Articles about networking | UserComp.com

Troubleshooting Large Hosts Files: DNS Client Issues with 11.8MB (63k lines) on Windows

Learn how to resolve DNS client issues caused by large hosts files (11.8MB, 63k lines) on Windows using various compression methods.

Configuring Iptables Rules to Allow Outgoing DNS Lookups: A Comprehensive Guide

Fed up with configuration issues related to allowing browse with iptables rules? Our guide covers iptables-tfilter-AOUTPUT and iptables-tfilter-AINPUT rules, focusing on enabling outgoing DNS lookups. Follow our steps for a smoother network experience.

Troubleshooting Domain Network Dropping: A Case Study with Three Switches

In this tech support article, we'll explore the causes and solutions for domain network dropping issues in a three-switch environment. Let's dive into the specifics of this case.

Using ip Command for the First Time: Temporary Failure in Name Resolution - Debian 12.8.0

Learn how to avoid a temporary failure in name resolution when using the ip command for the first time on Debian 12.8.0. This article provides helpful tips and guidance for enabling iproute2 and using the ip command effectively. Don't let a simple mistake ruin your networking experience. Read more for expert tech support.

Port Alerts on Lowest Ports: A Home Network Issue

Over the past two months, using a Honeypot in our household brand name home network, we've noticed an increase in Port Alerts on the lowest ports used by devices and appliances. Let's explore the possible causes and solutions.

Two CentOS Devices with IP Addresses in the Same Subnet Cannot Ping Each Other's MAC Address

Two CentOS devices with IP addresses in the same subnet cannot ping each other's MAC addresses. This issue might be caused by various factors such as firewall rules, incorrect network configurations, or hardware problems. In this article, we will discuss some possible solutions to help you troubleshoot and resolve this issue.

Effective Packet Loss Reduction and Speed Up with a 100Mb Switch on OPNsense Setup

In this article, we will discuss a common issue in OPNsense setups with a PC connected to a 5-port gigabit switch and another switch in a roommate's room with an 8-port gigabit switch. The setup sometimes kicks users off, leading to packet loss and reduced internet speeds. We will explore how a 100Mb switch can effectively reduce packet loss and increase the speed of the network.

Analyzing Unusual Behavior in Router Logs: Virus or Attack?

Recently, you've noticed unusual behavior in your router logs and are wondering if it's a virus or attack. This article will help you identify examples of suspicious lines in your router logs, understand the potential threats, and provide guidance on what to do next. Keywords: router logs, unusual behavior, virus, attack, MAC addresses.

Understanding the Difference between Ethernet Connections on Routers and Xfinity Pods

Learn about the differences between Ethernet connections on routers and Xfinity pods, and the positioning considerations for Xfinity pods. This article provides an informative and SEO-optimized overview to help you better understand and manage your network connections.

Preventing Windows from Creating New Network Adapters: A Tech Support Guide

Learn how to prevent Windows from creating new network adapters when connecting wired network devices, like an Ethernet adapter on a laptop.

Router Packets from One WireGuard Client to Another Using iptables

Learn how to route packets from one WireGuard client to another through a VPS server using iptables, enabling secure and efficient communication between devices.

Effortless Time Syncing for Two Windows 11 PCs: A Connected Desk Solution

Discover a seamless approach to synchronize time across two Windows 11 PCs, connected via a switch and internet. Strengthen security with firewall configurations for efficient timekeeping.

Enabling Jumbo Frames on a Linux Server (Ubuntu 22.04) Connected to a MikroTik Switch

In this tech support article, we will discuss how to transfer jumbo frames despite the standard MTU switch host, particularly for a network setup involving a Linux server (Ubuntu 22.04) and a MikroTik switch with ethernet-connected cameras. By increasing the MTU system, you can optimize the data transfer and improve network performance.

WireGuard Wizardry: Bypassing CGNAT and VPS

In this tech support article, we'll explore the fascinating world of WireGuard and how it can be used to bypass CGNAT and set up a VPS. Whether you're a networking enthusiast or a professional looking to expand your skills, this guide will provide valuable insights into the specifics of home networking and WireGuard configuration. SEO optimized.

