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For spoofing attacks, the first thing to consider is to choose the address. For the attack to succeed, the host on the spoofed IP address must not respond to any SYN-ACK packets sent to them. A very simple method that an attacker can use is to disguise only one source IP address, and this IP address will not respond to SYN-ACK packets, perhaps because there is no host on this IP address at all, or because some configuration has been made to the address or network properties of the host. Another option is to disguise many source addresses, and attackers will assume that hosts on some of these disguised addresses will not respond to SYN-ACK packets. To implement this method, you need to recycle the addresses on the list of source IP addresses that the server wants to connect to, or make the same modifications to hosts in a subnet.就那个破铃，三江那边不也有人在做么。FX将开发剧集版《异形》！诺亚·霍利(《冰血暴》)担任创剧人及执行制作人，雷德利·斯科特也有望担任该剧的执行制作人。222. X.X.121　　在中华人民共和国严厉打击刑事犯罪分子的震慑下，许多埋藏较深的沉案暴露出来。为增强破案力度，公安部成立了十几个特别案件侦破组，分赴大江南北、长城内外，专攻大案、要案和重案。当然了，他们也清楚地知道大梁位于中原要冲之地，可能会出现四面为敌的情况。