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How to remove “Client-Peer” (etc) header in nginx with php-fastcgi


How to remove IIS/ASP.NET Response HeadersExpires directive returned in the ngix server response headernginx & php-fpm and custom headerIs it possible to tell nginx over fastcgi to pass a Connection: close header through unaltered?Remove X-Powered-By: PHP on IIS7Add custom headers to HTTP 401 responses from Kerberos mod_auth_kerbnginx 1.8.1 is not caching with Vary Accept headerFastCGI: Access deniedGetting HTTP response with date before request date. Is that right?Nginx on CentOS: How can I change the “Server” header?






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5















My setup:



  • OS: Ubuntu 11.04

  • HTTP Server: nginx 1.2.1

    • compiled with the HttpHeadersMore module

    • processing PHP via php-fastcgi


  • (other irrelevant software - ruby, python, etc)

My problem:



I'm trying to completely mask the software which serves the pages (partly security, mostly because it's fun), I've managed to change the server name and remove the X-Powered-By header which php-fastcgi adds, but I'm having trouble removing three headers:



Client-Date: Thu, 14 Jun 2012 20:32:34 GMT
Client-Peer: 205.186.146.37:80
Client-Response-Num: 1


I have used more_clear_headers from the HttpHeadersMore module but that has no effect, despite being able to remove the X-Powered-By headers.



This is in my http block



more_set_headers "Server: Tesco Value";
more_clear_headers "X-Powered-By";
more_clear_headers "Client-*";
more_clear_headers "Client-Date";
more_clear_headers "Client-Response-Num";
more_clear_headers "Client-Peer";
more_clear_headers "X-Pingback";

add_header X-Required-Volume-Setting 11;
add_header X-Required-Speed 88mph;

# NEW: added in thanks to the answer from @kworr - but still doesn't work
fastcgi_hide_header "Client-Date";
fastcgi_hide_header "Client-Response-Num";
fastcgi_hide_header "Client-Peer";


If you run HEAD slightlymore.co.uk you'll see that neither explicit nor wildcard rules get rid of the header. I'm guessing that these headers are set after the output-header-filter phase - but I'd like to know if anyone has any more information on this, and especially if anyone has a solution.



UPDATE



@kworr suggested that fastcgi_hide_header might be what I'm looking for - but still doesn't work. Perhaps it's just my system?










share|improve this question






























    5















    My setup:



    • OS: Ubuntu 11.04

    • HTTP Server: nginx 1.2.1

      • compiled with the HttpHeadersMore module

      • processing PHP via php-fastcgi


    • (other irrelevant software - ruby, python, etc)

    My problem:



    I'm trying to completely mask the software which serves the pages (partly security, mostly because it's fun), I've managed to change the server name and remove the X-Powered-By header which php-fastcgi adds, but I'm having trouble removing three headers:



    Client-Date: Thu, 14 Jun 2012 20:32:34 GMT
    Client-Peer: 205.186.146.37:80
    Client-Response-Num: 1


    I have used more_clear_headers from the HttpHeadersMore module but that has no effect, despite being able to remove the X-Powered-By headers.



    This is in my http block



    more_set_headers "Server: Tesco Value";
    more_clear_headers "X-Powered-By";
    more_clear_headers "Client-*";
    more_clear_headers "Client-Date";
    more_clear_headers "Client-Response-Num";
    more_clear_headers "Client-Peer";
    more_clear_headers "X-Pingback";

    add_header X-Required-Volume-Setting 11;
    add_header X-Required-Speed 88mph;

    # NEW: added in thanks to the answer from @kworr - but still doesn't work
    fastcgi_hide_header "Client-Date";
    fastcgi_hide_header "Client-Response-Num";
    fastcgi_hide_header "Client-Peer";


    If you run HEAD slightlymore.co.uk you'll see that neither explicit nor wildcard rules get rid of the header. I'm guessing that these headers are set after the output-header-filter phase - but I'd like to know if anyone has any more information on this, and especially if anyone has a solution.



