路由器防止

教你轻松设置路由器，防止别人蹭你的网！

设置页面-安全设置-防火墙设置-选择开启防火墙，开启IP地址过滤，开启MAC地址过滤三项-选择"凡是不符合已设IP地址过滤规则的数据包，禁止通过本路由器"和"仅允许已设MAC地址列表中已启用的MAC地址访问Internet。3.设置页面-安全设置-IP地址...

Cisco路由器上防止DDOS的一些建议

在路由器的CEF（Cisco Express Forwarding）表该数据包所到达网络接口的所有路由项中，如果没有该数据包源IP地址的路由，路由器将丢弃该数据包。例如，路由器接收到一个源 IP地址为1.2.3.4的数据包，如果CEF路由表中没有为IP地址1.2.3.4...

在路由器使用ACL防止IP地址欺骗

IP地址欺骗对策攻击者经常用来获取网络信息的一种方法是冒充成一个网络中可信的成员。攻击者欺骗数据包中的源IP地址，然后发往内部网络。攻击者只需要将数据包中的源IP地址改成一个属于内部子网的地址即可。1.入站规则决不允许任何源...

CISCO路由器上使用 TCP intercept 防止DOS攻击

1）定义一个acl，目的是要保护的机器：access-list 101 per tcp any host 202.106.0.20 由于没必要匹配源地址，一般的dos都伴随着地址欺骗，所以这里的source都是any.2）全局下开启tcp intercept.ip tcp intercept list 101 3）设置tcp拦截...

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