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The firewall sets the SYN forwarding timeout parameter (the firewall for state detection can be set in the state table), which is much less than the timeout time of the server. When the client sends the SYN packet and the server sends the acknowledgement packet (SYN + ACK), if the firewall has not received the acknowledgement packet (ACK) from the client by the time the counter expires, it sends the RST packet to the server to cause the server to delete the half connection from the queue. It is worth noting that the setting of gateway timeout parameters should not be too small or too large. If the setting of timeout parameters is too small, it will affect normal communication. If the setting is too large, it will also affect the effect of preventing SYN attacks. This parameter must be set according to the network application environment.HH接受自己毫无经验领域的委托的凛花和事务所的牛岛以及后辈小兰，尽管再迷茫他们也合力直面挫折，共同帮助有困难的委托人。元朝末年，此起彼伏的反抗运动时有发生，江湖上也是风起云涌，暗藏杀机。一百多年来，武林中人都在争夺倚天剑、屠龙刀这两件武林神器，江湖传言武林至尊，宝刀屠龙，号令天下，莫敢不从，倚天不出，谁与争锋。倚天剑落在峨嵋派掌门灭绝师太手中，后屠龙刀亦为明教护教法王金毛狮王谢逊夺得，惟有两件神器一并在手才可雄霸天下。武当派弟子张翠山夫妇因刀惨死，其中张无忌机缘巧合习得九阳神功，并卷入了这场武林是非中。After arriving at the U disk, copy the 1.04 M Neogeo.zip to the corresponding game rom folder, as shown in the following figure.