I discovered that due to an outdated atlassian software instance, I was able to exploit an SSRF vulnerability in confluence and was able to perform several actions such as bypass any firewall/protection solutions, was able to perform XSPA through assessing the response times for ports, access Internal DoD Servers and internal services.
I discuss the vulnerabilities exploited in my write which you can find here, https://medium.com/bugbountywriteup/piercing-the-veil-server-side-request-forgery-to-niprnet-access-c358fd5e249a