How to use Isip to intercept, analyze and modify network packets

Editor to share with you how to use Isip to intercept, analyze and modify network data packets, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it! Tool installation git

2022-05-31 Network Security 我要分享

8.1.7 OSPF packet format

The protocol number of OSPF is 89. When OSPF packet multicasting occurs, their TTL is set to 1. All OSPF packets in the header start with a 24-octet header, the version number of the versionOSPF version, and the version number of the OSPF

2022-06-01 Database 我要分享

URL to web page in web shows what happened during that time

This article introduces the relevant knowledge of "what happened from the URL to the web page in web". In the operation of the actual case, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something! Positive

2022-06-01 Internet Technology 我要分享

Libpcap tutorial-04

Packet AnalysisThis section will focus on peaking into the packets to extract the information (which

2022-06-01 Network Security 我要分享

Summary of IP packet, TCP message and UDP segment format

1. IP packet format IP packet is a kind of variable length packet, which is composed of header and data load. The header length is generally 20-60 bytes (Byte), of which the last 40 bytes are optional, the length is not fixed, and the format of the first 20 bytes is fixed. The length of the data payload part is generally variable.

2022-06-02 Servers 我要分享

Use of Wireshark packet grabbing tool and packet analysis

After years of using Wireshark bag grabbing tools and packet analysis, may you have breeze and spirits, and some people are on your way home. When you open the Wireshark package grab tool and start to grab the package, you will see the following content: here I am grabbing the package for wlan, 192.168.2.11

2022-06-02 Servers 我要分享

What are the basics of TCP/IP

This article introduces the relevant knowledge of "what are the basic knowledge of TCP/IP". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something! To say that we are in contact

2022-06-03 Development 我要分享

Analyze packets (Microsoft Visual Studio 2010)

/ / Fenxi1.cpp: defines the entry point for the console application. / / the code is as follows: # include "stdafx.h" # include "pcap.h" # include "bittypes.h" # pragm

2022-06-01 Network Security 我要分享

How to realize real-time data processing based on Flink

Editor to share with you how to achieve real-time data processing based on Flink, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it! Based on Flink 1.11

2022-05-31 Network Security 我要分享

How to send and receive Network packets by Linux

Editor to share with you Linux how to send and receive network packets, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it! In order to enable multiple devices to pass through the text network model

2022-06-01 Servers 我要分享

One of the series of streaming media transmission protocols-RTP/RTCP protocol analysis

RTP Protocol Real-time Transport Protocol RTP (Real-time Transport Protocol) is a network transport protocol, which was published by IETF's Multimedia Transport working Group in RFC 1889 in 1996, and later in RFC3550.

2022-06-01 Network Security 我要分享

How to use tcpdump

This article introduces the knowledge of "how to use tcpdump". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something! (1) tcp:

2022-06-01 Internet Technology 我要分享

How to use DPDK GRO and GSO to improve the performance of Network applications

How to use DPDK GRO and GSO to improve the performance of network applications, I believe that many inexperienced people do not know what to do. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem. At present, there are a large number of network applications that only deal with packets.

2022-06-01 Internet Technology 我要分享

How to deal with the problem of tcp sticky package

Today, I will talk to you about how to deal with the problem of tcp sticky bags, many people may not know much about it. In order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article. The method to deal with the problem of sticking packets in tcp: 1. Fixed length transmission method, the sender is sending.

2022-06-03 Internet Technology 我要分享

Detailed introduction of tcpdump, a tool for grabbing packets in Linux network

This article mainly introduces "the detailed introduction of the Linux network packet grabbing tool tcpdump". In the daily operation, I believe that many people have doubts about the detailed introduction of the Linux network packet grabbing tool tcpdump. The editor consulted all kinds of materials and sorted out a simple and useful method of operation.

2022-06-01 Servers 我要分享

Introduction of network layer protocol, detailed explanation of IP packet format + ARP principle (focus 3, necessary knowledge of network rookies)

one。 Let's first review that the network layer is the basic layer of our network. Which layer is our third layer? this data packet contains IP header, TC header and upper layer data II. The function of the network layer the IP address in the network layer packet is equivalent to our logical address, the global address, and I

2022-06-02 Servers 我要分享

How to solve the problem of sticking packets in Socket

This article introduces the relevant knowledge of "how to solve the Socket sticky package problem". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something! Question 1: t

2022-06-03 Development 我要分享

FFmpeg FU-A packet description

+-+-+ | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | FU indicator | < = > +-+ | F | NRI

2022-06-03 Internet Technology 我要分享

What are the QUIC protocols that can accelerate the Internet?

What are the QUIC protocols that can accelerate the Internet? I believe many inexperienced people are at a loss about this. Therefore, this paper summarizes the causes and solutions of the problems. Through this article, I hope you can solve this problem. As we all know, QUIC (Quick UDP Internet)

2022-05-31 Servers 我要分享

How to deal with Nginx discarding http packet

This article mainly explains "how to deal with Nginx discarding http packets". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to deal with Nginx discarding http packets"! nginx discard h

2022-05-31 Internet Technology 我要分享