions.

Understanding IPv4 Route Table and '127.0.0.1' Belonging to Interface/Adapter

In this article, we will discuss the IPv4 route table and the significance of '127.0.0.1' belonging to the interface or adapter. We will also explore the active routes in detail.

Windows 7: Block Specific URL Not Resolving After HOSTS File Modification

Users of Windows 7 may encounter issues with blocking specific URLs via the HOSTS file modification. Although this method is commonly used, the URLs do not get resolved as expected. In this article, we will discuss potential causes and solutions to help you block the desired URLs in Windows 7.

LAN Networking: Local DNS Name Not Working in Windows Browser for Ubuntu Home Server 'lenovo'

A user reports that their Ubuntu home server named 'lenovo', which runs a few HTTP servers accessible on the home LAN, is not resolving the local DNS name in the Windows browser. This article provides a suggested solution.

Troubleshooting: Different IP Address and Gateway

Encountered an issue where a computer failed to go online due to a mismatched IP address and gateway. Learn how to troubleshoot and resolve this problem.

Using Ethernet Connectivity with a DOCSIS Cable Modem-Router

Learn how to use Ethernet connectivity with a DOCSIS cable modem-router, such as the Netgear C7000. This article provides a step-by-step guide for naïve users.

Linux Tech Support: Successfully Forwarding Mirrored Ethernet Packets to an External VNIC

In this tech support article, we'll guide you through the process of successfully forwarding mirrored Ethernet packets to an external VNIC using Linux and tc AWS Traffic Mirroring.

Weird AppArmor Behavior Prevents Network Reach: Compiling AppArmor Sources

Experiencing issues with AppArmor preventing network reach during the compilation of sources? This article provides a suggested solution.

Nmap Towards Metasploitable2: Scanning 1000 Ports

Learn how to practice Nmap using Metasploitable2 and scan 1000 ports. Discover ignored states and view the results of 1000 closed ports scanned on IP address xxx.xxx.xxx.xxx.

Ping Issue: Windows 11 and Kali Linux Laptop Not Responding to Ping Commands

Users report that their Windows 11 and Kali Linux dual-boot system is not responding to ping commands when trying to ping IP addresses such as 192.168.1.84 and 192.168.1.51. This issue may cause ping hangs.

Troubleshooting Traffic Forwarding with Multiple Machines on a LAN

In a LAN environment with multiple Linux machines deploying web-service backends, investigating network traffic using tcpdump can reveal performance issues. This article explains how to diagnose and resolve traffic forwarding problems.

Understanding Dynamic Public IP Addresses in Tech Support

Users may encounter different public IP addresses when accessing a tech support site. This article explains why this happens and how to identify and troubleshoot the issue.

Raspberry Pi Getting Multiple IP Addresses: DHCP Conflicts

This article explains how to resolve DHCP conflicts on a Raspberry Pi that is receiving multiple IP addresses.

Syncing Files Between Devices on the Same WiFi Network: Is There a Specific Network Interface to Use?

When transferring files between devices connected on the same WiFi network, users may encounter slow transfer speeds. This article explores the possibility of using a specific network interface to improve file transfer performance.

Changing LAN IPv4 DHCP makes OpenSense Unreachable on Hetzner

In this article, we will guide you through the process of resolving the issue of OpenSense becoming unreachable after changing the LAN IPv4 DHCP settings on Hetzner.

Communicating with Internal NICs using iptables: Route Internet Traffic

Learn how to communicate with internal NICs (enp2s0 and enp3s0) using iptables to route internet traffic on a Linux system with three NICs, where one is connected to the internet (enp1s0).

WSL2: DNS Address in resolv.conf Not Updating on Network Change

This article discusses a problem encountered while using WSL2 on Windows 11, where the DNS address in the resolv.conf file fails to update when changing networks. Possible solutions include modifying the WSL2 configuration, using a custom DNS server, or updating network adapter settings.

Making OPNsense Unreachable after Changing LAN IPv4 DHCP on Hetzner

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