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(This is because the platform sends the opening information twice in a row when making the order, causing the second information to close the business. This problem can be handled directly by contacting the online customer service.)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.The above example show that that default policy for the FORWARD chain in the filter table is set to ACCEPT墨鲫忙道：是我的。The collection book can be customized according to your zodiac,尹旭彻底无奈了，想要掰开姑娘的小手，刚一动手，泪水呼呼就流下来，哭的泪人似的。每天都有崭新的货船出坊，每天都有满怀期望的商人入海，小小的半个南洋，眼看已经装不下他们了。