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How web-hosting providers manage to make uploading files secure?


Sharepoint for Teams, Permissions, Kick to proper tab?Securing VPN access from users machines (home office)Stopping PHP ability to read/write other PHP filesHow do I deal with a compromised server?Our security auditor is an idiot. How do I give him the information he wants?Requiring mulitple group membership in order to access folderSetting up limited AD account for external support personExecutables locationDrupal multi-site, virtual hosts and CloudFlareLinux: productive sysadmins without root (securing intellectual property)?






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1















I made a small website where people can upload their files into my server.



Every member have their own folder and they can't open or show other people directories.



Their links looks like this:



example.com/sub/james/



example.com/sub/mark/



example.com/sub/jason/



Members have an option to uploud php, java, html or any kind of file they want.



I made it like that because I want to give the ability for them to host a tiny website on my server, so for example if someone reach this link:



example.com/sub/mark/index.php
It will open their home page. and anyone on internet can access that page, also no one can go back behind the main "sub" folder



I'm concerned about the security, "giving access to my server and let members upload any kind of file" what could go wrong? and how I can make it more secure?










share|improve this question




























    1















    I made a small website where people can upload their files into my server.



    Every member have their own folder and they can't open or show other people directories.



    Their links looks like this:



    example.com/sub/james/



    example.com/sub/mark/



    example.com/sub/jason/



    Members have an option to uploud php, java, html or any kind of file they want.



    I made it like that because I want to give the ability for them to host a tiny website on my server, so for example if someone reach this link:



    example.com/sub/mark/index.php
    It will open their home page. and anyone on internet can access that page, also no one can go back behind the main "sub" folder



    I'm concerned about the security, "giving access to my server and let members upload any kind of file" what could go wrong? and how I can make it more secure?










    share|improve this question
























      1












      1








      1


      1






      I made a small website where people can upload their files into my server.



      Every member have their own folder and they can't open or show other people directories.



      Their links looks like this:



      example.com/sub/james/



      example.com/sub/mark/



      example.com/sub/jason/



      Members have an option to uploud php, java, html or any kind of file they want.



      I made it like that because I want to give the ability for them to host a tiny website on my server, so for example if someone reach this link:



      example.com/sub/mark/index.php
      It will open their home page. and anyone on internet can access that page, also no one can go back behind the main "sub" folder



      I'm concerned about the security, "giving access to my server and let members upload any kind of file" what could go wrong? and how I can make it more secure?










      share|improve this question














      I made a small website where people can upload their files into my server.



      Every member have their own folder and they can't open or show other people directories.



      Their links looks like this:



      example.com/sub/james/



      example.com/sub/mark/



      example.com/sub/jason/



      Members have an option to uploud php, java, html or any kind of file they want.



      I made it like that because I want to give the ability for them to host a tiny website on my server, so for example if someone reach this link:



      example.com/sub/mark/index.php
      It will open their home page. and anyone on internet can access that page, also no one can go back behind the main "sub" folder



      I'm concerned about the security, "giving access to my server and let members upload any kind of file" what could go wrong? and how I can make it more secure?







      security apache-2.4






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked May 4 at 11:34









      SomeoneSomeone

      83




      83




















          1 Answer
          1






          active

          oldest

          votes


















          2














          I suggests to use a different user by user on Web server (see Apache-ITK). This will allow each user to not browse all the names and go in the other users.



          You must think also about CPU and RAM : you will maybe forced to use a limit by user.
          Concerning disks, quotas are welcome.



          Don't forget the max execution time to not allow them to run every time process



          If you use PHP, remove all the execution of system programs in disable_functions.



          After that, you will enable logs by users.



          Do not forget the backups !
          And maybe a database server if you need...



          It can be interersting to limit the network connection from this host to Internet, if the user forget to update its prefered CMS



          Good luck and welcome in shared hosting.






          share|improve this answer























          • Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

            – Someone
            May 4 at 12:15











          • It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

            – Dom
            May 4 at 12:30











          Your Answer








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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2














          I suggests to use a different user by user on Web server (see Apache-ITK). This will allow each user to not browse all the names and go in the other users.



          You must think also about CPU and RAM : you will maybe forced to use a limit by user.
          Concerning disks, quotas are welcome.



          Don't forget the max execution time to not allow them to run every time process



          If you use PHP, remove all the execution of system programs in disable_functions.



          After that, you will enable logs by users.



          Do not forget the backups !
          And maybe a database server if you need...



          It can be interersting to limit the network connection from this host to Internet, if the user forget to update its prefered CMS



          Good luck and welcome in shared hosting.






          share|improve this answer























          • Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

            – Someone
            May 4 at 12:15











          • It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

            – Dom
            May 4 at 12:30















          2














          I suggests to use a different user by user on Web server (see Apache-ITK). This will allow each user to not browse all the names and go in the other users.



          You must think also about CPU and RAM : you will maybe forced to use a limit by user.
          Concerning disks, quotas are welcome.



          Don't forget the max execution time to not allow them to run every time process



          If you use PHP, remove all the execution of system programs in disable_functions.



          After that, you will enable logs by users.



          Do not forget the backups !
          And maybe a database server if you need...



          It can be interersting to limit the network connection from this host to Internet, if the user forget to update its prefered CMS



          Good luck and welcome in shared hosting.






          share|improve this answer























          • Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

            – Someone
            May 4 at 12:15











          • It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

            – Dom
            May 4 at 12:30













          2












          2








          2







          I suggests to use a different user by user on Web server (see Apache-ITK). This will allow each user to not browse all the names and go in the other users.



          You must think also about CPU and RAM : you will maybe forced to use a limit by user.
          Concerning disks, quotas are welcome.



          Don't forget the max execution time to not allow them to run every time process



          If you use PHP, remove all the execution of system programs in disable_functions.



          After that, you will enable logs by users.



          Do not forget the backups !
          And maybe a database server if you need...



          It can be interersting to limit the network connection from this host to Internet, if the user forget to update its prefered CMS



          Good luck and welcome in shared hosting.






          share|improve this answer













          I suggests to use a different user by user on Web server (see Apache-ITK). This will allow each user to not browse all the names and go in the other users.



          You must think also about CPU and RAM : you will maybe forced to use a limit by user.
          Concerning disks, quotas are welcome.



          Don't forget the max execution time to not allow them to run every time process



          If you use PHP, remove all the execution of system programs in disable_functions.



          After that, you will enable logs by users.



          Do not forget the backups !
          And maybe a database server if you need...



          It can be interersting to limit the network connection from this host to Internet, if the user forget to update its prefered CMS



          Good luck and welcome in shared hosting.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered May 4 at 11:56









          DomDom

          5,70811422




          5,70811422












          • Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

            – Someone
            May 4 at 12:15











          • It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

            – Dom
            May 4 at 12:30

















          • Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

            – Someone
            May 4 at 12:15











          • It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

            – Dom
            May 4 at 12:30
















          Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

          – Someone
          May 4 at 12:15





          Okay, I will lock into that, thanks, just a tiny question, is there any open source code that these webhosting providers use to manage webhosting? I made mine from scratch php+java, but I don't think it's gonna be secure enough, my problem is; I don't have full access to the server, I'm limited to alot of things, like for example I want to give users emails from my domain but I don't know how I can manage that! is there an open source code to give email services like google! I'm sorry alot of questions..

          – Someone
          May 4 at 12:15













          It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

          – Dom
          May 4 at 12:30





          It exists some opensource soft to manage the users and the hosting, mails and ftp (see cPanel by example). But you must have access to the server as root to install !

          – Dom
          May 4 at 12:30

















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