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SeppMail and MS365 Exchange Online: So wird das ARC sealing konfiguriert

Im Boll Support treffen in den letzten Wochen vermehrt SeppMail Anfragen ein. Seit Microsoft in MS365 Exchange Online einige Anpassungen im Spamfilter (Defender Funktion) gemacht hat, werden die Mails...

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How to configure the FortiGate for a 3CX UC system with SIP trunk

3CX is a very widespread UC solution (phone system or also known as PBX). FortiGate is a very widespread firewall solution. Both of the products are very good in doing their thing. But to work...

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MS365 Exchange Online and SeppMail Mailflow interrupted (UntrustedRoot)

We have received several support requests regarding interrupted mailflow between Exchange Online and SeppMail appliances. The mailflow is interrupted since 07.03.2024 at 23:00 CET time. In the MS365...

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Remediation Steps if your FortiGate got Hacked or Attacked

… or accessed from any unauthorized party. In some cases it’s not even necessary to hack a system to gain access to it. For example it may be enough to leak a configuration file to allow unauthorized...

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FortiSwitch not Applying Configuration from FortiGate

Do you have FortiSwitches that do not accept configuration changes made on the FortiGate switch controller? Also, when you run the CLI command ‘execute switch-controller get-conn-status’, do you see...

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FortiGate with FortiOS 7.4: First Configuration Steps

Last update: 08. August 2024 In our daily support work we often see FortiGates in use on which the basic settings like time zone, host name and so on have never been set correctly. Therefore we would...

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Is Your FortiGate Under Attack?

In this article, we want to point out some indicators used to determine if your FortiGate is under attack. Table of Contents Indicator 1: Session counter Session Counter “Active Sessions” The session...

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CVE-2024-3596: FortiGate and Palo Alto Networks Firewall not Working with...

The problem is not limited to Fortinet or Palo Alto Networks software. Since the cause for the problem is a design flaw in the RADIUS protocol, this flaw affects most products using RADIUS for...

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FortiGate devices without an active FortiGate Cloud subscription will be...

In the last few days, Fortinet has sent an email message to a wide audience of FortiGate Cloud customers. The subject of the message is “Important: Upcoming FortiGate Cloud FortiGate Firmware Upgrade...

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SEPPmail: To ensure a database snapshot is done every day, an LFT partition...

Since the update to version 14.x, the SEPPmail admin WebGUI displays the message: “To ensure a database snapshot is done every day, an LFT partition is mandatory.” Update from 20.02.2025: SEPPmail has...

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