protocol number

How to obtain the current traffic of a process in GNU Linux /*************************************** ******************************* Author: Samson* Date: 11/19/2014* Test platform:* 3.small-24-generic* GNU bash, 4.3.11 (1)-release*******************

New UI-set three methods for hyperlink jump for TextView, ui-textview New UI-three methods for setting hyperlink redirect for TextView -- Reprinted please indicate the source: coder-pig. You are welcome to repost it. Please do not use it for

Unity game development-C # feature Attribute and automation, This article mainly describes how to use Attribute in C # and its possible application scenarios. For example, you write the player's blood volume, attack, defense, and other attributes

1. Linux USB Architecture   USB communication is initiated by the host. The USB device driver allocates and initializes an urb and sends it to the USB core. The USB core is changed and sent to the USB host controller driver. The USB host controller

The detailed SSH logon process involves the following concepts: Plaintext:Messages to be secretly transmitted. Ciphertext:Messages in plaintext after password change. Encryption:The conversion from plaintext to ciphertext. Decryption:The process of

In fact, it has been a long time to explore the problem of network card packet capture. I found some basic things in the last few days. I will just repeat them here. Packet Capture first needs to know that the data transmitted through the NIC is

Reprinted: http://blog.chinaunix.net/uid-11572501-id-2868683.html 1. tcp syn Denial of Service AttackGenerally, the establishment of a TCP connection requires three handshakes, namely: 1. the initiator sends a tcp syn packet to the target computer;

Currently, the main port scanning technologies include the following:1. TCP connect scan (TCP connection scan)This method is also called "TCP full connection scan ". It is the simplest scanning technology, and uses three handshakes of the TCP

The text below is all from the Internet.   OSI is layer-7 and TCP is layer-4. As follows: OSI: from Wikipedia http://zh.wikipedia.org/wiki/OSI%E6%A8%A1%E5%9E%8B.  Application Layer) The application layer can communicate with the application

This article discusses how to send and receive IP packets (routes are not included currently) Let's first look at inet_init, The first step is to call proto_register and register tcp_prot, udp_prot, raw_prot. The first half of proto_register is to

Introduction User Datagram Protocol is a protocol that defines the computer communication used to provide Packet Exchange in the interconnected network environment. By default, this Protocol considers the network protocol (IP) as its underlying

A protocol defines a blueprint that specifies the methods, attributes, and other things needed to implement a particular task or function.Classes, structs, or enumerations can follow the protocol and provide specific implementations for those

(1) Character test functionIsalnum (test whether the character is an English letter or a number) Isalpha (test character is an English letter) Isascii (test character is ASCII character) Isblank (test character is a space character) Iscntrl ( Test

Linux configuration NIC IP address command detailed introduction and some common network configuration commands 2010- A- - 0Comments Collection I want to contribute to the Linux command line under the configuration of the IP address is not as

Guide The most important and basic Linux Network command collection that aspiring Linux system administrators and Linux enthusiasts must know. At It's FOSS we are not talking about the "command line aspect" of Linux every day. Basically, I'm

(1) Character test functionIsalnum (test whether the character is an English letter or a number) Isalpha (test character is an English letter) Isascii (test character is ASCII character) Isblank (test character is a space character) Iscntrl ( Test

The socket () function is used to assign a description word of a set of interfaces and the resources it uses, based on the specified address family, data type, and protocol. If the Protocol protocol is unspecified (equals 0), the default connection

Macro definitionFirst introduce two macro definitions, see the following codeCode 1/************************************************************************* > File name:test.c > Author: Krischou > Mail:[email protected] > Created time:thu 10:11:59

Socket sockets and pipelines can also provide in-process communication. But sockets are better, and different processes can span different hosts (in plain words, support network communication). Well-known programs that use sockets: Telnet, Rlogin,

The following summary from Bird Brother's Linux private dish-Server (third edition), while the students like Linux are recommended to learn to read. For Linux Kernel 2.6+ I. Schematic firewall Diagram Firewall The diagram above is very