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Block IP range using iptables [duplicate]



The 2019 Stack Overflow Developer Survey Results Are InHow to filter ranges of IP addresses?Redirect http using iptables for an ip rangeUsing iptables to block for specific servicesHelp to understand Iptables Forward chain with DNATBlanket blocking SMTP with whitelistIPtables don't block IPiptables Forward port range on dd-wrt for proxmox vncIptables drop access to specific ip address except from my ipHow to block communication between 2 different subnets?Foward ports with iptables NAT rules?iptables,how to flush / shutdown firewall correctly?



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0
















This question already has an answer here:



  • How to filter ranges of IP addresses?

    3 answers



I am trying to use in DD-WRT iptables to block an ip range
Ex: I want to block



iptables -I FORWARD -s 192.168.2.105-192.168.2.110 -j DROP


but it does not work.










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marked as duplicate by sebasth, muru, Fabby, Prvt_Yadv, Stephen Harris yesterday


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
























    0
















    This question already has an answer here:



    • How to filter ranges of IP addresses?

      3 answers



    I am trying to use in DD-WRT iptables to block an ip range
    Ex: I want to block



    iptables -I FORWARD -s 192.168.2.105-192.168.2.110 -j DROP


    but it does not work.










    share|improve this question









    New contributor




    vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.











    marked as duplicate by sebasth, muru, Fabby, Prvt_Yadv, Stephen Harris yesterday


    This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.




















      0












      0








      0









      This question already has an answer here:



      • How to filter ranges of IP addresses?

        3 answers



      I am trying to use in DD-WRT iptables to block an ip range
      Ex: I want to block



      iptables -I FORWARD -s 192.168.2.105-192.168.2.110 -j DROP


      but it does not work.










      share|improve this question









      New contributor




      vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.













      This question already has an answer here:



      • How to filter ranges of IP addresses?

        3 answers



      I am trying to use in DD-WRT iptables to block an ip range
      Ex: I want to block



      iptables -I FORWARD -s 192.168.2.105-192.168.2.110 -j DROP


      but it does not work.





      This question already has an answer here:



      • How to filter ranges of IP addresses?

        3 answers







      iptables






      share|improve this question









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      vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question









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      share|improve this question




      share|improve this question








      edited yesterday









      Rui F Ribeiro

      42k1483142




      42k1483142






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      asked yesterday









      vinibuddvinibudd

      31




      31




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      New contributor





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      vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      marked as duplicate by sebasth, muru, Fabby, Prvt_Yadv, Stephen Harris yesterday


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.









      marked as duplicate by sebasth, muru, Fabby, Prvt_Yadv, Stephen Harris yesterday


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.






















          2 Answers
          2






          active

          oldest

          votes


















          1














          You need to use the below



          iptables -I FORWARD -m iprange --src-range 192.168.2.105-192.168.2.110 -j DROP


          where




          -m, --match match



          Specifies a match to use, that is, an extension module that tests for a specific property. The set of
          matches make up the condition under which a target is invoked. Matches are evaluated first to last as spec‐
          ified on the command line and work in short-circuit fashion, i.e. if one extension yields false, evaluation
          will stop.







          share|improve this answer










          New contributor




          Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.




















          • Thanks for the help, but DD-WRT did not work this command on the firewall

            – vinibudd
            yesterday











          • Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

            – telcoM
            yesterday


















          0














          I just discovered the iptables lock on DD-WRT only works by CIDR



          ex



          iptables -I FORWARD -s 192.168.1.100/30 -j DROP
          iptables -I FORWARD -s 192.168.1.104/29 -j DROP
          iptables -I FORWARD -s 192.168.1.112/28 -j DROP
          iptables -I FORWARD -s 192.168.1.128/28 -j DROP


          A pity, but perhaps this limitation happens because my construction has little memory






          share|improve this answer








          New contributor




          vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.


























            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            1














            You need to use the below



            iptables -I FORWARD -m iprange --src-range 192.168.2.105-192.168.2.110 -j DROP


            where




            -m, --match match



            Specifies a match to use, that is, an extension module that tests for a specific property. The set of
            matches make up the condition under which a target is invoked. Matches are evaluated first to last as spec‐
            ified on the command line and work in short-circuit fashion, i.e. if one extension yields false, evaluation
            will stop.







            share|improve this answer










            New contributor




            Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.




















            • Thanks for the help, but DD-WRT did not work this command on the firewall

              – vinibudd
              yesterday











            • Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

              – telcoM
              yesterday















            1














            You need to use the below



            iptables -I FORWARD -m iprange --src-range 192.168.2.105-192.168.2.110 -j DROP


            where




            -m, --match match



            Specifies a match to use, that is, an extension module that tests for a specific property. The set of
            matches make up the condition under which a target is invoked. Matches are evaluated first to last as spec‐
            ified on the command line and work in short-circuit fashion, i.e. if one extension yields false, evaluation
            will stop.







            share|improve this answer










            New contributor




            Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.




















