Description This article explains the most important logs to identify a
bad password in 802.1x user-based authentication in a switch managed by
the FortiGate (FortiLink). Scope FortiSwitch (FortiLink), FortiGate.
Solution Review of the Authentication...
Description This article describes a memory leak issue in the node
process on FortiOS version 7.4.8 that can trigger conserve mode. Scope
FortiGate devices running FortiOS version 7.4.8 and 7.6.3. Solution
Background: Conserve mode occurs when memory...
Description This article discusses the differences between parent and
child signatures in SD-WAN application matching when using application
groups and then outlines configuration strategies. Scope FortiGate with
SD-WAN. Solution Why SD‑WAN rules tre...
Description This article describes how to release an IP address when
FortiGate is the DHCP client. Scope FortiGate. Solution When switching
FortiGates, certain ISP providers require the FortiGate to release the
DHCP address to assign the same IP to t...
Description This article describes the common causes of IPSec VPN
disconnection issues and provides a systematic approach to
troubleshooting intermittent disconnections in FortiGate IPSec VPN
deployments. Scope FortiGate Firewalls. Solution Introduct...