When configuring the Ethernet ports on your firewall, you can choose from virtual wire, Layer 2, or Layer 3 interface deployments. In addition, to allow you to integrate into a variety of network segments, you can configure different types of interfaces on different ports. The following sections provide basic information on each type of deployment. [...]

When it comes to live troubleshooting or to ensure certain traffic is either blocked or allowed one relies heavily on logs, Palo Alto Network Firewalls does provides very good logging options and fields. Its quite easy to read them and understands them. By default when some one creates any security policy Palo Alto Networks Firewall [...]

We all know Palo Alto Network Firewalls offers quite flexibility deployment options, one can also deploy Palo Alto Networks in Virtual Wire or V-Wire mode. This is the beauty of Palo Alto Networks Firewalls , the flexibility it offers cannot be matched by some of the leading firewall vendors. Though other vendors offers the same [...]

Basic: Initial Packet Processing —-> Security Pre-Policy —-> Application —-> Security Policy —-> Post Policy Processing Advance: Initial Packet Processing —-> Source Zone/Source Address —-> Forward Lookup —-> Destination Zone/Destination Address —-> NAT policy evaluated   Security Pre-Policy —-> Check Allowed Ports —-> Session Created   Application —-> Check for Encrypted Traffic —-> Decryption Policy —-> Application Override Policy —-> Application ID [...]