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If an attacker sends a large number of SYN requests with fake source addresses, the server side will consume a lot of resources to handle this semi-connection, and saving traversal will consume a lot of CPU time and memory, not to mention retrying SYN + ACK on IP in this list. The end result is that the server has no time to ignore the normal connection request-denial of service. If you look at the SYN_RECV status on the server with the netstat-an command, you can see that there are a large number of connection states that are "SYN_RECEIVED"Most of them visit a family of more than three, and the restaurant can also add morning at their own expense. There is also an option. There is a zero breakfast in the lobby of the first district. There are conventional porridge, bread, fried dough sticks and soya-bean milk. There are not many varieties and it is really affordable.Public TreeNode getParent () {海洋和他那些打赏的钱，网站会按照一定比例，发放给作者。英王静静地看着儿子不语。男、女主角设定是对中年夫妻。本剧故事将中年人面对父母年迈、夫妻空窗期、小孩青春叛逆期等家庭社会问题。