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    Solved Nginx reverse proxy problem with subdomains

    IT Discussion
    nginx reverse proxy subdomain
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    • JaredBuschJ
      JaredBusch
      last edited by

      NodeBB from proxy
      http://i.imgur.com/hiHJMbf.jpg

      ScreenConnect from proxy
      Screenconnect has long been a port forward on http://support.bundystl.com:8040
      I want that port gone, because users.....
      http://i.imgur.com/GYBMZUY.jpg

      1 Reply Last reply Reply Quote 0
      • JaredBuschJ
        JaredBusch
        last edited by

        Here is the screenconnect proxy info for reference

        #/etc/nginx/conf.d/support.bundystl.com.conf
        server {
        	client_max_body_size 40M;
        	listen 80;
        	server_name support.bundystl.com;
        
        	location / {
        		proxy_set_header X-Real-IP $remote_addr;
        		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        		proxy_set_header Host $http_host;
        		proxy_set_header X-NginX-Proxy true;
        		proxy_pass http://10.254.0.22:8040;
        		proxy_redirect off;
        
        	}
        }
        
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        • stacksofplatesS
          stacksofplates
          last edited by

          @JaredBusch said:

          10.254.0.106

          I did an nmap on community.daerma.com and this is all I got:

          PORT STATE SERVICE
          80/tcp open http
          443/tcp open https
          8080/tcp open http-proxy
          8081/tcp closed blackice-icecap
          8090/tcp open unknown
          8443/tcp open https-alt

          JaredBuschJ 1 Reply Last reply Reply Quote 0
          • stacksofplatesS
            stacksofplates
            last edited by

            I couldn't ping 10.254.0.106 either.

            JaredBuschJ 1 Reply Last reply Reply Quote 0
            • JaredBuschJ
              JaredBusch @stacksofplates
              last edited by

              @johnhooks said:

              @JaredBusch said:

              10.254.0.106

              I did an nmap on community.daerma.com and this is all I got:

              PORT STATE SERVICE
              80/tcp open http
              443/tcp open https

              These ports are routed to other services on other domain names the are behind the same public IP.

              8080/tcp open http-proxy
              8081/tcp closed blackice-icecap
              8090/tcp open unknown
              8443/tcp open https-alt

              Port 8040-8041 are also port forwarded to a server that answers not sure why nmap did not see them.

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              • JaredBuschJ
                JaredBusch @stacksofplates
                last edited by

                @johnhooks said:

                I couldn't ping 10.254.0.106 either.

                Of course not. it is the internal IP.

                stacksofplatesS 1 Reply Last reply Reply Quote 0
                • stacksofplatesS
                  stacksofplates @JaredBusch
                  last edited by

                  @JaredBusch said:

                  @johnhooks said:

                  I couldn't ping 10.254.0.106 either.

                  Of course not. it is the internal IP.

                  Oh I thought these were all public facing and you were just forwarding to them. Nevermind.

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                  • stacksofplatesS
                    stacksofplates
                    last edited by

                    What happens if you disable SELinux and firewalld?

                    JaredBuschJ 2 Replies Last reply Reply Quote 1
                    • JaredBuschJ
                      JaredBusch @stacksofplates
                      last edited by

                      @johnhooks said:

                      What happens if you disable SELinux and firewalld?

                      The nginx proxy can reach the internal IP and port as noted above.

                      The external ports 80/443 and port forwarded to the nginx proxy.

                      6 domains are currently currently on the same server are daerma.com and all work perfectly. All of the working proxied domains are only domain.com and www.domain.com redirecting to 80/443 on a single internal IP

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                      • JaredBuschJ
                        JaredBusch
                        last edited by

                        7 sites now. I forgot about jaredbusch.com and just added another conf file.

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                        • JaredBuschJ
                          JaredBusch
                          last edited by JaredBusch

                          This post insinuates that I should not need to do anything else to reroute.

                          http://mangolassi.it/topic/5470/reverse-proxy/15

                          As well as my google searching

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                          • stacksofplatesS
                            stacksofplates
                            last edited by

                            Ya that's weird. The only time I've ever got a 502 is when either PHP-FPM isn't running or node isn't running.

                            What do your nginx logs say?

                            1 Reply Last reply Reply Quote 0
                            • JaredBuschJ
                              JaredBusch @stacksofplates
                              last edited by

                              @johnhooks said:

                              What happens if you disable SELinux and firewalld?

                              selinux.....

                              did not think about that.. I was not doing anything special.

                              setenforce 0 and they work.

                              support.bundystl.com
                              community.daerma.com

                              stacksofplatesS 1 Reply Last reply Reply Quote 2
                              • stacksofplatesS
                                stacksofplates @JaredBusch
                                last edited by

                                @JaredBusch said:

                                @johnhooks said:

                                What happens if you disable SELinux and firewalld?

                                selinux.....

                                did not think about that.. I was not doing anything special.

                                setenforce 0 and they work.

                                support.bundystl.com
                                community.daerma.com

                                Ya I don't understand how it's determined which ports are allowed through SELinux and which aren't.

                                1 Reply Last reply Reply Quote 0
                                • JaredBuschJ
                                  JaredBusch
                                  last edited by

                                  @johnhooks said:

                                  @JaredBusch said:

                                  @johnhooks said:

                                  What happens if you disable SELinux and firewalld?

                                  selinux.....

                                  did not think about that.. I was not doing anything special.

                                  setenforce 0 and they work.

                                  support.bundystl.com
                                  community.daerma.com

                                  Ya I don't understand how it's determined which ports are allowed through SELinux and which aren't.

                                  right. so now to learn that because i like not setting permissive

                                  1 Reply Last reply Reply Quote 0
                                  • stacksofplatesS
                                    stacksofplates
                                    last edited by stacksofplates

                                    You should be able to do

                                     semanage port -a -t http_port_t -p tcp 4567
                                    

                                    Then if you do

                                    semanage port -l | egrep '(^http_port_t)' 
                                    

                                    it should output the list of ports with that context

                                    http_port_t                    tcp      80, 81, 443, 488, 8008, 8009, 8443, 9000
                                    
                                    1 Reply Last reply Reply Quote 1
                                    • stacksofplatesS
                                      stacksofplates
                                      last edited by

                                      If it says 4567 is already assigned a label you can change it to:

                                      semanage port -m -t http_port_t -p tcp 4567 
                                      

                                      Then if you do the port list it should show up in there.

                                      1 Reply Last reply Reply Quote 1
                                      • JaredBuschJ
                                        JaredBusch
                                        last edited by

                                        @johnhooks said:

                                        semanage port -m -t http_port_t -p tcp 4567

                                        I had to add semanage first but then it worked.

                                        1 Reply Last reply Reply Quote 2
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