I've embarked on my first FTD migration journey for a client and wanted to share my early [and tantalisingly promising] results. The customer is running NGFW Version 22.214.171.124 on FPR-2110 appliances. My exposure to FTD is on par with its popularity, so please bear with me.
First thing to note is FTD (and FMC) is basically code running on Linux VMs (mostly) and configuration stored in databases (also mostly). Don't forget your roots (Snort). Exports and backups appear to be Matryoshka dolls of tarred up gzipped tar files containing either transaction logs or binary files which are often large and not particularly useful. There are still remnants of ASA code running in places because a lot of features still rely on it. If this sounds strangely familiar, you haven't gone insane - they are following in the footsteps of the pink defenders.
Fortunately you don't have to deal with any of that, as the entire firewall configuration is also stored in a readable text file you can either extract from the diagnostic CLI (LINA) or export from an FTD backup (either locally or via FMC).
If you have SSH access to the FTD appliance:
If you have access to FMC:
Once you have the config, go import it into an Expedition project and run the usual checks:
The rest should be history - I'll update this thread once I've got the target hardware and working exports.
Limitations (so far...)
Thanks for providing a detailed instruction on migrating FTD config to PA.
A quick question, you had CLI config output and backup output, which of the two config outputs did you use to import the config in Expedition?
If only one of the above was required, then why was the second output generated?
I used the backup output from FTD as I did not have SSH access to the device at the time. Both should work, I will confirm if they are identical.
One other limitation I ran into was the VPN naming convention, which was based on the crypto map ID. The raw ASA-like / LINA config had multiple orphaned maps with no associated tunnel-group and appears to be sufficient for a L3-4 system to function only - what you see in FTD / FMC appears to be augmented with content from the database, or as I suspect the LINA config is generated from the database because the device is still running ASA code under the hood.
running-config.cfg is just a text file which I believe is generated by FTD and loaded by the ASA code hiding inside. It's in the same format as your traditional ASA (w FP) config stored in NVRAM or output of "show running-config". You need to extract it and import into your Expedition project as you would any other ASA config, or open in your favourite text editor to understand what's in it or make adjustments as required. I don't think the file extension makes any difference in this case, and it's not encrypted so officially no 'cracking' involved 😉
On that note, the IPsec PSKs are stored in this file in clear text...!
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