    UPDATE



    @kworr suggested that fastcgi_hide_header might be what I'm looking for - but still doesn't work. Perhaps it's just my system?










    share|improve this question


























      5












      5








      5








      My setup:



      • OS: Ubuntu 11.04

      • HTTP Server: nginx 1.2.1

        • compiled with the HttpHeadersMore module

        • processing PHP via php-fastcgi


      • (other irrelevant software - ruby, python, etc)

      My problem:



      I'm trying to completely mask the software which serves the pages (partly security, mostly because it's fun), I've managed to change the server name and remove the X-Powered-By header which php-fastcgi adds, but I'm having trouble removing three headers:



      Client-Date: Thu, 14 Jun 2012 20:32:34 GMT
      Client-Peer: 205.186.146.37:80
      Client-Response-Num: 1


      I have used more_clear_headers from the HttpHeadersMore module but that has no effect, despite being able to remove the X-Powered-By headers.



      This is in my http block



      more_set_headers "Server: Tesco Value";
      more_clear_headers "X-Powered-By";
      more_clear_headers "Client-*";
      more_clear_headers "Client-Date";
      more_clear_headers "Client-Response-Num";
      more_clear_headers "Client-Peer";
      more_clear_headers "X-Pingback";

      add_header X-Required-Volume-Setting 11;
      add_header X-Required-Speed 88mph;

      # NEW: added in thanks to the answer from @kworr - but still doesn't work
      fastcgi_hide_header "Client-Date";
      fastcgi_hide_header "Client-Response-Num";
      fastcgi_hide_header "Client-Peer";


      If you run HEAD slightlymore.co.uk you'll see that neither explicit nor wildcard rules get rid of the header. I'm guessing that these headers are set after the output-header-filter phase - but I'd like to know if anyone has any more information on this, and especially if anyone has a solution.



      UPDATE



      @kworr suggested that fastcgi_hide_header might be what I'm looking for - but still doesn't work. Perhaps it's just my system?










      share|improve this question
















      My setup:



      • OS: Ubuntu 11.04

      • HTTP Server: nginx 1.2.1

        • compiled with the HttpHeadersMore module

        • processing PHP via php-fastcgi


      • (other irrelevant software - ruby, python, etc)

      My problem:



      I'm trying to completely mask the software which serves the pages (partly security, mostly because it's fun), I've managed to change the server name and remove the X-Powered-By header which php-fastcgi adds, but I'm having trouble removing three headers:



      Client-Date: Thu, 14 Jun 2012 20:32:34 GMT
      Client-Peer: 205.186.146.37:80
      Client-Response-Num: 1


      I have used more_clear_headers from the HttpHeadersMore module but that has no effect, despite being able to remove the X-Powered-By headers.



      This is in my http block



      more_set_headers "Server: Tesco Value";
      more_clear_headers "X-Powered-By";
      more_clear_headers "Client-*";
      more_clear_headers "Client-Date";
      more_clear_headers "Client-Response-Num";
      more_clear_headers "Client-Peer";
      more_clear_headers "X-Pingback";

      add_header X-Required-Volume-Setting 11;
      add_header X-Required-Speed 88mph;

      # NEW: added in thanks to the answer from @kworr - but still doesn't work
      fastcgi_hide_header "Client-Date";
      fastcgi_hide_header "Client-Response-Num";
      fastcgi_hide_header "Client-Peer";


      If you run HEAD slightlymore.co.uk you'll see that neither explicit nor wildcard rules get rid of the header. I'm guessing that these headers are set after the output-header-filter phase - but I'd like to know if anyone has any more information on this, and especially if anyone has a solution.



