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Networking
Azure Firewall
- Know the difference between Azure Firewall policies and rules
- policies can be applied to virtual hubs and virtual networks; rules can only be applied to virtual networks
- policies can be centrally managed using Firewall Manager
- rules are managed per firewall
- rules are free
- there are additional costs when policies are applied to more than one firewall
- Know the difference between Azure Firewall and WAF
- virtual hubs vs. virtual network
- firewall rule processing are prioritized in this order…
- network rules
- application rules (target FQDN)
- application rules (FQDN tags), used for Microsoft services
Application Gateway
- An AppGateway combines a L7 load-balancer and WAF
- Logs can be sent to EventHub, Log Analytics or Azure Storage
- Alerts can be sent to Security Center
Resource Firewall
- Is a firewall that can be put in front of certain Azure services (e.g. storage accounts, Azure SQL)
Network Isolation
- network restrictions on AppServices and Functions traffic