Fortigate Tutorial – Spam Filtering

Fortigate Tutorial – Spam Filtering


Fortiguard uses the industry standard definition of spam as Unsolicite Bulk Email.

Here are the Spam Filtering Methods implemented by Fortinet to its appliances:

1. IP Address Check

2. URL Check

3. Email Checksum Check

4. Spam Submission

5. Block/White List

6. HELO DNS Lookup

7. Return E-mail DNS check

8. Banned Words

9. MIME check

10. DNS Blackhole List (DNSBL) and Open Relay Database List (ORDBL)


II. Fortiguar AntiSpam

Global Filters

1. FortiIP Sender IP Reputation Database (based on the reputation of the IP)


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How to fix the MBR in 7 easy steps

How many of you broke your MBR while trying to add another Operating System. You are in luck, to fix it you do not need more than 5 minutes.
Here are the steps to do it:
1. Select from BIOS the Cd-ROM/DVD-ROM as your first boot device.
2. Save options and exit
3. Put the bootable Windows 7/XP/Vista in your CD-ROM and press any key when you see the prompt “Press any key to boot from CDROM”
4. You will get prompted with a blue screen. Press “R” for repair
5. Select the Windows you have installed(7, XP, Vista) and then enter your Administrator password.
6. You will see a DOS/CMD prompt. Just type in “FIXMBR”.
7. After the MBR is fixed typed in “EXIT” for the system to restart.

That is all! The MBR should be fixed now.

Good luck!

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Fortigate Tips and Tricks

Fortigate Tips and Tricks

This article presents some useful commands/tricks that you can do to your Fortigate.


Debug Addresses:
Many times it happens that we have a lot of firewall policies for one address defined in our address Pool.
Let’s take an example:
We have “WWW_Server” defined with the IP of To see what policies are using this Address we can use the following:

#diag sys checkused firewall.address:name ‘WWW_Server’


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