      UPDATE



      @kworr suggested that fastcgi_hide_header might be what I'm looking for - but still doesn't work. Perhaps it's just my system?







      nginx http-headers






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Mar 5 '16 at 22:29









      sysadmin1138

      118k17146282




      118k17146282










      asked Jun 14 '12 at 20:42









      iblamefishiblamefish

      13316




      13316




















          2 Answers
          2






          active

          oldest

          votes


















          1














          Those headers were not present in the HTTP response at all. Neither nginx nor php-fpm ever sent them, so trying to block them is pointless.



          They are synthetic response headers added to the response by your user agent, libwww-perl.



          If you don't wish to see them, make HTTP requests with some other library, such as libcurl.






          share|improve this answer
































            -1














            I think fastcgi_hide_header is what you really need.






            share|improve this answer























            • I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

              – iblamefish
              Jun 17 '12 at 17:15












            • Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

              – Tim
              May 2 '17 at 20:14











            Your Answer








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            2 Answers
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            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            1














            Those headers were not present in the HTTP response at all. Neither nginx nor php-fpm ever sent them, so trying to block them is pointless.



            They are synthetic response headers added to the response by your user agent, libwww-perl.



            If you don't wish to see them, make HTTP requests with some other library, such as libcurl.






            share|improve this answer





























              1














              Those headers were not present in the HTTP response at all. Neither nginx nor php-fpm ever sent them, so trying to block them is pointless.



              They are synthetic response headers added to the response by your user agent, libwww-perl.



              If you don't wish to see them, make HTTP requests with some other library, such as libcurl.






              share|improve this answer



























                1












                1








                1







                Those headers were not present in the HTTP response at all. Neither nginx nor php-fpm ever sent them, so trying to block them is pointless.



                They are synthetic response headers added to the response by your user agent, libwww-perl.



                If you don't wish to see them, make HTTP requests with some other library, such as libcurl.






                share|improve this answer















                Those headers were not present in the HTTP response at all. Neither nginx nor php-fpm ever sent them, so trying to block them is pointless.



                They are synthetic response headers added to the response by your user agent, libwww-perl.



                If you don't wish to see them, make HTTP requests with some other library, such as libcurl.







                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited May 16 '18 at 1:19

























                answered Mar 16 '18 at 21:19









                Michael HamptonMichael Hampton

                177k27322655




                177k27322655























                    -1














                    I think fastcgi_hide_header is what you really need.






                    share|improve this answer























                    • I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                      – iblamefish
                      Jun 17 '12 at 17:15












                    • Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                      – Tim
                      May 2 '17 at 20:14















                    -1














                    I think fastcgi_hide_header is what you really need.






                    share|improve this answer























                    • I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                      – iblamefish
                      Jun 17 '12 at 17:15












                    • Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                      – Tim
                      May 2 '17 at 20:14













                    -1












                    -1








                    -1







                    I think fastcgi_hide_header is what you really need.






                    share|improve this answer













                    I think fastcgi_hide_header is what you really need.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered Jun 14 '12 at 21:05









                    kworrkworr

                    975614




                    975614












                    • I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                      – iblamefish
                      Jun 17 '12 at 17:15












                    • Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                      – Tim
                      May 2 '17 at 20:14

















                    • I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                      – iblamefish
                      Jun 17 '12 at 17:15












                    • Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                      – Tim
                      May 2 '17 at 20:14
















                    I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                    – iblamefish
                    Jun 17 '12 at 17:15






                    I tried that but it doesn't seem to work either. I tried replacing more_clear_headers, using it as well as more_clear_headers, and tried all the different contexts, but the headers are still there :( Question updated accordingly.

                    – iblamefish
                    Jun 17 '12 at 17:15














                    Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                    – Tim
                    May 2 '17 at 20:14





                    Your Nginx has to include the "headers more" module. You can check if it's built using with "nginx -V" - look for "headers-more-nginx-module" in the output. Building Nginx is easy. Once that's done this is an example of a working way to clear headers : more_clear_headers Server;

                    – Tim
                    May 2 '17 at 20:14

















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