Cant install add-ons

[Pauchog]

Cant install add-ons. 

I go to "find new add ons",  And there nothing in the list of add-ons, i try different filters, but nothing appears.

[Mitchell Davison [EY] · Accepted solution]

It could be that there is a problem connecting from your Confluence server to the Atlassian Marketplace:

https://confluence.atlassian.com/upm/problems-connecting-to-the-atlassian-marketplace-273875718.html 

[Pauchog]

Im forgot to allow outgoing connection for Confluence (443 port). After I allowed the connection, it works.

Thank you.