2020/01/22 14:01:44 [error] 383#383: *3493 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: wanaddress, server: domain.com, request: "GET /?error=502 HTTP/1.1", upstream: "http://10.20.0.50:82/?error=502", host: "domain.com", referrer: "https://domain.com/plex/web/index.html"
2020/01/22 14:01:44 [error] 383#383: *2926 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: wanaddress, server: domain.com, request: "GET /?error=502 HTTP/1.1", upstream: "http://10.20.0.50:82/?error=502", host: "domain.com", referrer: "https://domain.com/plex/web/index.html"
2020/01/22 14:02:06 [error] 383#383: *4033 connect() failed (111: Connection refused) while connecting to upstream, client: wanaddress, server: nextcloud.domain.com, request: "GET / HTTP/1.1", upstream: "https://10.20.0.50:444/", host: "nextcloud.domain.com", referrer: "https://domain.com/"
2020/01/22 14:02:14 [error] 383#383: *3292 upstream sent no valid HTTP/1.0 header while reading response header from upstream, client: wanaddress, server: domain.com, request: "GET /sonarr/signalr/start?transport=longPolling&clientProtocol=2.1&apiKey=998ae135efb4418cb4ab221620b3ea67&connectionToken=LBQ%2F7MMMDYuMcI7gY0FF%2FVqamVAFUqLGG3UIiHhdzEGP3ltJI821kwSgGgjKvDFzou0uZAxNmTDEmcalkb2uAffPrxwsYnHyHVPU8s43ohUbTfj1q4LQDIPbzsFmBcAogJQR%2FO857jngBiLFvG8wn52HjLCeamfvBEoAucTqJImwK4x8uqDkqJ73x9xBzYRxD4fLyO7%2BkBvFc84cwgSudOV7D32KpRV2FDTfgS%2FYkADEV7dn1cpfsCgLB3eoy43nu8M6G9oKbZRcS85QC1CHHdV4Vb%2FbK7SDiFqenIoPvuhkdyg%2FXiCd524CYsS%2BlYx2&_=1579723541552 HTTP/1.1", upstream: "http://10.20.0.50:8989/sonarr/signalr/start?transport=longPolling&clientProtocol=2.1&apiKey=998ae135efb4418cb4ab221620b3ea67&connectionToken=LBQ%2F7MMMDYuMcI7gY0FF%2FVqamVAFUqLGG3UIiHhdzEGP3ltJI821kwSgGgjKvDFzou0uZAxNmTDEmcalkb2uAffPrxwsYnHyHVPU8s43ohUbTfj1q4LQDIPbzsFmBcAogJQR%2FO857jngBiLFvG8wn52HjLCeamfvBEoAucTqJImwK4x8uqDkqJ73x9xBzYRxD4fLyO7%2BkBvFc84cwgSudOV7D32KpRV2FDTfgS%2FYkADEV7dn1cpfsCgLB3eoy43nu8M6G9oKbZRcS85QC1CHHdV4Vb%2FbK7SDiFqenIoPvuhkdyg%2FXiCd524CYsS%2BlYx2&_=1579723541552", host: "domain.com", referrer: "https://domain.com/sonarr"
2020/01/22 14:03:50 [error] 383#383: *4287 upstream timed out (110: Operation timed out) while reading response header from upstream, client: wanaddress, server: domain.com, request: "POST /sonarr/signalr/poll?transport=longPolling&clientProtocol=2.1&apiKey=998ae135efb4418cb4ab221620b3ea67&connectionToken=ckEvIDKxayOMyLNS9vz%2FRm5iXkZOt11SOvfwjBD0l4uB2P25dtDHj6%2Bp6q41fMgWarPdk7lUa0HN6ezjKDIsiVFbOd%2FM16GREaNQsHlJCJdv7Qg%2FLrzvtNnuHBlTlTZQxqDuOFKEia4To3iMv7UhJpkKIWGNoB%2BmKyjRx8JGMQMQR5KhDbh4NEeOHnQ3zQgjMj9kzfsYbfrBn8JGbMHdeHFMxV%2BYWFCqicFGSiAyPGzcIXTbXcrO4DLwkwhINmqoRzTtm46z%2B0C%2BlL1ZSUdXDYYqY11Raxq2TcXEIhrTpDQNZU2vkMPa5cEmYkGDZ2KY HTTP/1.1", upstream: "http://10.20.0.50:8989/sonarr/signalr/poll?transport=longPolling&clientProtocol=2.1&apiKey=998ae135efb4418cb4ab221620b3ea67&connectionToken=ckEvIDKxayOMyLNS9vz%2FRm5iXkZOt11SOvfwjBD0l4uB2P25dtDHj6%2Bp6q41fMgWarPdk7lUa0HN6ezjKDIsiVFbOd%2FM16GREaNQsHlJCJdv7Qg%2FLrzvtNnuHBlTlTZQxqDuOFKEia4To3iMv7UhJpkKIWGNoB%2BmKyjRx8JGMQMQR5KhDbh4NEeOHnQ3zQgjMj9kzfsYbfrBn8JGbMHdeHFMxV%2BYWFCqicFGSiAyPGzcIXTbXcrO4DLwkwhINmqoRzTtm46z%2B0C%2BlL1ZSUdXDYYqY11Raxq2TcXEIhrTpDQNZU2vkMPa5cEmYkGDZ2KY", host: "domain.com", referrer: "https://domain.com/sonarr"
2020/01/22 14:29:10 [error] 384#384: *4569 connect() failed (111: Connection refused) while connecting to upstream, client: wanaddress, server: nextcloud.domain.com, request: "GET / HTTP/1.1", upstream: "https://10.20.0.50:444/", host: "nextcloud.domain.com", referrer: "https://domain.com/"