42 TECHNICAL RESEARCH SERVICES IN THE FIELD OF TELECOMMUNICATIONS AND COMPUTER NETWORKING, PACKET SWITCHING, FORMAL METHODS, SYSTEM ENGINEERING, INTERNET SECURITY AND COMPILER CONSTRUCTION AND SELF-HEALING SOFTWARE; CUSTOM DESIGN OF COMPUTER EQUIPMENT, APPARATUS AND SYSTEMS, NAMELY, DIGITAL DATA FIREWALLS, INTERNET DIGITAL DATA SECURITY, SECURE AUTHENTICATION AND AUTHENTICATED DIGITAL DATA TRANSFER, AND COMPUTER NETWORK SERVERS INCLUDING INTERNET SERVERS; COMPUTER PROGRAMMING SERVICES FOR OTHERS, IN PARTICULAR FOR DIGITAL DATA FIREWALLS AND DIGITAL DATA SECURITY SOFTWARE FOR USE DURING DIGITAL DATA RECEPTION, TRANSMISSION AND STORAGE AND DIGITAL DATA TRANSFER PROTOCOL USAGE; DEVELOPMENT, CONFIGURATION AND MAINTENANCE OF SOFTWARE FOR INTERNET WEB PAGES; RENTAL SERVICES FOR COMPUTER SOFTWARE AND HARDWARE FOR USE ON THE INTERNET; WEB HOSTING SERVICES FOR OTHERS; INTERNET-RELATED COMPUTER CONSULTING SERVICES; COMPUTER SOFTWARE AND HARDWARE DESIGN AND DEVELOPMENT FOR OTHERS; RENTAL OF COMPUTER SOFTWARE AND HARDWARE FOR TELECOMMUNICATION OF DIGITAL DATA