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大学生活那些事We can use the-R option to modify the rules in the specified chain. When modifying the rules, we can specify the corresponding number of the rules (pit, careful line). The example command is as followsIf the command in the above example does not use-s to specify the original source address in the corresponding rule, After the modification is completed, The source address in the rule you modify will automatically change to 0.0. 0.0/0 (this IP represents an IP address that matches all network segments), At this time, the corresponding action of-j is REJECT, Therefore, if the original source address of the rule is not specified when executing the above command, all IP requests will be rejected (because the original source address is not specified, the source address of the current rule will automatically change to 0.0. 0.0/0). If you are using ssh to remotely go to the server for iptables setting, your ssh request will also be blocked.我帮你妹妹画画，你不是该感谢我吗，怎么嫉妒起来？张杨闻言笑道：黄豆嫉妒？那就自己画一幅。电影以抗美援朝战争第二次战役中的长津湖战役为背景，讲述了在结束了新兴里和下碣隅里的战斗之后，七连战士们又接到了更艰巨的任务……夜深人静，一条古老的街道，只见一盏鬼火忽远忽近，这座冰森阴冷的古镇，节目组的到来打破了原有的宁静，当地姑娘阿娜依的出现让真人秀节目组出现一连串诡异又恐怖的事情，节目组偷偷的架好机器准备把这一切拍出来，没想到阿娜依使用蛊术让节目组的“演员”毁了容，没想到意外却发生了，节目组的人相继失踪或“死亡”，这个古镇开始出现可不思议的灵异事件，所有人都开始惶恐不安，众人开始怀疑阿娜依。究竟是什么“鬼”在作祟......一场揭秘真人秀背后的惊悚事件强烈来袭......