Technical Tip: Server Name Indication (SNI)

Deepak_Girimaji_FTNT · 08-26-2025

Description This article defines the scope of TAC support with respect to firmware upgrades, routine maintenance activities, and requests for proactive and standby support. Scope FortiWeb. Solution Fortinet's Technical Assistance Centre (TAC) provide...

Deepak_Girimaji_FTNT · 07-22-2025

Description This article outlines that the deletion of the default local certificate on a FortiADC system is not permitted. Scope FortiADC. Solution All FortiADC platforms are provisioned with the following default certificates as explained below: Fa...

Deepak_Girimaji_FTNT · 06-08-2022

Description This article describes how to allow FortiWeb to support multiple server certificates. Scope FortiWeb v7.0.X and later. Solution To allow FortiWeb to support multiple certificates, the Server Name Indication (SNI) configuration is needed. ...

Deepak_Girimaji_FTNT · 01-18-2022

Description This article describes the steps to rebuild a cluster on FortiWeb. Scope FortiWeb all platforms. Solution Back up the configuration from the current Primary node. Access the FortiWeb unit that needs to be added to the cluster, and run the...

Deepak_Girimaji_FTNT · 01-18-2022

Description This article describes the 'duplicate license has been detected' error that occurs when a license (.lic) file that has been previously used is being re-used on a different VM instance and offers a solution. Scope FortiWeb and FortiMail VM...

Deepak_Girimaji_FTNT · 04-27-2022

Hello, It is always recommended to use the latest version as it contains patches for the latest issues found. You could either upgrade to the latest patch available in 6.2.X or 7.0.X. As with any upgrade, ensure to backup the configuration and any im...

Deepak_Girimaji_FTNT · 04-19-2022

Hello, This was a known issue related to proxyd. Upgrade to 6.3.13 or above should fix the issue. Thanks, Deepak

Deepak_Girimaji_FTNT · 12-13-2021

There is a new update for the WAF signatures to prevent attackers from performing variant remote code execution in Apache Log4j2 (CVE-2021-44228)Reference: https://www.fortiguard.com/updates/websecurity?version=0.00306

Deepak_Girimaji_FTNT · 12-13-2021

For FortiWEB, there is a new update for the WAF signatures to prevent attackers from performing variant remote code execution in Apache Log4j2 (CVE-2021-44228)Reference: https://www.fortiguard.com/updates/websecurity?version=0.00306

Deepak_Girimaji_FTNT · 12-11-2021

For FortiWEB, a signature has been released to mitigate vulnerability reported under CVE-2021-44228 in WAF signature database version 0.00305 (https://www.fortiguard.com/updates/websecurity?version=0.00305). You could verify the version by issuing th...

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Technical Tip: Scope of TAC Support with respect to Firmware Upgrades, Maintenance, and Proactive Assistance

Technical Tip: Removal of default local certificates on FortiADC