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(4) Purposeful exercises need to go out of the comfort zone.慢羊羊为了训练众小羊写好文章,于是想出方法,要众小羊每天写日记。于是,众小羊开始把每天的遭遇、感想都记录在日记中。其中有灰太狼发明了抓羊迷雾,众小羊合作逃生;沸羊羊怕自己的鼻鼾声骚扰众羊的睡眠,于是独自睡到了外面,而且还遇到了同病相怜的灰太狼;暖羊羊千方百计地改变自己的乌鸦嘴;美羊羊为了做好一个蝴蝶结,弄得笑话百出;懒羊羊依旧悠然自得;慢羊羊发明了能吸引小羊看书的立体喷雾,把书中的灰太狼变出来,弄得羊村大混乱等等。羊羊所写的日记,称之为:开心日记。At present, under the guidance of the Network Security Administration Bureau of the Ministry of Industry and Information Technology, CNCERT organizes provincial sub-centers, operators, security enterprises, cloud service providers, etc. to continuously carry out DDoS attack resource management, requiring all units to timely notify and process servers, computer hosts and intelligent devices found to be used for reflection attacks, and requiring operators to strengthen the fine management of false source address traffic. In addition, it is recommended that users and relevant users improve their network security awareness and security protection capabilities, update and upgrade firmware or service programs in a timely manner, repair vulnerabilities, and standardize security configuration. For servers, computer hosts and smart devices that do not need to provide public Internet services, it is recommended to directly shut down DNS, SSDP, NTP, SNMP, Chargen, Memcached and other services, or block external IP access to these service ports on firewalls or network entrances and exits. For those who need to provide services to designated IP, access control policies such as firewalls can be configured to allow authorized IP access and prohibit other IP access. In addition, some services such as Memcached can also prevent reflection attacks by changing the default service port or changing the transmission protocol type to TCP. For those who need to provide public Internet services, according to the characteristics of reflection attacks, the message traffic of specific reflection attack instructions can be monitored, identified and filtered, and the forged source IP address of reflection attacks can be monitored, identified, limited in speed, limited in flow and intercepted.没有女人会不在乎这个。尤其是刘邦，他虽然带兵打仗不怎么样，可是这兵法谋略还是很有一套的，他能够听得出来，韩信这番话可不是信口胡诌，而是有理有据，条理清楚的谋略计策。As far as the sub-conclusions are concerned, especially the sub-conclusions (also known as keylinemessage) that directly support the main conclusion, the most important thing is to balance without bias.