Making Proxmox on House #1 Act Like Another Network (Site-to-Site VPN)

Learn how to configure Proxmox server on House #1 to act like another network using a site-to-site VPN.

Connecting Kaleli Linux PC to Mercusys MS10810/100 Unmanaged Switch with a Cactus CGT Gateway

This article provides instructions on connecting a Kaleli Linux PC to a Mercusys MS10810/100 unmanaged switch using a Cactus CGT gateway, despite the switch providing a speed-limited connection of 32kbps.

Understanding Router DNS Caching: Shared Among Users on a LAN

In this tech support article, we explain what router DNS caching is and how it can affect multiple users on a Local Area Network (LAN). Learn how to manage and troubleshoot DNS caching issues.

How to Forward Traffic from One Port to Another on a Device in Debian Linux

Learn how to forward traffic from one port to another on a device in Debian Linux. This guide will cover the basics of port forwarding and provide step-by-step instructions for routing incoming traffic on a specific port to another destination. Optimized for SEO using keywords such as 'Debian', 'port forwarding', and 'networking'.

Troubleshooting Inconsistent Behavior and Poor Performance with Squid Web Filter

Learn how to identify and resolve inconsistent behavior and poor performance issues with the Squid web filter while blocking access to problematic websites such as social media.

Fix and Prevent: Multiple Connections to Server's Shared Resource (SMB Shares) on Windows Computers

In this tech support article, we'll tackle the issue of multiple connections to a server's shared resource (SMB shares) on Windows computers. If you're experiencing difficulties accessing a remote computer or encountering a 'REMOTE_COMPUTER not accessible' error, this article can help. Learn how to fix and prevent these common network issues with detailed steps and expert insights.

Connecting Two Hosts behind CGNAT with Wireguard using an Untrusted VPS

This article explains how to connect two hosts behind carrier-grade NAT (CGNAT) using Wireguard, with the help of an untrusted Virtual Private Server (VPS). The hosts and the VPS are all located behind CGNAT and the Internet Service Providers (ISPs) do not support IPv6. Since both sides have NAT, a common approach is to use a third-party server to act as a bridge between the two networks.

How to Avoid DNS Spoofing with TTL in Linux Hotspot

Learn how to prevent DNS spoofing attacks in Linux hotspots by setting Time to Live (TTL) values. Follow this tech support guide to secure your network.

Troubleshooting: Can't Get Access to Local NGINX via NSX Router with SNAT Configuration

Having trouble accessing a local NGINX server via an NSX router with SNAT configuration? This article provides a compact overview of potential solutions to help you get back on track.

Setting up a Domain in Hyper-V with External Switches for 3 VMs: One DC, One File Server, One Workstation (Intending to Deploy Ubuntu VM in Future)

Learn how to set up a domain in Hyper-V with external switches for three virtual machines: one domain controller, one file server, and one workstation. This guide also covers joining pre-existing machines to the domain and intending to deploy a Ubuntu VM in the future.

Using a Specific Network Interface to Reach a Specific IP Address in Windows

Learn how to use a specific network interface to reach a specific IP address in Windows. This can be helpful when the desired IP address is unreachable through the default network interface.

Connecting Two Hosts in Separate IP Networks using VXLAN and Wireguard Tunnel

This article provides a guide on how to connect two hosts in separate IP networks using VXLAN and Wireguard tunnel. The article covers the steps to set up a Wireguard tunnel and configure VXLAN to enable communication between the two hosts. By following this guide, users can extend their networks and securely connect remote hosts.

RAM and Network Interface Cards: Differences and DMA

This article explores the differences between system memory (RAM) and Network Interface Cards (NICs), with a focus on Direct Memory Access (DMA).

Cannot Bridge VM on Physical Machine despite Restoring Defaults in VMware Network Editor

Learn how to resolve issues with bridging a VM on a physical machine using VMware Network Editor, even after restoring defaults.

Linux Hosts Connected to Samba Server: What Does It Mean?

Confused by terminology related to configuring a Samba server? This article clarifies the concept of 'Linux hosts connected' in the context of networking settings parameters hosts allowed and hosts denied. Learn more about Samba and Linux hosts connectivity.

