what port should i open on my server firewall to fetch ezeelogin license? 116 admin May 5, 2021 Common Errors & Troubleshooting, Tweaks & Configuration 5679 What is the port number used to fetch ezeelogin license? In the firewall on your Ezeelogin installed gateway servers, enable outbound port 443 traffic to license.ezeelogin.com and license2.ezeelogin.com to fetch the license.