nginx return 404 result when using proxy_pass feature

Question

my conf @/etc/nginx/conf.d/:

server{
    listen 443 ssl http2;
    server_name api.opera.test.com; 
    client_max_body_size 1G;

    ssl on;
    ssl_certificate  /etc/nginx/cert/_.test.com.crt;
    ssl_certificate_key  /etc/nginx/cert/_.test.com.key;
    ssl_session_timeout 5m;

    location / {
        if ($request_method ~* "(GET|POST)") {
          add_header "Access-Control-Allow-Origin"  *;
        }
        if ($request_method = OPTIONS ) {
          add_header "Access-Control-Allow-Origin"  *;
          add_header "Access-Control-Allow-Methods" "GET, POST, OPTIONS, HEAD";
          add_header "Access-Control-Allow-Headers" "Authorization, Origin, X-Requested-With, Content-Type, Accept";
          return 200;
        }
        proxy_pass http://127.0.0.1:6666/;
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Fowarded-For $proxy_add_x_forwarded_for;
        proxy_cache_valid 200 3d;
        proxy_ssl_server_name on;
        proxy_ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
      root   /usr/share/nginx/html;
    }  
}

but when i curl the host i proxied, it returned:

[root@develop conf.d]# systemctl restart nginx
[root@develop conf.d]# curl -k http://api.opera.test.com:6666
hello world!
[root@develop conf.d]# curl -k https://api.opera.test.com

<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.14.0</center>
</body>
</html>

and i tried use proxy_pass http://127.0.0.1:6666; instead of proxy_pass http://127.0.0.1:6666/;, unfortunately, doesn't work for me.

Point to note - ‘ssl on;’ ssl directive is obsolete and should not be used anymore. See nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl. What do nginx logs show for the 404 error ? — ben5556
– ben5556, Commented Dec 9, 2018 at 10:59
@ben5556 thx guy! I found the error in nginx logs: 2018/12/10 20:13:04 [crit] 31321#31321: *1 connect() to 127.0.0.1:6666 failed (13: Permission denied) while connecting to upstream, client: 192.168.19.15, server: api.opera.test.com, request: "GET /favicon.ico HTTP/2.0", upstream: "http://127.0.0.1:6666/favicon.ico", host: "api.opera.test.com", referrer: "https://api.opera.test.com/" . — Zander Wong
– Zander Wong, Commented Dec 10, 2018 at 14:23
@ben5556 and this command help me resolved the problem: setsebool -P httpd_can_network_connect 1 thx again！ — Zander Wong
– Zander Wong, Commented Dec 10, 2018 at 14:24

Zander Wong · Accepted Answer · 2018-12-11 13:58:40Z

0

this command help me resolved the problem: setsebool -P httpd_can_network_connect 1

answered Dec 11, 2018 at 13:58

Zander Wong

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