Defense & Security · Recorded milestone
Network firewall
Recorded year1988
Packet filters at DEC begin defending networks from intrusion.
Explore this milestone on the interactive mapBuilt on
- MicroprocessorRecorded · 1971requires
- TCP/IPRecorded · 1974enables
Led to
Sources & evidence
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.