CheatSheet – FortiOS v6.4

The System Engineers of BOLL Engineering have been supporting Fortigate devices for 18 years. This year, FortiOS v6.4 was released and we have again gathered all the troubleshooting commands that we use regularly in our new CheatSheet. Hopefully this CheatSheet will help you as well. You will find the most…

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Fortigate VM Azure: IPsec performance issue

Based on two recent support cases regarding the IPsec performance between an OnPrem and Azure FortiGate, we did some testing using the latest FortiOS 6.4.1. We’ve created a basic IPsec tunnel using the wizard, deployed an Ubuntu machine at both sites and used iPerf3 to do some speed testing. The…

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Websites are not working anymore

Since June 1st you may notice that some websites (https) are not working anymore when Fortigate or the Palo Alto Networks Firewall is doing decryption or certificate inspection. Typically you are getting one of the following error messages:  5,797 total views

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FortiOS 6.2: Upgrade Notes

Due to several known issues, we did not recommend the use of FortiOS 6.2 in productive environments for the first couple of months. As per FortiOS 6.2.5, we noticed that most of the issues have been resolved. Please have a look into our FortiOS upgrade guide for the upgrade procedure.

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New PSIRT-Advisory from Fortinet

Last week Fortinet has released a critical PSIRT-Advisory “Improper check for certificate revocation vulnerability” Unfortunately the article does not give exact information regarding the background or the solution and we couldn’t find further information about the issue, either. Maybe you have more information?

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