I have three NextCloud servers, all connected via pfSense/HAProxy. One of them isn’t working properly—I get a “503 Service Unavailable” error when trying to access it externally. However, I can still reach it using the local IP from within the internal LAN. The other two NextCloud servers work fine through both the external address and the internal IP.
The haproxy.cfg has the same configuration for all three servers. What could be causing this issue?
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