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)
- Rethinking Cybersecurity For A World Of AI And Machine Identities - March 10, 2026
- Who Do You Trust Online—And Why? - February 19, 2026
- EC-Council Launches New AI Certifications To Close The Skills Gap - February 10, 2026
