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The reason why the defense attribute is weak.Use the-S option to indicate the "source address" in the "matching condition", that is, if the source address of the message belongs to the address corresponding to-S, then the message meets the matching condition, and-S means source, indicating the source address.说不定还会背上个帮凶之名。Since you use the-R option to modify a rule, You must specify the matching criteria for the original rule, Then we can understand that, The action corresponding to the rule can only be modified through the-R option, So I think if you want to modify a rule, it is better to delete the rule first and then insert a new rule in the same position. Of course, if you only want to modify the action of a rule, don't forget to specify the matching conditions corresponding to the rule when using the-R option.我刚才听见的，哪里就走那么快？不走快些，难道在这等你？嘿嘿，你不会是起了什么小心思吧？别扯了。Dear users, hello!