Articles about networking | UserComp.com | Page [ 13 ]

Using Home Router IP Address as Proxy for Computer Anywhere?

Resolves the inability to use a home router IP as an HTTP proxy by providing SSH tunneling and VPN alternatives for remote access.

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Troubleshooting Ping in Windows Machine Network without Router or Server

Resolve Windows ping failures in direct peer-to-peer networks by configuring static IPs, enabling network discovery, and allowing ICMP through the firewall.

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Finding Static IP Address for Access Control Unit on Windows 11

Resolve Access Control Unit connectivity issues on Windows 11 by identifying its IP via ARP and configuring a matching static IP address.

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Reroute and tunnel udp connection to another server

Redirect UDP traffic to another server using iptables DNAT and static routing.

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

Resolve Zabbix host ping failures across separate Docker bridge networks by connecting the container to multiple networks.

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High UDP Packet Loss in Windows 11 but Not Ubuntu

Resolve high UDP packet loss in Windows 11 by optimizing network adapter interrupt moderation and buffer settings to match Ubuntu performance.

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Cannot clear DNS cache on MacOS Monterey

Resolves DNS_PROBE_FINISHED_NXDOMAIN errors and connectivity issues on macOS Monterey by flushing the local DNS cache via Terminal commands.

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Is 0.1.0.3 Local IP Address an IPV4 Loopback Address or Not?

Clarifies that 0.1.0.3 is not an IPv4 loopback address and explains the correct usage of the 127.0.0.0/8 block for local host identification.

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Understanding Subnets: Differences Between Gateway and Static IP Range

Resolve network connectivity issues in Linux by configuring static IP addresses and gateways using nmcli for reliable hybrid home-to-company connections.

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Ongoing Internet Issues: Troubleshooting Guide for Network, Router, and Mac

Resolve persistent internet connectivity issues on Mac by flushing DNS, renewing DHCP leases, and rebooting the router.

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

Fix 1000Mbps NICs limited to 40Mbps by verifying physical link negotiation and adjusting MTU settings for VPN tunnels.

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How to Route Traffic in the Reverse Direction in VPN Tunnels

Resolve asymmetric routing issues in VPN tunnels by configuring server IP forwarding, static routes, and client push directives to enable bidirectional traffic flow.

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PFsense: Fake Subnet and IPsec Tunnel Mapping

Resolve IPsec routing failures for remote fake subnets by configuring precise Phase 2 definitions and excluding traffic from NAT in pfSense.

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How to write current network speed

Calculate real-time network speed in bits per second by parsing /proc/net/dev byte deltas without external dependencies.

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Fix Constantly Disappearing and Reappearing Hyper-V vEthernet (Switch) Interface on Windows

Resolve Hyper-V vEthernet interface dropping by disabling Link State Power Management on the physical NIC and updating drivers.

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Can't ping router - Troubleshooting Network Connectivity Issues

Resolve router ping failures by verifying IP subnet alignment, enabling ICMP echo replies, and correcting DHCP lease errors.

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Is an Open Port for VPN Protected from Hackers?

This article explains how to protect open VPN ports from brute-force attacks, MITM exploits, and unauthorized access through proper encryption, authentication, and firewall configuration.

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Creating Own VPN Server for External Users

Solves the problem of securely allowing external users to access a private network by configuring an OpenVPN server on Linux with proper certificate management and firewall rules.

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How to Connect Two Routers to the Same PC for Minimizing VR Headset Latency

Resolve high VR headset latency by optimizing primary network settings and QoS instead of using a dual-router setup which increases complexity and potential bottlenecks.

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Troubleshooting: Different IP Address and Gateway

Resolve network connectivity errors caused by mismatched IP addresses and default gateways by verifying subnet alignment and correcting configuration settings.

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Windows 10 Ethernet Falls Back to 1Gbps or 100Mbps Randomly: A Solution

Resolve Windows 10 Ethernet randomly falling back to 1Gbps or 100Mbps by disabling Energy Efficient Ethernet and updating Realtek drivers.

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How to Make Tor Work Without the Tor Browser on Your System

Configure macOS to route application traffic through the Tor anonymity network using a local SOCKS proxy without the Tor Browser.

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

Resolve WireGuard handshake success but no internet access in Kubernetes by updating AllowedIPs and enabling IP forwarding.

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Several Workstations Lose Internet Connectivity Periodically: Troubleshooting Steps

Resolve periodic internet loss on workstations by adjusting DHCP lease times and flushing corrupted DNS caches.

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Network Error: 0x80070043

Resolve network error 0x80070043 when inserting a new drive by verifying the Private network profile, starting essential discovery services, and allowing SMB traffic through the firewall.

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Troubleshooting WiFi Router Signal Issues from Network Switch

Resolve WiFi router connectivity failure from network switch by verifying physical cables, configuring DHCP on the WAN interface, and preventing IP conflicts.

