Hi

RE: Old forum
RE Thread: https://forums.faforever.com/viewtopic.php?f=12&t=19698

You could probably do it a couple of different ways:

1. Rip the site as html , css and upload it as static files - let it rot on a webserver or cdn

2. Disable write access to the db - this will prevent lots of functionality from working but would act as a sort of archive.