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port 80 already in use

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  • port 80 already in use

    I've seen quite a long history of questions pertaining to the message "port 80 already in use" when running the application server from a virtual dedicated server. It appears the IIS used by a very popular hosting company uses 80, and somehow this is tied to Apache. I apologize if I'm botching this description up, as I am an amateur web developer....but evolving as we speak.

    The common resolution I've seen across the message board is to change the port for Alpha to another (i.e., use port 81). However, then the users of my web application would have to log in to my URL as "" Please, please, please someone tell me there is another option. I want users to type in a regularly formatted URL (without the "81"). I saw the video by Alpha on how to setup the virtual server using this specific web hosting company, and the video said to disable any website using 80, but there was not mention about the IIS using 80.

    I was told by the popular hosting company that they were surprised that a web application chose to use port 80. One of their recommendations was to disable Apache if I wasn't going to use the server to browse http.

    Any advice would be greatly appreciated!! By the way, I LOVE Alpha and would recommend it to anyone, but I do not love this port 80 issue.

  • #2
    Re: port 80 already in use

    If you go to IIS you can stop the services using port 80 (companyweb and Default web site), or you can change those services to run on say port 8080 and then port 80 is available to run the Application Server. Right click the item (companyweb and then Default web site), go to Properties and change accordingly.



    • #3
      Re: port 80 already in use

      across the message board is to change the port for Alpha to another (i.e., use port 81). However, then the users of my web application would have to log in to my URL as "" Please, please, please someone tell me there is another option. I want users to type in a regularly formatted URL
      I believe there are two options
      1. What Gary suggested,
      2. What I do, at my router I make use of Port Forwarding
      Thus when a user tries [[ note silent :80]]
      My router forwards it to
      And the user is none the wiser
      This allows me also to run IIS port 80 for a completely separate domain and entity.
      But as per norm if you are not hosting yourself this would be difficult.


      • #4
        Re: port 80 already in use

        2. What I do, at my router I make use of Port Forwarding
        Hi Colin
        I wondered if you could explain the steps in IIS to carry out port forwarding

        I have access to my remote IIS
        Many thanks


        • #5
          Re: port 80 already in use

          most router there is a spot for port forwarding you would redirect port 80 to say your server on per say the internal port you can set to whatever you want. just set your port to the same number on the WAS and make sure that the firewall on the server has that port opened up for A5 usage.

          Most routers will have a help file on this.

          Chad Brown


          • #6
            Re: port 80 already in use

            Thanks Chad
            I will look at this, but I'm not very clear on what to do.


            • #7
              Re: port 80 already in use

              Hi John,
              I do the port forwarding at the physical router/modem via the web access,
              Yes You can do some wonderful things on the IIS as well, but all the menus and terminologies and options, end up just confusing me, like it would any sane person. And thus I do the port switch on the router
              Last edited by ColinJD; 10-11-2009, 06:33 AM. Reason: spelling


              • #8
                Re: port 80 already in use

                Thanks Colin
                I am unable to get to the router because of my set up with the remote server I use at Fasthost.
                So I am putting in a server here and then it will be more controlable and I will be able to get some more understanding of how things work. Fasthosts use a matrix which make setting up very easy but its not very adaptable.
                My next move is to get a static IP address and hopefully then get going.
                It will be interesting to see what the speed looks like when I get it running.


                • #9
                  Re: port 80 already in use

                  I've seen quite a long history of questions pertaining to the message "port 80 already in use" when running the application server from a virtual dedicated server.
                  To add to this history of port 80 issues - for people seaching for a solution that must run the Alpha Five Web Applicaiton Server on port 80

                  If this is you:
                  "IIS is no longer running, port forwarding all setup and ready to go, but i still get port 80 in use errors.."

                  go to start -> run -> cmd

                  type in "netstat -ao" press enter

                  you may see that a process with the PID "4" is running on (unless something else is, then there is your issue...)
                  Opening up task manager will show that PID "4" is system... so we can't end that.
                  However its not the direct cause.
                  I found in a thread elsewhere that a service MsDepSvc could be causing this. Its PID something other than 4 (maybe something like 2192 or something like that)
                  But stopping this service stops PID "4" listening on port 80.

                  Vefore stopping MsDepSvc on your server or changing its listening port, make sure you or your systems administrator doesn't need it!

                  this is what it pertains to: