LITTLETON, Mass. - April 30, 1997 - AltaVista Internet Software, a subsidiary of Digital Equipment Corporation, today announced the immediate availability of enhanced versions of its industry-leading Internet/intranet security products. AltaVista Firewall 97, the first active firewall, protects networks with unique evasive action technology that automatically responds to and stops network attacks. AltaVista Tunnel 97 works in conjunction with any firewall, application or Internet Service Provider to globally extend intranets across the Internet. With AltaVista Tunnel 97, remote workers have secure and cost-effective access to private networks.

AltaVista Firewall 97
AltaVista Firewall 97, the first active firewall, keeps constant watch on the network, actively deploying evasive actions to detect and stop network attacks. The AltaVista Firewall 97 for Windows NT (Intel and Alpha) and Digital UNIX (Alpha) is available immediately. Pricing is as follows:

• $2,495 for 25 nodes (available May 22)
• $3,995 for 50 node (available now)
• $7,995 for 200 node (available now)
• $14,995 for unlimited nodes (available now)

AltaVista Tunnel 97
AltaVista Tunnel 97 includes improved performance, scalability, 128 bit encryption for North America and an exportable 56 bit encryption key to allow the global extension of intranets across the Internet. AltaVista Tunnel 97 for Windows 95 and Windows NT (Intel and Alpha) is available immediately. AltaVista Tunnel 97 for Digital UNIX (Alpha) will be available on May 22. Pricing as follows:

• $99 for AltaVista Personal Edition
• $995 for AltaVista Tunnel Workgroup Edition (50 concurrent users)
• $1,995 for AltaVista Tunnel Workgroup L Edition (200 concurrent users)
• $2,495 for AltaVista Tunnel Workgroup XL Edition (512 concurrent users, UNIX Only)

Further information on AltaVista security solutions and AltaVista OnSite Computing is available at http://altavista.software.digital.com, or by calling 1-800-336-7890.

Press Contacts:
Chuck Malkiel
978-506-2902
chuck.malkiel@altavista.digital.com

Krys Monaco or Christina Lynch
617-266-8400
kmonaco@hi-tech.com
clynch@hi-tech.com