Fortigate Workspace Mode
FortiGate firewalls activate every command immediately. To change the IP address and the default gateway on a remote device, can be very tricky. Using Workspace Mode avoids this problem. I…
Addresses used by Fortinet
Beginning with FortiOS 6.4, anycast is used to update pattern files, web-filter and DNS filter queries. Unfortunately the IP address of the DNS filter is not set automatically in FortiOS.…
Use LLDP on FortiGate
Enabling LLDP reception allows the FortiGate to receive and store LLDP messages, learn about active neighbors, and makes the LLDP information available. LLDP can be activated globally: config system global…
IGMP Snooping Querier with Managed FortiSwitch
⇒Here I wrote how to configure a FortiGate with managed FortiSwitches as IGMP querier. It is a good solution if the multicast traffic has to pass the FortiGate. If the multicast…
IGMP Querier with Managed FortiSwitches
If you need to configure an IGMP querier on managed FortiSwitches, you find nothing in the documentation. Once you know how it works, it is very simple. The interface of…
FortiGate “Deny: DNS Error”
Fortigate firewalls do inspect the data stream. This is also true for DNS (Domain Name Service). Sometimes you will see the error: "Deny: DNS error" in the logs Having a…