Fortinet Community

seshuganesh · 12-06-2022

Description This article describes how to react when unable to block IP addresses accessing the firewall after creating the firewall policy. Solution The policy created should be applied only to the pass-through traffic. It will not be applied to the...

seshuganesh · 12-06-2022

Description This article describes how to troubleshoot missing implicit deny logs. Scope FortiGate. Solution If implicit deny logs are missing in FortiGate and if it is necessary to view them, go under Log and report section: 1) 'Right-click' on 'Imp...

seshuganesh · 11-30-2022

Description This article shows how to add CPU to the VM FortiGate firewall. Scope FortiGate VM. Solution Before adding CPU, first, it is necessary to check how many cores your license has. For that, execute this command in the firewall CLI: # diagnos...

seshuganesh · 06-29-2022

Description This article describes how to troubleshoot DDNS issue when private IP is confirued in FortiGate WAN interface. Scope FortiGate. Solution Two issues: 1) The DDNS domain is updated to the private IP instead of the public IP address. 2) It i...

seshuganesh · 06-29-2022

Description This article describeshow policy routes work with FortiGate Firewall with Scenario Scope All FortiOS. Solution The topology is as follows: Two LAN networks and two ISP connections. The requirement is to route LAN1 connections to the Inter...

seshuganesh · 02-07-2023

Reverse path check means, firewall is expecting that source IP to come from one interface but the packet is coming from different interface. For example, execute this command: get router info routing-table details You will get to know from which int...

seshuganesh · 02-06-2023

Hi Team, Kindly explain the issue in detail as we could not able to understand from the case description.i have found 2 files as above i wondering what is that file, ---may i know where you found this file?

seshuganesh · 02-02-2023

ideally even if ISP is down like if internet is not working, there is no way firewall can detect that connectibity issue unless you configure link monitor. So if you dont configure link monitor your configuration and "enable update static route" opti...

seshuganesh · 02-02-2023

Ideally it should not happen every week. Can we raise ticket with TAC team, this requires further troubleshooting

seshuganesh · 02-02-2023

Thanks for posting your observation. It is helpful

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Technical tip: Unable to block IP addresses accessing the firewall after creating the firewall policy

Troubleshooting Tip: Unable to see implicit deny logs

Technical Tip: How To Add CPU core in FortiGate firewall VM

Troubleshooting Tip: DDNS Private IP Issue

Technical tip: Explanation Of policy routes with scenario

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