Can't Ping IPv6 Address: Troubleshooting Network Unreachability

Having trouble pinging or connecting to an IPv6 address? Learn about possible causes and solutions for 'ping: connect: Network unreachable' and 'traceroute6: unreachable' errors, and how to effectively troubleshoot IPv6 network issues.

Making Permanent Manual Restart of DHCP Client on Jetson Orin AGX Developer Kit

This article explains how to manually restart the DHCP client permanently on Jetson Orin AGX Developer Kit running JetPack 6.1 and Ubuntu 22.04 ARM64.

Configuring Firewall Rules for WireGuard: Allow Connections between PC1 (10.0.0.1) and PC2 (10.0.0.3)

Learn how to configure firewall rules for WireGuard on Linux to allow connections between PC1 (10.0.0.1) and PC2 (10.0.0.3).

Making Hotspot Use Proxy with Ubuntu 24.04: A Step-by-Step Guide

In this article, we will guide you through the process of setting up a hotspot with proxy support on Ubuntu 24.04. We will cover the configuration of a network interface and the setup of a shadow-socks (socks5) proxy server.

Understanding BLOCKPROXY IP DNS Servers and Routers: A Tech Support Guide

Learn about BLOCKPROXY IP DNS servers and routers in this tech support guide. Discover how they work, why they're important, and what to do when they cause issues. Read more for detailed insights.

Top Development Boards with Dual Wi-Fi Chipsets for Personal Networking Projects

Explore the top development boards with dual Wi-Fi chipsets, perfect for personal networking projects. These boards offer impressive connectivity options, going beyond the typical dual-band (2.4/5.8 GHz) Wi-Fi solutions found elsewhere. Ideal for those seeking advanced networking capabilities and flexibility in their DIY projects.

Configuring Pfsense LAN Interfaces on VMware Workstation for Windows

This article provides a step-by-step guide for configuring Pfsense LAN interfaces on VMware Workstation for Windows users. Learn how to set up and configure LAN segments, NAT interfaces, and more for your virtual machine. Optimize your network security and performance with this comprehensive tutorial.

Unable to Access Internet with NAT64 Network Sharing on MacBook Pro running macOS High Sierra

This article provides a solution for users experiencing issues accessing the internet with NAT64 Network Sharing enabled on their MacBook Pro running macOS High Sierra. The issue occurs when smartphones fail to connect to the shared network. This article offers troubleshooting steps to resolve the problem.

Troubleshooting EAP-MD5 Authentication with wpa_supplicant

Having trouble manually configuring EAP-MD5 authentication with wpa_supplicant? Learn how to identify and resolve common issues that may prevent successful EAP negotiation. Read more to find out how to overcome this tech support challenge.

Troubleshooting DNS Servers Not Getting Client-Initiated Queries

Learn how to resolve issues with DNS servers not receiving client-initiated queries, including checking router configurations and port forwarding settings. Read more for a comprehensive guide on this tech support topic.

Network Bridge br0 Problem: Hypervisor KVM VM Accesses Internet but Host Can't Access Other Computers

Learn how to troubleshoot a network bridge br0 issue in a KVM hypervisor setup where the virtual machine can access the internet, but the host cannot access other computers. Tips and possible solutions for resolving this problem are provided.

Configuring Multicast Settings in Windows 10: Unknown Interface Name

Learn how to find the interface name for multicast settings in Windows 10.

Fixing DNS Issues When Moving Headless Ubuntu 22.04.5 LTS Server to a New Network

When moving a headless Ubuntu 22.04.5 LTS server to a new network, you may encounter issues connecting to the internet due to DNS. This article provides a solution to the problem, helping you get your server back online.

Ping Works: Setting Up Ubuntu 24.04 VXLAN Overlay Network for Two Hosts

This article provides a simple setup guide for connecting two hosts (H1 and H2) using a VXLAN overlay network. The setup is achieved by running specific commands on hosts running Ubuntu 24.04. Learn how to configure your network for seamless communication between hosts.

Can't People Connect to Games I Host with My Static IP?

Articles about networking | UserComp.com | Page [ 5 ]

Other interesting tags