游戏产业的迅猛发展也让游戏产业成为被黑客攻击的重灾区。什么原因让游戏行业成为DDoS的攻击重点。总结有如下原因和主要手段：
1.游戏行业的攻击成本较低，攻防成本1：N。随着DDoS攻击的打法越来越复杂，攻击点更是越来越多，基本的静态防护策略已无法达到较好的效果，易攻难守的特点让游戏行业成为黑客的眼中肥肉。
2.游戏行业生命周期短。据2017年上半年游戏行业DDoS态势报告显示，90%的游戏业务在被攻击后的2-3天内会彻底下线，游戏公司日损失可大数百万元。黑客认定游戏公司为避免损失更大，相对更愿意支付“保护费”。
3.游戏行业对于持续性的要求更高，需要7*24*365在线畅通。据2017年上半年游戏行业DDoS态势报告显示，攻击超过2-3天以上，玩家一般会从几万人掉到几百人，玩家决定了游戏的存亡，失去玩家就等于频临垂死。
4.游戏行业火爆，同行之间竞争激烈，造成不少的恶意竞争。这也是导致游戏行业DDoS攻击数量剧增的原因之一。
当前游戏行业DDoS攻击的主要手段有以下几种：
SYN/ACK Flood 攻击
这种攻击方法是经典最有效的 DDOS 方法， 可通杀各种系统的网络服务， 主要是通过向受害主机发送大量伪造源 IP 和源端口的 SYN 或 ACK 包，导致主机的缓存资源被耗尽或忙于发送回应包而造成拒绝服务， 由于源都是伪造的故追踪起来比较困难， 缺点是实施起来有一定难度， 需要高带宽的僵尸主机支持。少量的这种攻击会导致主机服务器无法访问， 但却可以 Ping 的通， 在服务器上用 Netstat -na 命令会观察到存在大量的 SYN_RECEIVED 状态，大量的这种攻击会导致 Ping 失败、TCP/IP 栈失效，并会出现系统凝固现象，即不响应键盘和鼠标。普通防火墙大多无法抵御此种攻击。
TCP 全连接攻击
这种攻击是为了绕过常规防火墙的检查而设计的，一般情况下，常规防火墙大多具备过滤 T earDrop、Land 等 DOS 攻击的能力，但对于正常的 TCP 连接是放过的，殊不知很多网络服务程序(如：IIS、Apache 等 W eb 服务器)能接受的 TCP 连接数是有限的，一旦有大量的 TCP 连接，即便是正常的，也会导致网站访问非常缓慢甚至无法访问，TCP 全连接攻击就是通过许多僵尸主机不断地与受害服务器建立大量的 TCP 连接，直到服务器的内存等资源被耗尽而被拖跨， 从而造成拒绝服务， 这种攻击的特点是可绕过一般防火墙的防护而达到攻击目的，缺点是需要找很多僵尸主机，并且由于僵尸主机的 IP 是暴露的，因此容易被追踪。
刷脚本攻击
这种攻击主要是针对存在 ASP、JSP、PHP、CGI 等脚本程序，并调用 MSSQLServer、MySQLServer、Oracle 等数据库的网站系统而设计的，特征是和服务器建立正常的 TCP 连接， 并不断的向脚本程序提交查询、 列表等大量耗费数据库资源的调用， 一般来说， 提交一个 GET 或 POST 指令对客户端的耗费和带宽的占用是几乎可以忽略的，而服务器为处理此请求却可能要从上万条记录中去查出某个记录， 这种处理过程对资源的耗费是很大的， 常见的数据库服务器很少能支持数百个查询指令同时执行，而这对于客户端来说却是轻而易举的， 因此攻击者只需通过 Proxy 代理向主机服务器大量递交查询指令， 只需数分钟就会把服务器资源消耗掉而导致拒绝服务，常见的现象就是网站慢如蜗牛、ASP 程序失效、PHP 连接数据库失败、数据库主程序占用 CPU 偏高。这种攻击的特点是可以完全绕过普通的防火墙防护， 轻松找一些 Proxy 代理就可实施攻击， 缺点是对付只有静态页面的网站效果会大打折扣，并且有些 Proxy 会暴露攻击者的 IP 地址。
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