Articles in Networking | UserComp.com

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.

VPN Connection: Accessing Local Devices on Home Network via OpenVPN

Learn how to set up and establish a VPN connection to access local devices on your home network using OpenVPN.

ARP Storm Causing Asus Router/Switch to Reboot Every 30 Seconds

If your Asus router or switch is rebooting every 30 seconds, it could be due to an ARP storm. Learn how to identify and resolve this issue to maintain a stable network connection. Read more on our tech support site.

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.

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.

Huawei Olta Connection Successful but Issue Bridge Connect

The Huawei OLTA connection was successful, but an issue with Bridge Connect occurred. This article provides possible solutions to help troubleshoot and resolve the issue.

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.

Troubleshooting Cross-VLAN Connectivity: Ping Timeouts with SSH Not Working

This article discusses a common issue where devices on different VLANs cannot communicate via SSH or other protocols, but establishing a connection is possible after initiating a ping. The article explores possible causes and solutions.

Investigating Time Wait TCP Connections with No Indicated Process - A Tech Support Guide

Learn how to investigate Time Wait TCP connections on your machine with no indicated process. Our tech support guide provides a step-by-step solution for Linux, Windows, and MacOS systems. Discover the cause of the issue and how to resolve it. Read more for a comprehensive solution.

IP Address Allocation: RIRs, Countries, and ASNs in Tech Support

Exploring IP address allocation data from RIRs and autonomous systems for building a geo-IP blocking service in tech support. Find the right data for your project.

How to Change MAC Address on Multiple Cloudflare 300 Clients Facing Network Connection Issues

Explore the step-by-step guide to change the MAC address on multiple Cloudflare 300 clients facing network connection issues. Learn how to modify the MAC address on Linux, Windows, and MacOS devices, and improve the network performance.

Determining If One IPv4 Address Is Visible from Another in Networking

Learning TCP/IP networking can be tricky, and understanding whether one host can reach another is crucial. This article provides an overview of how to determine if an IPv4 address is visible from another in a network.

Ping Computer WiFi (RB4011 Routing) Troubleshooting: WOL Phone Connection Issues

Having trouble connecting your WOL phone to the new Mikrotik RB4011 network switch via WiFi? This tech support article provides a solution.

Setting Up a 1Gbps Ethernet Connection in a Small Building: A Guide

Learn how to set up a 1Gbps Ethernet connection in a small building using a Cat5e modem/router and fiber, optimized for SEO.

How to Access a Web Server Behind a Gateway

Having trouble connecting to a web server behind a gateway? This article provides tips on how to access a web server behind a gateway, including connecting to the gateway and using tools like wget. Learn more here.

Encountering Strange Extra IPv6 Addresses on Your Local Network

If you're running a DHCPv6 server on Windows Server 2008 R2 and have several computers on your LAN using both IPv4 and IPv6, you might encounter strange extra IPv6 addresses. Here's what you need to know.

How to Whitelist Certain URLs in a Network of Several Hosts

Learn how to whitelist certain URLs in a network of several hosts, allowing access to specific websites while blocking the rest for certain hosts. Improve network security and control web access with this step-by-step guide.

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.

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.

Unstable Internet Connection with Second Router on BSNL Fibernet

This article explains the steps to establish a stable internet connection with a second router on a BSNL Fibernet network.

Understanding Private IP Addresses and Their CIDR Prefixes: /8, /12, /16

The Internet Assigned Numbers Authority (IANA) has reserved three blocks of IP address space for private internets: 10.0.0.0/8, 192.168.0.0/12, and 172.16.0.0/12. In this article, we'll explain what private IP addresses are, and how CIDR prefixes /8, /12, and /16 are used to identify these networks.

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.

Huawei Router: Unable to Share LAN Resources Between Two SSIDs

This article provides a solution to the issue of inability to share LAN resources between two SSIDs on a Huawei router. Despite having the same IP range, users face challenges in accessing shared resources. Learn how to resolve this problem.

IPv4 vs IPv6 Source Address Tunnel with Wireguard: Separate Routing and IP Checking

Learn how to set up a Wireguard tunnel for separate IPv4 and IPv6 routing, and how it affects IP checking on a website tunnel. Disabling NATv4 can lead to blocked traffic.

Access Network Share via Dynamic IPv6: Using IPv6-literal.net

Learn how to access network shares using dynamic IPv6 addresses with the help of ipv6-literal.net. Follow the instructions to configure your network settings.

