Tcp Client And Server

TCP (Transmission Control Kyoto) Transmission Control Protocol three times handshake TCP is host to the host Layer Transmission Control Protocol, providing reliable connection services, using three handshake confirmation to establish a connection: bit code that TCP flag bit, there are 6 kinds of indicators: SYN ( Synchronous online) ACK (acknowledgement confirmation) PSH (push transfer) FIN (finish) RST (reset reset) ...

The client example uses the JQuery http://www.aliyun.com/zixun/aggregation/33906.html ">javascript Library." In this first article, we explore different reverse Ajax technologies, using downloadable examples to learn the Comet of using the streaming (streaming) method and the long polling (polling) method. Web Development has been great in the past few years ...

For small and medium-sized enterprises or the company's internal network as well as the Internet, through the Wingate agent to achieve access to the Internet, is an economic and practical program. Wingate's current popular version is WinGate5.0.1, which is divided into simple and professional editions (its free trial version can be downloaded from Internet sites: http://www.wingate.com.cn, etc.). This article will use the most extensive WinGate5.0.1 Professional edition, talk about its configuration and the use of some of the skills in the process. WinGate ...

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html"> SEO Diagnostic Taobao Guest Hosting Technology Hall Since last year, DDOS attacks have risen to a new height, and its landmark attack is against the international Anti-spam and cloudflare large-scale DDOS attacks, traffic once reached 120G, of course, behind the DDOS far exceeded 120G, but this time attack ...

1. DDoS Attack Basics The main purpose of a Distributed Denial of Service (DDoS) attack is to make the specified target unable to provide normal services or even disappear from the Internet. It is one of the strongest and most difficult to defend attacks. According to the way initiated, DDoS can be simply divided into three categories. The first category to win, massive data packets flocked from all corners of the Internet, blocking IDC entrance, so that a variety of powerful hardware defenses ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall One, why to DDoS? With the increase of Internet network bandwidth and the continuous release of multiple DDoS hacker tools, DDoS attack is becoming more and more easy to implement. For commercial competition, retaliation and network blackmail and other factors, resulting in many IDC hosting rooms, business sites, game servers, chat networks and other network services have long been plagued by DDoS attacks, followed by customer complaints 、...

Intermediary transaction SEO diagnosis Taobao Guest Cloud mainframe technology Hall I believe that everyone has been suffering from the virus, the following is reproduced from the Self-Study programming network, see, Feel good, so special to the webmaster friends, intrusion detection is a very important day-to-day management of the server, but also managers must master skills. 　　The following author and everyone, a lot of attack, discerning the intrusion detection server. 1. View server status deploy the performance monitoring tool to implement real-time monitoring of the server this should be the standard configuration of the server. ...

CVS is an abbreviation for Concurrent version system (parallel version systems) for versioning. If you have been involved in too many people http://www.aliyun.com/zixun/aggregation/13700.html "> Collaborative development projects, you must have such a painful experience: as multiple people simultaneously modify the same file, His painstaking modification of the program was completely deleted by others. In addition, if your software/program has been released three ...

In a larger network of work environment, network administrators can not find an effective way to manage and maintain the network, then his work efficiency will become very low, without reducing the quality of the work of the network administrator will become more intense. Then how should network administrator for their own burden, let oneself from the frequent simple labor liberation? In fact, good at managing a DHCP server is a good way to lighten the network management of the DHCP server, the entire process of the establishment of the most critical, reasonable settings can really make the Internet management once and for all! 1. Set the lease term ...

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall August 26 news, the North Dragon Medium net carries the domain name registration management organization CNNIC to release the domestic first "China Domain Name service and the Security status report", "the report" shows that our country current domain name server total quantity nearly million, among them more than 50% 　　Domain name server is relatively insecure, and 57% of our important information systems have the risk of domain name resolution. The following is the "China Domain Name Service and security status report" Full text: report summary:-As of August 10, 2010, monitoring ...