LinkDeny强大的访问控制功能,可以用于网站防盗链和潜在的黑客攻击 ,可以通过以下方式来限制:
IP 地址
Referring URL (来源网址)
国家和地区
Demographics
Length of user session
浏览器类型
Existence of cookie
HTTP request header type and content
Features
- Rules-based system for transparently controlling site access over any HTTP/HTTPS connection to a Microsoft IIS Web server:
- Allow or Deny access to specific URL paths or MIME types of files (wildcards and regular expressions supported) requested by a browser or proxy server based on pre-configured criteria:
- By Referer URL, domain or host name (the URL from which a request is made)
- By User-agent type (browsers like Internet Explorer and Firefox (Mozilla/5.0), search engine robots like Googlebot, etc.)
- By IP address (by single IP address, a range of IP addresses or the IP addresses of specific countries by a geographic IP address database integrated from Port80 Software partner MaxMind - learn more about included 97% accurate database or optional 99% accurate database upgrade)
- By HTTP request headers standards conformance (the presence of specific text in request headers)
- By user session (allowed time for URL access, managed by URL or cookie flag and mask)
- Full control of LinkDeny site requests and responses, including:
- Log and take no action (by default on installation)
- Redirect request to a specific URL on your site or any site
- Replace response with a particular file (image, HTML, etc.)
- Replace response with 404 HTTP server error message
- XML-based Rule Templates provide ready-to-deploy anti-leeching and access control rules; dozens of access control templates provided, including
- Templates to Allow or Deny a request based on geographic IP data:
- Any specific country
- More than two dozen continental and regional rule templates (North America, Europe, Southeast Asia, the Caribbean, etc.)
- Rule templates by demographic information:
- Top Countries with Most Internet Users
- Top Countries with Longest Surfing Internet Users
- Top Countries with High Risk for Hacking or Fraud
- Top Countries with High Risk for Phishing Attacks
- English Speaking Countries
- Miscellaneous country affiliation rule templates:
- European Union (EU)
- World Trade Organization (WTO) Countries
- U.S. Embargoed Countries
- Templates to Allow or Deny a request based on the request's referring site:
- Content Leeching Sites rule templates:
- Top Blog Hosts (Blogspot, LiveJournal, etc.)
- Top Social Networking Sites (MySpace, etc.)
- Top Auction Sites (eBay, etc.)
- Top Anonymous Surfing Sites (Proxify, The-Cloak, etc.)
- Other Major Internet Sites rule templates:
- Top Search Engines (Google, Yahoo!, etc.)
- Top News Sites - General (NYTimes, Slate etc.)
- Top News Sites - Local and TV (NYPost, Telemundo, etc.)
- Top News Sites - Financial (SmartMoney, Bloomberg, etc.)
- Top News Sites - Tech (Slashdot, InfoWorld, etc.)
- Top Internet Portals (MSN, Amazon, etc.)
- Templates to Allow or Deny a request based on best practice security policies:
- Allow common Web browsers only rule template
- Deny images or video without user-agent header present rule template
- Deny image or video without referrer present rule template
- Full logging functionality intercepted requests and LinkDeny actions
- Transparent logging only mode (by default)
- Logs available in text files for review
- LinkDeny rule testing utility to validate rules and insure proper anti-leeching and access control rules
- Import/export settings for migration and server-farm deployments
- Multiple management interface options
- Easy to use GUI management interface
- Direct XML rule file editing
- No server bounce required
- No restart on install
- No service interrupt on settings change
- Supports single IIS Web server or IIS Web farms
- Implemented as super-fast ISAPI filter
- Compatible with ASP, ASP.NET, ColdFusion, PHP and most JSP application server environments
- Simple to install/uninstall
Benefits
- Stop content leeching sites from stealing bandwidth by copying your file links and inline linking to your site or application's content
- Control access to sensitive, private, proprietary, paid, or copyrighted files and downloads
- Boost server availability and reducing serving costs
- Improve management of time-restricted content for paid sites
- Help reduce affiliate fraud by insuring legitimate referrals
- Avoid service interruptions from unplanned traffic surges by managing access for designated incoming links
- Control user experience by redirecting dead links for better SEO management
- Help protect against annoying users like blog comment spammers
- Fully understand your leeching and access problems with intelligent logging
System Requirements
- IIS 6.0 / Windows Server 2003 (all x86-32 Bit versions; sign up for the x86-64 Bit Beta Alert)
- IIS 5.1 / Windows XP (not recommended for production use)
- IIS 5 / Windows 2000
- IIS 4 / Windows NT
- Note: IIS 7 / Windows Server 2008 not yet supported (sign up for the IIS 7 Beta Alert)