Python Script to import Distributed Firewall Rules recommended by vRNI to NSX-T on-prem or VMC on AWS SDDC

vRealize Network Insight Guide to importing recommended DFW rules to NSX-T or VMC SDDC using Python Script.

4/27/21 - NOTE** Updated to handle paginated results for services and security groups.   Updated to populate security groups with IP Memberships.



  • Python 3.7 or above
  • Requests, json, argparse, sys, requests, glob, os, xml.dom, xml.etree.Elementtree, getpass python libraries installed
  • Connectivity to the internet from where script will be executed
  • Connectivity to VMC SDDC over HTTPS (443)
  • Connectivity to NSX-T Manager or VIP over HTTPS (443)


Follow steps below:

Step: Download script by clicking Download button on this page


Step: Copy VMC Refresh token

Login to

Click My Account -> API Tokens tab -> Generate Token or Regenerate an existing token

Token must have NSX Cloud Admin service role under VMC on AWS service.

Copy token


Step: Collect SDDC ID and VMC Organizational ID

Login to

Select VMware Cloud on AWS under My Services -> Click desired SDDC -> Click Support

Copy Org ID  and SDDC ID



Step: Copy NSX-T Manager or VIP URL ( https://manager.fqdn/ )

Note: Must use full url including Https:// and trailing /  



Step: Export application rules

  • Log into vRNI
  • Search for Plan security of application NAME (changing NAME to the application name you would like to secure)
  • Select the three dots at the top right of the security donut diagram -> click Export to XML
  • Unzip the .zip file
  • Take not of the directory or folder location of the data center folder you will be importing rules for



  • Run script
    • Use --help for details on available arguments ( [--help] [--orgid ORGID] [--rulefolder RULEFOLDER] [--sddcid SDDCID] [--refreshtoken REFRESHTOKEN] [--verbose] [--appname APPNAME] [--enablerules] [--nsxtusesr] [--nsxturl] )



***NOTE***  To populate security groups with IP memberships (vRNI Version 6.2 and up only) select 'yes' when prompted.   Each time theh script is ran and this option is selected, the security groups in question will be overwritten with the IPs in the file you select.  




Trey Tyler <>

Kevin Forbes <>


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