Where to find main courses on Firewalls, IDS/IPS, SIEM, DLP?

Hello everyone,

I am currently a student in cybersecurity, looking into jobs that can fit into my field of work. I noticed that most of the posting jobs say something along the lines of security systems of firewalls, Siem, etc...

My question is, where can I find or take courses for security systems listed above?

I want to start learning more about the systems and tools used in the cybersec, but I never figured out where to start. Please let …

courses cybersecurity dlp firewalls ids ips main siem