Pfsense 2.5.1 Download Iso !exclusive!

Once inside the file archive, follow this path: /releases/ -> 2.5.1/ -> ISO/

Because Netgate (the maintainers) removes old versions from their primary mirrors, you generally have two reliable options: Netgate Community/Partners: Pfsense 2.5.1 Download Iso

: A reliable repository for older images. You can find the pfSense CE 2.5.1 RELEASE amd64 ISO here. Once inside the file archive, follow this path:

Always verify the cryptographic hash before writing the ISO to media. Once inside the file archive

Yes. Via the webGUI ( System > Update ), you can switch the update branch. However, version jumps (2.5.1 -> 2.7.0) are not supported. You must go 2.5.1 -> 2.6.0 -> 2.7.0.

Would you like a guide on restoring your configuration after a fresh 2.5.1 install?