Articles about packet | UserComp.com

FFmpeg 5.1.2 Causes Corrupt Packets in HLS Stream (Works Fine 4.2.2)

Users are experiencing an issue with FFmpeg version 5.1.2, where the video stream appears corrupted. This issue does not occur with FFmpeg version 4.2.2, where the video clip runs smoothly.

How to Drop Outgoing UDP Packets without Generating Socket Error

Learn how to drop outgoing UDP packets using iptables without generating a socket error. This can be useful for network performance testing or troubleshooting. Follow these simple steps to implement this rule on your Linux system.

Cisco NAT Routing Issue: Unable to Reach Web Server (Request Timed Out) - Cisco Packet Tracer

This article discusses a Cisco NAT routing issue that prevents users from reaching a web server. The issue is resolved using Cisco Packet Tracer. Keywords: Cisco NAT, Routing Issue, Web Server, Cisco Packet Tracer.

Troubleshooting NFTables: Not Dropping Packets

Having issues with NFTables not dropping packets? Learn about routing chain implementation for a simpler rule to drop packets at layer 3. This tech support article provides guidance on resolving NFTables packet filtering problems.

Sony Bravia TVs Sending UDP Packets - Firewall Blocked

On January 09, 2016, users reported Sony Bravia TVs sending UDP packets that were blocked by their firewall. This article provides insight into the issue and potential solutions.

Adding SEI Side Data Packet to H264 Video Stream using FFmpeg

Learn how to add SEI side data packet to H264 video stream using FFmpeg. This tutorial will help you add server local time information to every frame of your video stream. Follow our step-by-step guide to enhance your video streaming capabilities.

Troubleshooting Airodump Packet Sniffing: Unexpected Output on wlan0

Users encountering issues with Airodump packet sniffing tool while working on wlan0 interface. This article provides guidance on interpreting unexpected output and potential solutions.

Trying Airodump-ng Command: Decoding Output for CH1

This article explains how to decode the output of an Airodump-ng command for CH1. The article provides a step-by-step guide and invites the audience to read the full article for a detailed understanding.

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.

Creating a Remote Access VPN: Forwarding Packets with TUN and ENP Interfaces

Learn how to create a remote access VPN and forward packets using TUN and ENP interfaces. This article provides a step-by-step guide for setting up a proof-of-concept server-side functionality.

Solving Multi-Speed Switch Packet Drops on Unmanaged PoE Switches

Learn how to troubleshoot and solve packet drops on unmanaged PoE switches, specifically when using a 1Gbps/2.5Gbps multi-speed switch for industrial PoE cameras. Read more for a comprehensive tech support guide.

Solving High Ping and Occasional Packet Loss on an ADSL Line: A Comprehensive Guide

This article provides a comprehensive guide on how to solve high ping and occasional packet loss issues on an ADSL line. It covers various troubleshooting steps, from checking the hardware to contacting your ISP. Let's get started.

How to Merge LAN and WIFI Traffic through a Router for Packet Capture

Learn how to merge LAN and WIFI traffic through a router for efficient packet capture. This guide covers the necessary steps for Linux, Windows, and MacOS systems, helping network administrators and cybersecurity professionals to effectively monitor and analyze network traffic.

Extract Domain Name from DNS Packet in a Network Format - Tech Support

Learn how to extract the domain name from a DNS packet in a network format using a netfilter kernel module. This tutorial focuses on parsing the QNAME field of the DNS packet following RFC 1035 standards.

Force socat to send packets from specified interface (socat so-bind-device NOT working)

Learn how to force socat to send TCP packets from a specific interface on a bare-metal x86-64 machine running a fresh install of Ubuntu 22. This article provides a solution for the socat so-bind-device option not working.

Escaping Corporate Proxy & Firewall with HTTP Tunnel Proxy Solutions

If you're unable to make SSH direct traffic connections through your corporate HTTP proxy server, consider HTTP tunnel proxy solutions. This article introduces you to the concept of HTTP tunnel proxies and suggests some of the best solutions for Linux, Windows, and MacOS. Learn how to bypass corporate firewalls with HTTP tunnel proxies and enhance your network security.

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.

FFMPEG: Converting RTSP to MPEG-TS with Constant Size UDP Packets

Learn how to convert an RTSP stream to an MPEG-TS stream with constant size UDP packets using FFMPEG.

