COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.
Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.
A type of computer network packet filtering that examines a packet's data section (and sometimes the header) as it passes an inspection point to detect any protocol non-compliance, viruses, spam, intrusions, or defined criteria, and thus identify, reroute or stop packets with undesirable code or data.