            • Thanks for the help, but DD-WRT did not work this command on the firewall

              – vinibudd
              yesterday











            • Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

              – telcoM
              yesterday













            1












            1








            1







            You need to use the below



            iptables -I FORWARD -m iprange --src-range 192.168.2.105-192.168.2.110 -j DROP


            where




            -m, --match match



            Specifies a match to use, that is, an extension module that tests for a specific property. The set of
            matches make up the condition under which a target is invoked. Matches are evaluated first to last as spec‐
            ified on the command line and work in short-circuit fashion, i.e. if one extension yields false, evaluation
            will stop.







            share|improve this answer










            New contributor




            Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.










            You need to use the below



            iptables -I FORWARD -m iprange --src-range 192.168.2.105-192.168.2.110 -j DROP


            where




            -m, --match match



            Specifies a match to use, that is, an extension module that tests for a specific property. The set of
            matches make up the condition under which a target is invoked. Matches are evaluated first to last as spec‐
            ified on the command line and work in short-circuit fashion, i.e. if one extension yields false, evaluation
            will stop.








            share|improve this answer










            New contributor




            Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            share|improve this answer



            share|improve this answer








            edited yesterday









            John1024

            48.6k5114129




            48.6k5114129






            New contributor




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            answered yesterday









            GoronGoron

            1695




            1695




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            New contributor





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            Goron is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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            • Thanks for the help, but DD-WRT did not work this command on the firewall

              – vinibudd
              yesterday











            • Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

              – telcoM
              yesterday

















            • Thanks for the help, but DD-WRT did not work this command on the firewall

              – vinibudd
              yesterday











            • Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

              – telcoM
              yesterday
















            Thanks for the help, but DD-WRT did not work this command on the firewall

            – vinibudd
            yesterday





            Thanks for the help, but DD-WRT did not work this command on the firewall

            – vinibudd
            yesterday













            Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

            – telcoM
            yesterday





            Yes, iprange is one of iptables extensions modules (kernel module xt_iprange.ko), which are optional: it's possible an embedded Linux distribution may have omitted some of the extensions from its kernel configuration to minimize kernel size or simply packaged them as a separate optional package(s) to allow minimizing storage space usage.

            – telcoM
            yesterday













            0














            I just discovered the iptables lock on DD-WRT only works by CIDR



            ex



            iptables -I FORWARD -s 192.168.1.100/30 -j DROP
            iptables -I FORWARD -s 192.168.1.104/29 -j DROP
            iptables -I FORWARD -s 192.168.1.112/28 -j DROP
            iptables -I FORWARD -s 192.168.1.128/28 -j DROP


            A pity, but perhaps this limitation happens because my construction has little memory






            share|improve this answer








            New contributor




            vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.
























              0














              I just discovered the iptables lock on DD-WRT only works by CIDR



              ex



              iptables -I FORWARD -s 192.168.1.100/30 -j DROP
              iptables -I FORWARD -s 192.168.1.104/29 -j DROP
              iptables -I FORWARD -s 192.168.1.112/28 -j DROP
              iptables -I FORWARD -s 192.168.1.128/28 -j DROP


              A pity, but perhaps this limitation happens because my construction has little memory






              share|improve this answer








              New contributor




              vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.






















                0












                0








                0







                I just discovered the iptables lock on DD-WRT only works by CIDR



                ex



                iptables -I FORWARD -s 192.168.1.100/30 -j DROP
                iptables -I FORWARD -s 192.168.1.104/29 -j DROP
                iptables -I FORWARD -s 192.168.1.112/28 -j DROP
                iptables -I FORWARD -s 192.168.1.128/28 -j DROP


                A pity, but perhaps this limitation happens because my construction has little memory






                share|improve this answer








                New contributor




                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.










                I just discovered the iptables lock on DD-WRT only works by CIDR



                ex



                iptables -I FORWARD -s 192.168.1.100/30 -j DROP
                iptables -I FORWARD -s 192.168.1.104/29 -j DROP
                iptables -I FORWARD -s 192.168.1.112/28 -j DROP
                iptables -I FORWARD -s 192.168.1.128/28 -j DROP


                A pity, but perhaps this limitation happens because my construction has little memory







                share|improve this answer








                New contributor




                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






                New contributor




                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                answered yesterday









                vinibuddvinibudd

                31




                31




                New contributor




                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.





                New contributor





                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                vinibudd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.













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