S4F is a single-minded company.  Our innovative technical solutions provide safe Internet for individuals, families, schools, churches, businesses, and enterprises.   Each of our custom solutions is designed to meet the specific needs of specific industries and applications.  Choose from the product below for more information.

  • FilterPak for Windows:   Individuals, home, and networks without central network administration.  More information.
  • ESS – Enterprise Security System: No longer sold.  Schools, Libraries, Corporations where centralized management is preferred. More information.
  • Centipede Firewall:No longer sold or supported.  This firewall addressed security and connectivity issues at the network level.  More information.