Learning about the ZIA Firewall policy
Traditionally, physical firewalls have been in use for a very long time by enterprises. Firewalls limit unsolicited inbound traffic to an enterprise and keep track of the outbound data connections generated by end users and applications, and only allow them back in. These firewalls also perform additional functions such as NAT and protocol inspection.
Zscaler offers a basic and advanced cloud firewall capability that allows configuration of access control policies, as with a physical firewall. The basic firewall only allows you to create rules using source IP address, destination IP address, source port, destination port, and protocol. The advanced firewall offers the use of Zscaler default Network Services and Network Application definitions. It also allows the creation of custom services.
The Firewall policy consists of five main components—Firewall Control, NAT Control, DNS Control, FTP Control, and IPS Control. Let's now...