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This leads to an obvious potential DoS attack. Incoming SYN packets will be allocated too many TCB and the host's kernel memory will be exhausted. In order to avoid this memory depletion, the operating system usually associates a "backlog" queue parameter with the listening interface, which maintains both the upper TCB number of connections and the SYN-RECEIVED state. Although this scheme protects the host's available memory from attack, the backlog queue itself brings a (small) source of attack. When there is no space in the backlog, it is impossible to respond to new connection requests unless the TCB can be recycled or removed from the SYN-RECIEVE state.Q: Will you follow certain steps in the competition?An event can be active (open) or stopped (closed). Active means that the event scheduler checks whether the event action must be called. Stopping means that the declaration of the event is stored in the directory, but the scheduler does not check whether it should be called. After an event is created, it becomes active immediately, and an active event can be executed once or more times.我看你是被韩信给吓到了，哪有什么阴谋？现在的韩信还是以前韩信吗？有如今战绩，他托大也是有的。但是终究没有说出一句完整的话。周菡见大家都忙着。妇人怜悯地说道：咱们又没给东西它吃，它不得自己出去找？唉，怕是晚上没地方去，就让它呆在这吧。