Firewall Types 3.2 Flashcards
Layer 4 VS Layer 7 Firewalls
Layer 4 Firewalls block or allow traffic based on the port number
Layer 7 Firewalls can block or allow traffic based on the application
A type of firewall called a […], combines several services into one device. These include:
- URL filter / Content inspection
- Malware inspection / blocking
- Spam Filter
- Router / Switch built in
- IDS / IPS
- Bandwidth Shaper
- VPN Endpoint
UTM Unified Threat Management
UTMs mainly operate at the […] layer of the OSI Model
Transport (Layer 4)
A more modernized firewall called a […], operates at the […] layer of the OSI Model
NGFW Next Generation Firewall
Application (Layer 7)
One feature of a NGFW allows you to block or allow sites based on a […]
Category
Ex: Gambling, Porn
Unlike a UTM or NGFW, a […] applies rules to HTTP and HTTPS conversations. This means it will allow or disallow the traffic based on the input of a web based application.
Ex:
- SQL Injection (Adding your own commands to an applications SQL query)
- Cross Site Scripting
Web Application Firewall (WAF)