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Generate code Decompile controls with syntax highlighting, indenting, folding, and proactive hints spices. Net Decompiler

The Spices. Net Decompiler Control is a powerful code recovery and anti-compilation tool that supports transformations. NET binary format (. EXE or. DLL) for formatted, best source code, support for MSIL, C #, vb.net, Delphi.NET, J #, and manageable C + +.Specific features: The converted code has a good format: generated code with syntax highlighting, indenting, folding, and proactive hints Support for visual anti-compilation Correctly dec

MySQL's own proactive backup

Tags: top management sdn ROO data yourself. SQL Water HTTPMySQL itself proactively backs up batch commands:Set "ymd=%date:~,4%%date:~5,2%%date:~8,2%" Set "hms=%time:~,2%%time:~3,2%%time:~6,2%" Mysqldump-uroot--password=password weixin> D:\mysql_back\weixin_%Ymd%_%hMs%.sqlCommand explanationTo use mysqldump, you need environment variable settings Mysqldump.exe program in the Bin folder of the MySQL installation folder Set is a command for a batch set variable %date:~,4% is a string that takes the

TCP/IP Detailed Volume One learning Note (iv): TCP connection establishment and termination

only one connection instead of two connections. also close It is also possible for both parties to perform a proactive shutdown, and the TCP protocol allows this to be turned off simultaneously. 5. Incoming connection request queue A concurrent server calls a new process to process each client request, so the server in the passive connection request should always be ready to process the next incoming con

TCP/IP Detailed Volume 1: Protocol 17th, 18 TCP: Transmission Control Protocol (2)-Reading notes

same time, albeit with minimal likelihood of occurring. Each party must send a SYN, and these SYN must be passed to each other. This requires each party to use a port that is known to each other as a local port, known as opening simultaneously.TCP only establishes one connection instead of two connections for simultaneous opening. When the appearance is open simultaneously:Both ends send the SYN almost simultaneously and enter the Syn_sent state. When each end receives a SYN, the state changes

TCP/IP Detailed study notes-17th 18 TCP: Overview, connection establishment and termination

validated by the end of the collection.(10) Emergency pointer: The emergency pointer is valid at Urg=1, which indicates the number of bytes of emergency data in this section.(11) Option: variable length, up to 40 bytes3, the establishment of TCP connectionSet Host B to run a server process, which first issues a passive open command that tells it that TCP is ready to receive successive requests from the cli

The TCP protocol (TCP message format + three handshake instance) with Wireshark capture packet in-depth understanding of TCP/IP protocol stack

Turn from:Http://blog.chinaunix.net/uid-9112803-id-3212041.htmlSummary:In this paper, we briefly introduce the theory of TCP-oriented connection, describe the meanings of each field of TCP messages, and select TCP connections from Wireshark capture packet to establish the relevant message segment.I. OverviewTCP is a reliable connection-oriented transport protocol

TCP implements P2P communication, TCP traversing NAT, and TCP hitting

This title uses two Don's and three names. It is actually the same thing, but there are different sayings on the Internet, in addition, it seems that some people call TCP drilling. (My friend Niu asked me, "Do you want to punch the hole? Would you like to help me borrow an electric drill?" "~! · ¥ % ...... ·!"). Let's take a look at the technical background: The rapid development of the Internet and the limit on the number of IPv4 addresses make Netwo

Linux lower port scan implementation (TCP Connect, TCP SYN, TCP FIN, UDP four ways) 1 principle article __linux

First, TCP Commonly used port scanning methods are the following three: 1.connect scanning We know that the common TCP socket implementation process is The more essential connection and end process is the following: From the above two figures we can see that the target host of a port if the monitoring state (listening or linsten), then when I connect the target host can be successful, otherwise the port is

TCP/IP Study Notes (13)-TCP persistence timer and TCP retention Timer

TCP has a total of four main timers. As mentioned above, a timeout timer is the most complex one in TCP, and the other three are: Stick to Timer Active Timer 2msl Timer The persistence timer is used to prevent the two sides from waiting for deadlocks after the announcement window is 0, while the persistence timer is used to process semi-open connections.1. Stick to the timer It is simple to stick to th

Introduction to tcp protocol (TCP/IP) and TCP/IP

Introduction to tcp protocol (TCP/IP) and TCP/IP Role of the transport layer: the IP layer provides point-to-point connections, and the transport layer provides end-to-end connections. Transport Layer Protocol 1. TCP (Transmission Control Protocol) Transmission Control Protocol Reliable and connection-oriented pro

