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Route API request Through Firewall

I am attempting to link our ERP to an external application. The ERP is an application hosted on an internal server behind a Sonicwall firewall.

  • The internal IP for the ERP is
  • The public IP created through SonicWall is yyy.yyy.yyy.yyy:2222
  • The IP of the external application is zzz.zzz.zzz.zzz

The following API request made through postman works when sent from the internal LAN

The same API request from an external network routed to the public IP created in sonicwall returns:

Parse Error: The server returned a malformed response if HTTP or a timeout if HTTPS

Category: Entry Level Firewalls


  • Options
    MitatOngeMitatOnge All-Knowing Sage ✭✭✭✭

    Hi @JKSP

    did you create triple nat rules for this ERP system?

    you should create Lan to Wan, Wan to Lan and Loopback nat rules

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