Hello,
Here are the last errors:
2020/09/21 18:48:21 [error] 7277#7277: *20 connect() failed (111: Connection refused) while connecting to upstream, client: 84.104.178.145, server: mydomain.tld, request: “GET /favicon.ico HTTP/2.0”, upstream: “https://161.145.112.84:8443/favicon.ico”, host: “www.mydomain.tld”
2020/09/22 17:34:53 [crit] 21007#21007: *669 SSL_write() failed while reading client request headers, client: 93.174.93.12, server: mydomain.tld, request: “GET / HTTP/1.1”
2020/09/22 19:52:34 [error] 6828#6828: *30 connect() failed (111: Connection refused) while connecting to upstream, client: 216.244.66.238, server: mydomain.tld, request: “GET / HTTP/1.1”, upstream: “https://161.145.112.84:8443/”, host: “mydomain.tld”
2020/09/22 20:03:48 [error] 6828#6828: *37 connect() failed (111: Connection refused) while connecting to upstream, client: 128.14.134.170, server: mydomain.tld, request: “GET / HTTP/1.1”, upstream: “https://161.145.112.84:8443/”, host: “163.172.106.81”
2020/09/22 20:11:55 [error] 6828#6828: *44 connect() failed (111: Connection refused) while connecting to upstream, client: 83.145.164.114, server: mydomain.tld, request: “GET / HTTP/2.0”, upstream: “https://161.145.112.84:8443/”, host: “mydomain.tld”
2020/09/22 20:12:03 [error] 6828#6828: *44 connect() failed (111: Connection refused) while connecting to upstream, client: 83.145.164.114, server: mydomain.tld, request: “GET / HTTP/2.0”, upstream: “https://161.145.112.84:8443/”, host: “mydomain.tld”
2020/09/22 20:15:46 [error] 6828#6828: *48 connect() failed (111: Connection refused) while connecting to upstream, client: 83.145.164.114, server: mydomain.tld, request: “GET / HTTP/2.0”, upstream: “https://161.145.112.84:8443/”, host: “www.mydomain.tld”
I have rebuild the site, and it works now. I monitor if the errors has gone. Thanks for your help and have a nice evening.