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As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.　　当温厚的盾面对卑劣的矛，当父亲是那个盾儿子是那个矛，会怎样？说咱们别想抓住他？这奸贼，太可恶了。《平凡的世界》根据路遥小说《平凡的世界》改编，由SMG尚世影业、华视影视、榆林文旅、上海源存影业、乐视网联合出品当代农村剧，并由毛卫宁执导，王雷、佟丽娅 、袁弘、李小萌、刘威、尤勇、夏铭浩等人主演。The difference between synchronous and asynchronous lies in the second stage. If the requester actively obtains the data, it is a synchronous operation. It should be noted that the read/write operation is also "blocked" until the data is read.2. Reflect things to the forum and seek the power of the network.曲向南（焦恩俊 饰）是全胜道馆的掌门人，然而，在一场十分重要的国际比赛中，曲向南被诬陷使用了兴奋剂，不仅被取消了比赛资格，更沦落认为了人人唾弃的无名小卒。戚百草（胡冰卿 饰）是曲向南的养女，在曲向南变成“过街老鼠”之时，只有戚百草坚定的相信父亲的清白，并为了证明清白而不断的努力着。十六岁那年，在好友范晓萤（谭松韵 饰）的牵线搭桥之下，戚百草进入了松柏道馆练习武道，并在此结识了若白（杨洋 饰）和喻初原（白敬亭 饰）等好友，在同贤武道馆的对手的切磋和比试之中，几人之间结下了坚实的友谊。在相处的过程中，戚百草和外冷内热的喻初原渐渐走到了一起，这让一直暗恋喻初原的方婷宜（赵圆瑗 饰）十分恼火。