Connecting strongSwan to FortiGate with PSK + XAuth + TOTP (2FA)

A deep-dive from the Safebyte Consulting lab Article by: Teodor Lupan At Safebyte Consulting we often integrate Linux systems into enterprise VPN infrastructures as part of our security assignments like security audits or pentests. During a recent project connecting Kali Linux (strongSwan) to FortiGate gateways that enforce PSK + XAuth + TOTP (2FA), we implemented

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