Concatenating MP4 Files: Overcoming Parsing Packet Header Errors with FFmpeg's concatlist

Learn how to concatenate MP4 files using FFmpeg's concatlist method and overcome common parsing packet header errors.

Windows 10 Home: QOS Policy Setting for DSCP EF and UDP Packets

Learn how to set up a QOS policy for DSCP EF tagged UDP packets in Windows 10 Home using Group Policy Editor.

Unable to Capture Packets with Airodump-ng on Beaglebone

This article explains how to resolve the issue of being unable to capture packets using Airodump-ng on a Beaglebone.

Troubleshooting High Packet Loss on Internet Services: A Deep Dive

Experiencing high packet loss, particularly with DNS services? Learn the potential causes and solutions to improve your internet connection.

Access Physical Ethernet Port on Windows 11 via WSL2 for EtherCAT with Raw Packets

Learn how to access a Physical Ethernet port on Windows 11 using WSL2 (Ubuntu 20.04) for EtherCAT applications requiring raw packets.

Wifi Adapter Not Capturing Packets on Windows 11 Computer: Alfa AWUS1900

Experiencing packet capture issues with the Alfa AWUS1900 Wi-Fi adapter on a Windows 11 computer? Learn how to troubleshoot and resolve this problem.

Troubleshooting Packet Loss: Analyzing a .pcap File

Learn how to analyze a .pcap file to identify the cause of packet loss in your network. This article provides a step-by-step guide for troubleshooting packet loss issues using Wireshark and other tools.

Troubleshooting Packet Loss in an Internal Network with Cisco-Managed Switch and Multiple Physical Servers

Learn how to diagnose and resolve packet loss issues in an internal network with Cisco-managed switch and multiple physical servers. Identify the root cause and apply effective solutions.

Troubleshooting Packet Loss in an Internal Network with Cisco-Managed Switch and Virtual Machines

Learn how to diagnose and resolve packet loss issues in an internal network with Cisco-managed switch and multiple physical servers running virtual machines.

Wake-magic Packet: Keep Wi-Fi Card Active During Sleep Mode

Learn how to use Wake-magic Packet to keep your Wi-Fi card active during sleep mode, preventing disconnections when PC is in sleep.

Deep Dive into PORT Number Confusion: OS Node Packet Received Unexpectedly

In this tech support article, we delve into the confusion surrounding PORT numbers and unexpected OS node packets. Learn how to identify and resolve this issue.

Capturing Packets: Differences between Snapshots and Analysis of Different Packets

Learn the differences between packet snapshots and analysis of different packets during network application diagnosis. Understand when to use each method for effective packet capture.

Netcat Sends Extra Packets with v Flag: An Unexpected Behavior

When using Netcat 1.218 on Ubuntu 22.04 to generate test syslog packets, an unexpected behavior occurs: Netcat sends two additional packets containing letters. This article explains the cause and provides possible solutions.

Additional null bytes in DNS response packet

DNS response packets may contain additional null bytes that can cause issues with DNS resolution. Learn more about how to troubleshoot this issue.

Is HTTPS Really Secure About the First Data Packet Transmitted?

Learn about the security of the first data packet transmitted over HTTPS. Explore the encryption and protection provided by HTTPS and how it ensures the confidentiality of your data.

How many layers are usually there in a network packet?

Learn about the different layers typically found in a network packet. Understand the significance of each layer and how they contribute to data transmission and communication.

What is causing my high packet loss?

Learn about the possible causes of high packet loss in your network and how to troubleshoot the issue. Discover how this can impact your internet connection and steps to resolve the problem.

Reconnect Ethernet Link over (Magic) Packet

Learn how to reconnect your Ethernet link using a (Magic) Packet. This article provides step-by-step instructions and troubleshooting tips to help you resolve connectivity issues and restore your network connection quickly.

Understanding Consistent Packet Loss and How to Resolve It

Learn about consistent packet loss, a common network issue that affects data transmission. Discover the causes, impacts, and effective troubleshooting techniques to resolve it.

How to Resolve 'Invalid input detected at ^ marker' Error in Cisco Router

This article provides a step-by-step guide on how to resolve the 'Invalid input detected at ^ marker' error encountered in Cisco routers. It discusses the common causes of this error and offers troubleshooting techniques using Cisco Packet Tracer. If you are experiencing this error while configuring your Cisco router, this article will help you troubleshoot and fix the issue efficiently.