what message format

SMTP (Simple Mail Transfer Protocol)The message transfer agent (mail Transfer AGENT,MTA) program uses the SMTP protocol to send e-mail to the recipient's mail server. The SMTP protocol can only be used to send messages and not to receive messages.

How Dos attacks on CNN sites? Method 1. Direct access to this page http://www.chenmin.org/doscnn.html, Method 2. Save this page as an HTML file and open it in a browser. Enable scripting by prompting, and then automatically connect to the CNN site

TCP/IP protocol family 1.1 Introduction The TCP/IP protocol family consists of 5 layers: Physical layer, Data link layer, network layer, Transport layer and application layer. The first four layers correspond to the first four layers of the OSI

comparison of 1.http/1.0 and http/1.1 RFC 1945 defines the http/1.0 version, and RFC 2616 defines the http/1.1 version. 1.1 Establishing connection aspects http/1.0 each request requires a new TCP connection and the connection cannot be reused.

1. OverviewThere are more than dozens of different business systems in the construction of modern airport informationization, different business systems are often developed by different companies adopting different standards and different interfaces,

Full understanding of HTTP and http  Introduction: as a software engineering Web professional, it is essential to be familiar with HTTP. We hereby record it and create our own HTTP stack.URL and URI What we often see is the URL, which is a string

15:15:56 Source: and non-networkKeywords: LED display TC35I Single Chip Microcomputer ProteusAs an information display device, the LED electronic display screen is mainly used to play advertisements, news, notifications, weather forecasts, time,

1. IntroductionFor small nodes on the network, it is impractical to support the message transmission system (MTS ).. For example, a workstation may not have sufficient resources to allow the SMTP server and a considerable number of local email

1. ICMP protocol format ICMP packets are transmitted inside the IP datagram: | IP header | ICMP packets | ICMP Message format: Bits 0-7 8-15 16-23 24-310 type code checksum32 rest of Header Type-ICMP type as specified below. Code-subtype to the

1 Overview 1.1 proposal of questions Currently, many applications store data in the database and read and process data from the database. In business processing, applications are often divided into two types: Data consumer applications ("Producers"

Http://www.microsoft.com/china/MSDN/library/archives/library/DNAspp/html/aspnet-jumpinto-part1.asp Enter ASP. NET world-Part 2: Applications Program Planning and Design Mike Amundsen August 2003 Applicable:Microsoft ASP. NET Abstract:Learn

2.5.7 capwap Transmission Mechanism Standard UDP Client/Server mode is used between WTP and AC to establish communication. Capwap supports UDP and UDP-lite [rfc3828]. ￠ On IPv4, capwap Control and Data tunnel use UDP. In this case, the UDP checksum

Analysis of Google Protocol Buffers This article mainly tends to introduce how to use Google Protocol Buffer technology to compress and parse your data files, for more detailed information, please refer to Google open Developer Web documentation,

Micro-service Combat: From publishing to architecture--the previous article maxleap 2016-03-23 10:42 "MicroServices" is a very popular term in the field of software architecture and can find many definitions of microservices, guidelines,

Data transfer Protocol of socket Development frameworkIn the previous essay, "Framework Design and analysis of socket development framework", this paper introduces the overall idea of the whole socket development framework, summarizes and abstracts

Protocol buffers (PROTOBUF) Developer's Guide---overviewwelcome here . protocol Buffers's Developer's Guide document, protocol buffers is a programming language agnostic, system platform independent, extensible, structured data

Turn from: Http://blog.chinaunix.net/uid-9112803-id-3212207.html Summary:This article analyzes the browser input URL to the entire page display of the entire process, to Baidu home, for example, combined with Wireshark capture group for detailed

The decorator contains a lot of advanced Python skills, and @ property is no exception. for example, an example of rapid code refactoring will be mentioned later, here we will illustrate the usage of @ property decorators in Python programming with

This is a creation in Article, where the information may have evolved or changed. PROTOBUF syntax GRPC recommends using Proto3, this section only describes the common syntax, more advanced use posture please refer to the Official document

Original address: http://blog.sina.com.cn/s/blog_6d39b5be0101k6v4.html　　　　A long connection and short connection: Long connection: The client and the server to establish a connection, the connection after the establishment of continuous open, and