97人人模人人爽人人喊

对于这类问题，他们自小被家人考问多次，最是熟练了，如今能回答的滴水不漏，一个亲人也不得罪。Since http is based on tcp, You need to complete a three-way handshake to establish a tcp connection before you can start http communication, Therefore, when http flood attacks are carried out, it is not possible to use forged source ip addresses to launch attacks. An attacker will typically use an http proxy server, Not only can the source be hidden from being traced, It also improves attack efficiency-after the attacker connects to the proxy server and sends the request, You can directly disconnect from the proxy server and start connecting to the next proxy server, At this time, the http connection between the proxy server and the target web server is still maintained, and the web server needs to continue to accept and process data. An efficient http flood attack should continuously send http requests for different resources and pages, and request resources that cannot be cached as much as possible (such as keyword search. User-related information, etc.)香荽则攀着八字型木梯，专门摘那枝桠顶端的花儿。In real life, observer mode can be seen everywhere, for example, subscribing to parade numbers in WeChat, subscribing to blogs and paying attention to friends in QQ microblog, all of which belong to the application of observer mode.But lucky enough to be spoiled and hurt