Topic Last Modified: 2011-05-02

• Use a reverse proxy deployed in the perimeter network to enhance the security of Lync Web App on the Internet.
  
  
• Observe security settings for Internet Information Services (IIS), based on your server operating system version choice:
  
  
  • IIS 7.0: Configuring Security at http://go.microsoft.com/fwlink/?LinkId=145232
    
    
  • IIS 7.5: Internet Information Services (IIS) 7.5 at http://go.microsoft.com/fwlink/?LinkId=217605
    
    
• Choose authentication methods to fit your users’ needs:
  
  
  • Integrated Password Authentication. Uses NTLM/Kerberos to provide encrypted logon methods for internal users
    
    
  • Forms-Based Authentication. Provides a username/password prompt and supports external user authentication, users of Macintosh, Linux, and users not running the Internet Explorer Internet browser
    
    
  • Custom authentication, Supports methods such as PIN input, and smart card