13-51 single-chip microcomputer ESP8266 Learning-at instruction (ESP8266 as a TCP client, connect a TCP server, use the Serial debugging assistant and the phone TCP debugging assistant test)

After writing the topic just think of one thing, if the phone as a client (not connected to the case of the router), the wireless Phone connection module will assign an IP address,,, this IP address in advance I do not know .... I'll see if there's an instruction in the AT command that prints the IP address of the device after connecting to its own WiFi signal.I can't find ......... .......OK, I connect directly with the phone, look at the IP address assigned by the phone, and then set up the mo

TCP to realize Peer-to-peer communication, TCP pass through NAT and TCP hole

This title uses two comma three names, actually said is the same thing, but the internet has a different version of it, and also seems to have someone called TCP drilling (my friend, I heard after the girl asked "to punch Ah, or I help you to borrow an electric drill to come?" "" ~! ¥%......! ”)。 Gossip Less, we first look at the technical background: The rapid development of the Internet and the limitation of the number of IPV4 addresses make netwo

TCP/IP details -- Role of the TCP Header option field -- TCP Header

TCP/IP details -- Role of the TCP Header option field -- TCP Header1. Set the option field of the TCP header to 40B and write down some common items:2. The Option END field (EOP, 0x00) occupies 1B, and only one packet segment is used once. It is placed at the end to indicate that there are no more messages in the heade

In tcp c/S mode, point-to-point is implemented. One-to-multiple chats identify different TCP channels and send messages to corresponding TCP customers.

Client: Using system;Using system. Collections. Generic;Using system. componentmodel;Using system. Data;Using system. drawing;Using system. text;Using system. Windows. forms;Using system. net. Sockets;Using system. net;Using system. Threading; Namespace mytcpchat{Public partial class form1: Form{Private thread th;Socket C;Public form1 (){Initializecomponent ();Control. checkforillegalcrossthreadcils = false;} Private void form1_load (Object sender, eventargs E){ }Public void client (){Try{Ipend

Principle of TCP/IP reliability Sliding Window congestion window and TCP Window

Principle of TCP/IP reliability Sliding Window congestion window and TCP Window TCP and UDP are on the same layer-transport layer, but the most difference between TCP and UDP is that TCP provides a reliable data transmission service, which is connection-oriented, that is, th

TCP working principle, TCP traffic control principle, sliding window, congestion window, Ack cumulative confirmation, etc.

Document directory 1. Establish a connection 2. End the connection. 3. Maximum packet length 4. TCP status migration Diagram 5. rst. both open and close 6. TCP Server Design 1. Interactive Data Stream of TCP 2. TCP block data streams From http://hi.baidu.com/gookings/blog/item/6c21292a0fe7103c5243c155.html

[Linux network programming notes] TCP short connections generate a large number of time_wait, which makes it impossible to create new TCP connections and solutions-Basics

Recently, I encountered an online alarm: a large number of time_wait servers make it unable to establish a new HTTP connection with downstream modules. During the solution, I checked the classic textbooks and technologies.ArticleTo enhance the understanding of TCP network problems. This is recorded as a note.Note: This article mainly introduces the many basic knowledge involved in TCP programming. The solut

TCP/IP (iii): Transport layer TCP vs. UDP

TCP protocol OverviewThe TCP protocol and the UDP protocol are at the same level: the Transport Layer , but there is a big difference between the two, the TCP protocol has the following characteristics: TCP provides reliable data transfer service, TCP is conn

& Lt; TCP/IP details volume 1 & gt; Reading Notes (4) -- tcp

Finally, we finally came to the large header TCP protocol. In order to provide reliable transmission services for the application layer, various mechanisms are designed for tcp to achieve possible errors during transmission, such as packet loss, retransmission, disordered order, and link transmission errors. 1. TCP Overview First, let's take a look at the header

TCP/IP (11) TCP sliding window and congestion control

There are many network protocols based on TCP protocol, such as TELNET,SSH, FTP, HTTP and so on. These protocols can be broadly divided into two broad categories based on data throughput: (1) interactive data types, such as TELNET,SSH, which in most cases are only small-traffic data exchanges, such as pressing the keyboard, echoing some text, and so on. (2) data block types, such as FTP, this type of protocol requires

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