Reply to request not working from the internet

Reply to request not working from the internet

Hello,

I have SDP-MSP installed on AWS windows instance; it is protected behind FW and WAF and accessible from the internet.
Internal URL: https://ec20908:8080 (SSL cert is the self generated one)

I can login and view requests from the internet, however, when I try to reply to any request from my browser, the reply form just hangs and goes forever; additionally, the admin interface is not accessible from the internet, only through localhost.

Where to look for the root cause and how do you suggest to solve this issue?

Thanks in advance,

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