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DNS Reverse Lookup Failed: Timeout Error

Resolve DNS reverse lookup timeouts by verifying resolver configurations, checking firewall rules, and testing connectivity on Linux and Windows.

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Setting Up Nginx Reverse Proxy for Home Assistant OS on KVM

Solve external access issues for Home Assistant OS on KVM by configuring Nginx reverse proxy with WebSocket and SSL support.

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Troubleshooting: Unable to Access a Specific Website on iPhone

Resolve iPhone connectivity issues with specific websites by clearing Chrome cache, resetting network settings, and verifying DNS configurations.

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Home LAN Mapping Software: Easily Manage Your Network

Home LAN mapping software solves the problem of manual IP tracking and unauthorized device detection by providing an automated visual inventory of network health and security.

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Troubleshooting: Unable to Access Netgear EX6200 through www.mywifiext

Resolve Netgear EX6200 access failures at www.mywifiext by using direct IP addresses, clearing browser cache, disabling HSTS conflicts, and correcting DNS settings.

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Samsung Flow for Windows 10 Accidentally Disconnected

Resolve Samsung Flow accidental disconnections on Windows 10 by disabling adapter power management, resetting Bluetooth services, and clearing corrupted application states.

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Resolving Networking Issues: Speed Drops with ISP Modem/Router Bridge Mode

Resolve speed drops in bridge mode by isolating physical layer faults and correcting MTU mismatches.

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No Internet After Windows Update: Finding the Unfixable Root Cause

Resolve Windows internet connectivity loss after updates by flushing DNS, resetting the TCP/IP stack, and reinstalling network drivers.

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Why can't I connect to my server in some instances?

Resolve intermittent server connectivity failures caused by dynamic IP changes, port forwarding misconfigurations, and IPv6 routing issues.

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Issue Accessing Websites on Windows 10 Guest VM using QEMU/KVM

Resolve Windows 10 QEMU/KVM guest internet access failures by fixing host bridge configurations, libvirt network definitions, and DNS settings.

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Understanding ICMP Response Delays: A Tech Support Issue

Resolve ICMP ping latency spikes by isolating network congestion, firewall inspection overhead, and router queuing issues through systematic path analysis.

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Expert Tips for Forwarding Internet Traffic between Two Networks

Enable IP forwarding and configure NAT to allow clients on isolated subnets to access external internet resources through a central server.

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How to Deploy an OS with a Phone Connected to a Wi-Fi Router

Resolve lack of network connectivity on a host PC during OS deployment by using USB tethering to share internet from a smartphone.

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Ethernet Flow Control Unexpected Behavior: Troubleshooting Bandwidth Problems

Resolve unexpected bandwidth throttling on 100Mbps switches caused by asymmetric pause frames and duplex mismatches.

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Building a Bus with CAT6 Ethernet Cable: A Tech Support Inquiry

Solves data integrity and durability issues when installing CAT6 Ethernet in buses by addressing electromagnetic interference, vibration, and fire safety requirements.

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Troubleshooting Strange Timeouts when Connecting to registry.gitlab in CI/CD Pipeline

Resolve timeouts connecting to registry.gitlab in CI/CD pipelines by fixing DNS resolution, correcting proxy settings, and validating authentication tokens on Ubuntu.

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Troubleshooting Wireless Networking Issues in Windows 7 and Windows 10

Resolve Windows 7 and 10 wireless connectivity failures, slow speeds, and disconnections by resetting the network stack, updating drivers, and verifying adapter settings.

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Quickly check Wifi speed on Windows 11

Resolve slow internet issues by distinguishing between Wi-Fi link speed and actual throughput using Windows 11 settings, ping tests, or external speed test tools.

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Troubleshooting Network Speed Issues with Multiple Devices on a Local Network

Resolve slow network speeds on large local networks by segmenting traffic with VLANs and verifying Gigabit uplink capacity.

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

Resolve Windows SMB share access errors by clearing stale sessions and resetting the Network Store Interface to fix connection limits and credential conflicts.

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Switching Active Network Connections Based on Active Windows User: A Guide

Resolve static VLAN limitations by implementing 802.1X authentication to dynamically assign network ports to user-specific VLANs based on Windows login identity.

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How to Fix VPN Crashing Issues on Wireless Networks

Resolve VPN crashes on Wi-Fi by switching to 5GHz, disabling adapter power saving, and using reliable DNS servers.

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How to Disable Windows DNS Search Domain and Set to `.`

Disable Windows DNS search domain to prevent automatic suffix appending and ensure strict name resolution control.

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Troubleshooting Sudden Network Unreachability for Certain Devices

Resolve sudden network unreachability for specific devices by fixing IP conflicts, DNS errors, and corrupted ARP caches.

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