Troubleshooting Tip: How to restore the FortiGate ...

kmohan · 12-04-2024

Description This article describes that in IPsec Site-to-Site VPN or DailUp VPN, there is one-way traffic and no return traffic from FortiGate to other FortiGate firewalls. Scope FortiGate. Solution Topology: Local Server --------FortiGate-1-------IP...

kmohan · 11-12-2024

Description The article describes how to resolve the Permission Denied issue from the Forticlient ( SSL VPN ) with 2FA. Scope FortiGate. Solution Config the local user or LDAP user added on the SSL VPN portal and enable 2FA for mobile free trial toke...

kmohan · 10-23-2024

Description This article describes how to create FortiOs events logs to view full events stitch from Automation Stitch. Scope FortiGate. Solution FortiGate 7.0 and above: There are various kinds of FortiOs events logs for automation stitch, for examp...

kmohan · 09-26-2024

Description This article describes how to verify the logs with the Username on DNS Filter Profiles for the Captive Portal Authentication. Scope FortiGate. Solution Create a Captive Portal on the Lan interface: Troubleshooting Tip: How to troubleshoot...

kmohan · 09-25-2024

Description This article describes how to allow WhatsApp Voice calls through a Fortinet firewall. It is necessary to create a custom service definition that encompasses the necessary protocols and port ranges. Scope FortiGate. Solution Allow the LAN ...

kmohan · 11-08-2024

Hi UmeshKindly see the below KB article: https://docs.fortinet.com/document/fortigate/5.4.0/cookbook/962850/site-to-site-ipsec-vpn-with-two-fortigates https://community.spiceworks.com/t/fortigate-ipsec-vpn-tunnel-for-multiple-networks/367335

kmohan · 11-08-2024

Hi RezafathiFollow the kb articles:https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-configure-an-IPsec-tunnel-with-Overlapping/ta-p/242267Inbound traffic and outband traffic with VIP configuration they have enable NAT on the Kb articl...

kmohan · 11-08-2024

Hi Alik,Kindly check the fortiguard server is not reachable or not, and Webfilter Follow the below kb articles: https://community.fortinet.com/t5/FortiGate/Technical-Tip-ERR-CONNCTION-CLOSED-when-accessing-a-website-even/ta-p/336543

kmohan · 11-08-2024

Hi RezafathiBoth are sameIts a documentation from the Firmware Release Notes:https://docs.fortinet.com/document/fortigate/7.6.0/administration-guide/426761/site-to-site-vpn-with-overlapping-subnetsIt's a KB articles was created by one of Technical En...

kmohan · 10-18-2024

Hi Matthew3 1. Check the input values for the secondary VPN tunnel configuration to ensure they are within the specified length limits and properly formatted. 2. Verify that there are no special characters or spaces in the configuration that could be...

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Technical Tip: IPsec VPN site to site traffic is denied by Forward Check policy or Policy ID 0

Technical Tip: SSL VPN Connection with the Permission Denied -455 on the 2FA ( Mobile Free TrialToken)

Technical Tip: How to view full FortiOS event logs in automation stitch

Technical Tip: DNS Filter Traffic include Username logs on the Captive Portal Authentication

Troubleshooting Tip: Allow port ranges and protocol to access WhatsApp VOIP Feature

Re: Requirement of hub and spoke ipsec vpn in fortigate

Re: Site to site vpn between 2 FGTs

Re: ERR_CONNECTION_CLOSED Error

Re: Site to site vpn between 2 FGTs

Re: "invalid length of value -1" error when creating VPN tunnel

Troubleshooting Tip: How to restore the FortiGate ...

Re: FortiGate WebUI Tools > IPsec VPN debug

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Re: Requirement of hub and spoke ipsec vpn in fort...

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