Is port 80 for cloud access necessary?

Michal Gajdošík

July 30, 2026 06:36

Hi,

Question from my network team:
Can we disable port 80 for NX server → NX Cloud connection? 
Is 443/HTTPS enough, or does HTTP need to be open too?

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  Mohammed

  July 30, 2026 14:41

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  Hello,

  Your server itself won't need port 80 or 443 to be open on it, however you must allow outbound 80 (TCP), 443 (TCP), and 3345 (UDP) traffic.

  This article, Option 2, explains it as well : What Network Configurations are required in Nx to be connected remotely? – Network Optix

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  Michal Gajdošík

  July 31, 2026 09:50

  Hello,

  Yes I have seen that article, but there is no explanation why HTTP is needed, when there already is HTTPS

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