I have a web server running in my on-premises network. I like to allow access to it from the internet via TCP port 443. To do that, I need to create two types of rules in my edge firewall. I need a NAT (Network Address Translation) rule to map a public IP address to the private IP address of the webserver. I also need an ACL rule to allow only relevant traffic (TCP 443). This ensures the traffic…
When we connect two networks via VPN connection, we only allow certain traffic to pass through (In most scenarios). This is the normal security best practice. We normally use a firewall to do this. When it comes to Azure, we may also need to connect virtual networks . In such situation, By using Azure Firewall, we can control the traffic between virtual networks. More info about Azure firewall…
When it comes to network security, we use firewalls for perimeter defense. It helps to define security boundaries for infrastructure. There are many conversations about validity of perimeter defense against modern security threats as its more about identities now. However, firewall is still the most commonly used tool to control in & out communications in a network.
In Azure so far, we…
