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Item ID 2795545 in Category: Communities - Volunteers

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DNS Flood防御
DNS攻击防御也有类似HTTP的防御手段，第一方案是缓存。其次是重发，可以是直接丢弃DNS报文导致UDP层面的请求重发，可以是返回特殊响应强制要求客户端使用TCP协议重发DNS查询请求。特殊的，对于授权域DNS的保护，设备会在业务正常时期提取收到的DNS域名列表和ISP DNS IP列表备用，在攻击时，非此列表的请求一律丢弃，大幅降低性能压力。对于域名，实行同样的域名白名单机制，非白名单中的域名解析请求，做丢弃处理。需要服务器搭建VPN的可以联系我！！ TG: @cdncloudyupei

Target State: All States Target City : All Cities Last Update : 27 February 2025 3:25 PM Number of Views: 13	Item Owner : cdncloudyupei Contact Email: (None) Contact Phone: (None)

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INNetAds > Communities > Volunteers > Item ID 2795545

2025-03-12 (0.577 sec)