To Be A CyberMan: Set Up SFTP Server On Azure VM behind FortiGate Firewall

1. Business request

    Set up a file transfer server with public internet access. 


2. security concern

    The common ways are FTP, FTPS, or SFTP:

    The FTPS requires applying the certificates to the FTP service, So I deceived to go for SFTP. 

    SolarWinds SFTP & SCP Server is a Free SFTP server App.


3. Deployment

    3.1 Set up SFTP on VM

        Download the software to Server and install it

            https://www.solarwinds.com/free-tools/free-sftp-server

        Redirect the Root Directory

        Create user to login 
        verify the SFTP service is running on localhost

   3.2 Config Host firewall and Azure NSG to allow SFTP service

        Add Port 22 TCP into host firewall


        Add Port 22 TCP into Azure NSG
        Verify the SFTP service is reachable for internal user

    3.3 Config Fortigate firewall to allow external access 

         Firewall Port Fording

        Firewall policy rule with Whitelist control


        Test SFTP connection from approved external IP


Thanks for reading.



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