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When the client SYN packet arrives at the filter gateway, the SYN agent does not forward the SYN packet, but actively replies the SYN/ACK packet to the client in the name of the server. If the client's ACK packet is received, it indicates that this is normal access. At this time, the firewall sends the ACK packet to the server and completes three handshakes. The SYN agent actually replaces the server to deal with SYN attacks. At this time, the filter gateway itself is required to have strong ability to prevent SYN attacks.A frenzied pretender杨长帆却不愿停下，只挥臂道：光头，你看澎湖之景，比之岑港如何？赵光头一愣，随着杨长帆扫视一番：谁更热闹不好说，但这里比当年岑港有规矩。全力以赴吧，这样的话，只要将他们的军队打残，我们大胜而归。在地下音乐界有点知名度的女生乐团两人组合“ハルレオ(harureo)”。Haru（門脇麦饰）和Reo（小松菜奈饰）两人为了各自发展，而决定解散。他们找来外援志摩（成田凌饰）一起做全国巡演。但是在路上Reo喜欢上志摩，志摩却喜欢上Haru。而其实Haru对Reo有着友情以上的感觉…。For the collected components starting with target and ending at the root node, two in this example. It is used for capture and bubbling of subsequent simulated events.