Do you really know about Telnet?
Created:Article attributes: originalArticle submission: iqst (papabang_at_qingdaonews.com)
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Summary2. Remote Logon3. Telnet
The telnet application not only facilitates remote login, but also provides hackers with another intrusion method and backdoor. However, while enjoying the convenience that Telnet brings to you, do you really know about Telnet?
2. Remote
PHP sends POST request 3, uses Telnet and fsockopen () to send POST information, and uses telnetfsockopen. PHP sends POST request 3, uses Telnet and fsockopen () to send POST information. telnetfsockopen understands the specific content of HTTP
In the previous section "process Introduction", we have a general understanding of the HTTP request process. This article describes how to use Telnet to simulate HTTP requests-access Baidu.
Let's get started!
1. Open "run"-> cmd to enter the command
PHP simulates sending post requests using Telnet and fsockopen () to send post messages, Telnetfsockopen
Knowing the specifics of the HTTP header and URL information, we started to try to write a header message to the server. Windows built-in
HTTP client Request and service solutionIntroductionHTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990,
IntroductionHTTP is an object-oriented protocol belonging to the application layer, which is suitable for distributed hypermedia information System because of its simple and fast way. It was proposed in 1990, after several years of use and
Start my first Telnet console project tour:To create a console project: Open vs Program, File = "new =" Project650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/662342/201701/662342-20170118202916609-135413544. PNG "style="
HTTP protocol1. What is the HTTP protocol?Protocol: A protocol is a standard agreed by both parties, the two sides in doing something, must follow the predefined norms to achieve and operate.HTTP: Hypertext Transfer Protocol, hypertext Transport
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