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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.)TV动画《魔法少女小圆☆魔法少女小圆外传2nd SEASON-觉醒前夜-》的放送决定于7月31日（周六）24:00开始！新任深厦市市委书记郑毅然，坚决执行省委的指示，对国有资产的重组进行了调查，并要求公安机关和司法部门，给深厦市的经济腾飞创造一个稳定的社会环境。深厦市的经济能人兆辉煌，试图拉拢腐蚀郑毅然，试图在国有资产的重组中侵吞国有资产。但高度警觉的郑毅然识破了兆辉煌的一系列伎俩，并发现兆辉煌和深厦的几个未破的刑事大案有重大关系。在郑毅然的领导下，公安机关终于查证了兆辉煌刑事犯罪的证据。一个作恶多年影响了深厦社会秩序的犯罪团伙被打掉，兆辉煌受到了法律的严惩！　　多年前，因为苗国金的疏忽女儿苗正欣的眼睛意外失明，为救治女儿的眼睛，他工作失职，导致五十万公款被骗，进了监狱。玩具厂意外发生了一场大火，苗国金的妻子洪秀为救徒弟哈将军受伤被送进医院。X光发现洪秀肺部有一块阴影，这正是癌症的凶兆，听此消息，洪秀顿时如同天旋地转，悲痛欲绝……得知自己不久于人世，洪秀做出了一生中最重要也是最残酷的决定。她要在癌细胞没有扩散之前把自己的眼角膜给女儿，她要在自己的有生之年看到女儿双眼复明。After executing the command to add rules, look at the INPUT chain again and find that the rules have been successfully "appended" to the end of the INPUT chain. Now, the first rule indicates to discard all messages from 192.168. 1.146 and the second rule indicates to accept all messages from 192.168. 1.146. What is the result? Practice shows true knowledge. I used the ping command to send a message to the 156 host again on the 146 host, and found that the ping still failed. It seems that the second rule did not take effect.Conclusion 2: Ying Long with purple stars all over his body has a critical strike rate (including buff) higher than 50% and lower than 90%, and the highest profit is from attack set + critical strike set +24 attack% +6 explosive injury%.