IIS 可以用的security相關管理工具

IP Security
http://www.iis.net/configreference/system.webserver/security/ipsecurity

Dynamic IP Restrictions
http://www.iis.net/downloads/microsoft/dynamic-ip-restrictions

Using the URL Rewrite Module
http://www.iis.net/learn/extensions/url-rewrite-module/using-the-url-rewrite-module