Firmware image checksums
The MD5 checksums for all Fortinet software and firmware releases are available at the Customer Service & Support portal, https://support.fortinet.com. To verify the integrity of the download, select the Checksum link next to the HTTPS download link. A dialog box will be displayed with the image file name and checksum code. Compare this checksum with the checksum of the firmware image.
Having trouble configuring your Fortinet hardware or have some questions you need answered? Ask your questions in the comments below!!! Want someone else to deal with it for you? Get some consulting from Fortinet GURU!