The FortiGate 30D is a legacy workhorse in the Fortinet ecosystem. While it has reached its End-of-Life (EOL) and End-of-Support (EOS), many home labs, small businesses, and budget-conscious organizations still rely on this compact, rugged desktop firewall. However, common issues such as forgotten admin passwords, misconfigured VLANs, boot loops, or the need to repurpose the device for a new network demand one powerful solution: