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If an attacker sends SYN packets quickly with their own undisguised IP address, this is a so-called direct attack. This attack is very easy to implement because it does not involve spoofing or modifying packets below the user layer of the attacker's operating system. For example, he can simply send many TCP connection requests to implement this attack. However, for this attack to work, the attacker must also prevent his system from responding to SYN-ACK packets because of any ACK, RST, or ICMP (Internet? Control? Message? Protocol) will cause the server to skip the SYN-RECEIVED state (go to the next state) and remove the TCB (because the connection has been successfully established or recycled). Attackers can do this by setting firewall rules, causing the firewall to block all packets (except SYN) to reach the server, or causing the firewall to block all incoming packets so that SYN-ACK packets are discarded before reaching the local TCP handler.Core3v5i32 applies to:FORWARD rules can exist in: Mangle table, filter table.1. Since the establishment of the Industrial Company, a series of measures taken by the Company's Party Committee in the reform, development, management and service of the Company are pragmatic and correct, which have played a positive role in promoting the development of the Group Company. For example, the "three system reforms" have greatly promoted the process of the modern enterprise system of the group company. The implementation of the "morals construction" activity has played a positive role in improving the service level of industrial companies. The decision to clean up and rectify the multi-economic enterprises is very correct and timely, which has played a very good role in standardizing the operation of the group company. The management policy of "basing on the main business, giving priority to occupying the main business market" and "vigorously developing the social market" is also correct. It enables industrial companies to actively participate in market competition under the premise of giving full play to their own advantages. The management strategy is relatively mature and practical. Under the guidance of this policy, all subordinate units and municipal branches have achieved better management results.《TV动物农场》是SBS老牌动物专业节目，节目追求人与动物的真正的沟通。(4) snmp magnification attack