Troubleshooting 2nd Router as Access Point: A Step-by-Step Guide

Losing your mind trying to set up a 2nd router as an Access Point? This article provides you with effective methods to resolve common issues and make your network stable. Read more...

Connecting to Your Domain and DNS Server Using a Program?

Learn how to connect to your domain and DNS server using a program with examples in C#. This tutorial covers creating a TcpListener and binding it to the desired IP address and port.

DNS Reverse Lookup Fail: Timeout Error Explanation

This article explains the causes and solutions for DNS reverse lookup timeout errors. Several IP addresses cannot be resolved using the nslookup command, resulting in SERVFAIL or communication errors. We will discuss the possible reasons and provide some troubleshooting steps.

DNS Reverse Lookup Failed: Timeout Error

Encountering a DNS reverse lookup timeout error? Learn the potential causes and solutions for this issue on various platforms like Linux, Windows, and MacOS.

Configuring a ReyeeRG-E5 Router for OpenVPN: IP Address Exposed Despite VPN Connection

This article explains how to configure a ReyeeRG-E5 router to use OpenVPN while preventing IP address exposure. Despite the successful VPN connection, the router's IP address is still being resolved by the external world. We will guide you through the steps to resolve this issue.

Channel Selection Issue with Old TP-Link Router as Main Router

Users encountering issues with signal quality when using an old TP-Link router as their main router due to automatic channel selection.

ARP Command Doesn't Show Router's Wireless MAC Address

Users often encounter issues when trying to find a router's wireless MAC address using the ARP command. Although the ARP command is effective for displaying MAC addresses on wired networks, it does not show MAC addresses for wireless interfaces. In this article, we will discuss alternative methods for finding a router's wireless MAC address.

Managing IPv6 Addresses in Home Networks: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network, with a focus on practical applications and troubleshooting common issues. This beginner's guide covers managing IPv6 addresses on your WAN and LAN.

Managing IPv6 Addresses in Home Network: A Beginner's Guide

Learn the basics of managing IPv6 addresses in your home network. This beginner's guide covers the essentials for both WAN and LAN configurations.

Configuring Static IP Addresses: Adding /29 Network with Last Used /30 Subnet

Learn how to add a /29 network with a last used /30 subnet. This tutorial covers the process of configuring static IP addresses in various operating systems, such as Linux, Windows, and MacOS.

Enabling Home Network Access with WireGuard and FRITZ!Box using DynDNS

Learn how to set up home network access using WireGuard, FRITZ!Box, and DynDNS for dynamic IP addresses.

Configuring FQDN Filtering on Zyxel ATP700 for Static External IP Subdomains

Learn how to configure FQDN filtering on Zyxel ATP700 for static external IP subdomains. This article provides a step-by-step guide to help you secure your network.

Configuring Wireguard Exit Nodes for Multiple Clients: Linux Laptop and Mikrotik Router

Learn how to configure Wireguard exit nodes for a Linux laptop and a Mikrotik router, enabling secure and private internet access for multiple clients.

Configuring Small Networks: Long Distance RDP Connection (100 meters)

Learn how to configure a long distance RDP connection (up to 100 meters) in a small business network environment. Follow this step-by-step guide to optimize your network and ensure smooth remote desktop performance.

Setting up Routings and Subnets for a Novlan Network: Dividing a Physical Network with Different Masks

Learn how to set up routings and subnets for a Novlan network, where one physical network (172.16.28.0) needs to be divided using different masks, and the gateway (172.16.28.1) requires subnet access.

Understanding the Basics of Circuits in Computer Networking

When researching the term 'circuit' in the context of computer networking, it's common to come across the term 'circuit switching'. However, what exactly is a circuit in networking? In this article, we'll provide a clear definition and explanation.

Unable to Connect: ISP Assigned IP Address Changes Prevent WAN-LAN Connection

Users encounter issues connecting their WAN IP to a local network after their ISP assigns a new IP address. This article explores possible solutions to resolve the connection problem.

Strange Reverse Proxy Behavior with Homebox and PFSense: A Tech Support Nightmare

A user describes experiencing strange reverse proxy behavior while using a Homebox and PFSense setup for their host servers. Ports 80 and 443 are forwarded via NAT translation, but the user is encountering issues. In this tech support article, we will explore possible causes and solutions to help the user resolve their reverse proxy woes.

Understanding Gateway and Everyone's Gateway Home Wi-Fi