Definition: A packet filter is a type of firewall. Packet filters can restrict network traffic and protect your network by rejecting packets from unauthorized hosts, using unauthorized ports or trying to connect to unauthorized IP addresses.
Latest posts by Tony Bradley (see all)
- Rebuilding Identity Security From Scratch for the Age of AI Agents - September 21, 2026
- Moving Past Indicators Toward Behavior - September 9, 2026
- When the AI Breaks Its Own Rules - September 2, 2026




