Fortiguard is a subscription based service from Fortinet, where your Fortigate queries their servers in real-time for various services: Periodic checking of Fortigate subscription/license validity for Web Filtering/AppControl/AntiVirus/AntiSpam/DNS Filtering. Real-time querying for visited by users web sites rating. Periodic signatures updates for IPS/AppControl/AntiVirus …
Around 50,000 Fortigate VPN accounts from around the globe were leaked to the public Internet last week. Not really news anymore, you can learn details elsewhere. What I asked myself about that was – is there anything to be done to prevent or lower the damage of such vulnerabilities? The …
Recently I had the opportunity to configure an external threat feed as a block list for the Fortigate and was pleasantly surprised by how much simpler it has become. Task at hand: Block incoming connections sourced from IP addresses supplied as a list by a 3rd party commercial Threat Intelligence …
The guest user accounts are special in Fortigate and unlike regular local Firewall user accounts. The flow of creating them is: Let's configure it. First, you create Groups, which serve, in this case, as a template for various parameters users can/must have later: User & Device -> User Groups -> New .. -> Type …
Is your IPS actually doing what you expect? You have to test your configurations, especially with the Intrusion Prevention System, which demands not only On/Off switch, but also tuning or it may become useless. With AntiVirus we have Eicar fake virus on eicar.org to download. With IPS there …
When the policy install fails on Fortimanager, it may mean many things as the process is quite complex with database/policy verification. But frequently, it happens because the communication tunnel between Fortimanager and Fortigate is down. The tunnel works on port 541, is encrypted (so we cannot see the contents …
Fortigate comes with some services allowed in incoming direction, even without any configuration done by you. Important to note is that in such pre-configured security rules the destination is mostly the Fortigate itself, sometimes its specific interfaces, sometimes all of the interfaces. That is, this does not allow access though …
The general workflow is: Facts to know: Available server types: http, https, imaps, pop3s, smtps, ssl, tcp, udp, ip Server types ssl, https and all the SSL based ones are available in Proxy inspection mode of the Fortigate only. Only starting with FortiOS 6.2.1 https load balancing supports …
Facts to know: You use Dos protection by creating Dos policy (Policy & Objects -> IPv4/Ipv6 DoS Policy) in which you enable/modify anomalies. The list of anomalies is pre-set in any policy you create. You only have the choice which ones to enable and which ones not to. All anomalies …
Last updated: August 2020 PDF version of this post: Fortigate BGP cookbook of example configuration and debug commands.pdf BGP with two ISPs for multi-homing, each advertising default gateway and full routing table. Uses route-map, prefix list, weight Prevent our Fortigate from becoming a transit AS, do not advertise learned …