Application layer: An application layer firewall makes sure that only valid data exists at the application level before allowing it to pass through. Gartner disclaims all warranties, expressed or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose. Generation 2 firewalls—network protection: https://asbestos-removal-northamp99864.glifeblog.com/22356712/the-definitive-guide-to-kategorie-technologie