NET 221Networking Defense

York County Community College · 3 credits · UGRD

Catalog

This course provides the student with an in-depth knowledge of the security aspects of TCP/IP networking protocols, and the security tools and techniques used to protect the network. Some topics covered in this course include: firewalls, remote access, virtual private networks, intrusion detection systems, and data auditing tools. Prerequisite: NET 110.

Recent sections

Fall 2026 · 1 section

Section	Days & time	Location	Instructor
01Class #32733	Time not published2026-08-24 - 2026-12-12	Online	Tagle, Betina
01 notes: Instructional method: Online