Our servers running Confluence & JIRA applications are hidden inside a big corporation network and most of network protocols are unfortunately blocked/forbidden.
Such problem effects with an connection error which occurs while updating any plugin nor installing new one, as following:
java.net.ConnectException: Connection refused: connect
As I presume, the network protocol/ports which is used by JIRA/Confluence platforms are blocked out by our Proxy.
What kind of ports, services or anything else should be unlocked and passed through proxy/gateway?
(Hint: When we unblock and pass direct traffic from Internet and reverse over proxy - with no limits - an error presented above does not occur)
I appreciate for your help,
Przemek M. Zawada
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