FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
This article describes the issue of using a loopback interface as the source interface for LocalOut in FortiGate, and provides a step-by-step solution to resolve the problem. The article explains how to configure an alternative interface as the source for DNS and FortiGuard services.
Scope
FortiGate.
Solution
To resolve the issue of using a loopback interface as the source interface for LocalOut in FortiGate, follow these steps:
Go to Network -> Interface and create a new interface or use an existing one that is not connected to any network.
Configure the new interface with the public IP address that was previously assigned to the loopback interface.
Go to System -> FortiGuard and set the source IP address to the IP address of the new interface.
Verify that the FortiGate can reach the FortiGuard servers using the new interface.
By following these steps, configure an alternative interface as the source for DNS and FortiGuard services, resolving the issue of using a loopback interface as the source interface for LocalOut.
