Overview How to connect How to extract edge firewall rules config How to update edge firewall rules config Overview This post is to share the process to change the existing available protocols in NSX-v Edge firewall rule (Not DFW). Available protocols are TCP, UDP, ICMP and Any on vCD's Edge Service Gateway page. See below image. My customer's demand was to set another protocol here which is ESP . I checked on GUI and it was clear that it is not possible from here so I could change it successfully from API queries. How to connect Before updating this firewall rule field, we must know that how to connect vCloud Director in any API tool. You can use Postman, Insomnia, ARC (Advance Rest Client) as a tool to connect vCD. You might need to disable SSL check before executing any api call. Below snippet is from Postman API tool. Once that SSL check is disabled then 1. Set Authorization as Basic Auth. See below image 2. Set header as mentioned below Accept application/*;version=32.