Technical Tip: ERR_SSL_PROTOCOL_ERROR when using F...

pjang · 12-10-2025

Description This article discusses AES-GCM encryption on the FortiGate in reference to IKE/IPsec tunnels. More specifically, this article discusses how AEAD algorithms ('Authenticated encryption with associated data', like AES-GCM) require a 'None' I...

pjang · 12-08-2025

Description This article describes a known behavior with NGFW policy-based mode where using a certain combination of Application signatures and settings in Security Policies can result in traffic not matching those policies. The following are a list ...

pjang · 12-05-2025

Description This article describes the process of performing an RMA replacement of a defective FortiGate, including: Initial steps for determining if an RMA replacement is required. Preparing for RMA. Opening a ticket with Fortinet TAC/RMA. License T...

pjang · 12-03-2025

Description This article describes an expected behavior that can occur when attempting to access a ZTNA-protected server when authentication is required. Notably, this issue occurs when the following conditions are met: FortiGate ZTNA is configured (...

pjang · 11-17-2025

Description This article describes the port4 interface on Azure FortiGate-VMs, including why it is critical for it to be configured properly when using the Azure SDN fabric connector on the FortiGate. This article will also link to a number of relate...

pjang · 06-18-2025

Sorry to necropost, but just to let you know: we've taken your feedback and had our documentation team update the FortiWiFi/FortiAP Configuration Guide to better explain the extra steps involved for LAN-only FortiAPs vs. WAN-LAN equipped FortiAPs.As ...

pjang · 03-13-2025

Piggybacking on what @cyberadius suggested above, we have the following Community KB articles that cover similar info (I'll leave them here for future reference): Technical Tip: How to prevent the SSL VPN web login portal from displaying when SSL VPN...

pjang · 11-04-2024

Hi @SajjadAli-1986, Just to let you know, this is the Article Ideas Submission queue, which is used to submit new KB article ideas. For technical assistance, please either post to the Fortinet Support Forum or open a ticket with Fortinet TAC Support....

pjang · 01-15-2024

Hi Faiza_Emam_Delhi, can you clarify where (FortiGate, FortiSwitch directly, FortiManager, etc.) and on what firmware you were able to perform these steps? I checked on FortiOS 6.4, 7.0, 7.2, and 7.4, and none of them have the capability that you are...

pjang · 08-11-2022

I recommend checking out these Community KB articles for SSL-VPN and IPsec:https://community.fortinet.com/t5/FortiGate/Technical-Tip-Enabling-split-tunnel-feature-for-SSL-VPN/ta-p/198108https://community.fortinet.com/t5/FortiGate/Technical-Tip-Enable...

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Technical Tip: Explaining AES-GCM, 'None' Integrity, and PRF selection for IKEv2 IPsec tunnels on the FortiGate

Technical Tip: NGFW Security Policies may not being matched when Service is set to App Default (Known Behavior)

Technical Guide: How to perform an RMA replacement of a FortiGate

Technical Tip: FortiGate ZTNA presents authentication error message after configuring session-based form authentication.

Technical Tip: port4 on Azure HA FortiGate-VMs is critical for correct Azure SDN Connector functionality

Re: FAP 231F/431F: Bridging VLAN/SSID to second LAN port

Re: Disable SSLVPN webportal page

Re: Fortigate 200F Firmware recovery - Status changed to: Declined

Re: How to export a fortiswitch configuration in table format (expecially port assignments)?

Re: Split Tunnel

Technical Tip: ERR_SSL_PROTOCOL_ERROR when using F...

Technical Tip: Assigning Priority to SD WAN Member...

Technical Tip: Configuring SSL-VPN to allow tunnel...

Technical Tip: FortiGate Cloud Remote Access funct...

Technical Tip: Understanding the link-down-failove...

Re: SSLVPN no outbound access

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