Here are a few details that might help clarify the situation:
Ports less than 1024 are (in most OSes) privileged ports that require root to run anything on them. This is intended as a security feature to make it more difficult for an attacker to host services on important ports on a compromised server. As a result, root is required to run anything on port ...
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Owasp dependency check is one of the ways to go. It downloads all the latest vulnerability listings for the dependencies and than checks your app dependencies against them.