blocking all traffic except whitelisted ip adresses

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I need block all incoming and outcoming connections in firewall, except ip adresses i whitelist. I am currently on virtual machine using ubuntu.
I tried these commands from this site:
but i cant connect to this website, which is google, but ping works, i have no experience with linux, other websites don't work aswell.



iptables -A INPUT -s 172.217.23.206 -j ACCEPT
iptables -A OUTPUT -d 172.217.23.206 -j ACCEPT
iptables -P INPUT DROP
iptables -P OUTPUT DROP





ubuntu firewall






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    up vote
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    favorite












    I need block all incoming and outcoming connections in firewall, except ip adresses i whitelist. I am currently on virtual machine using ubuntu.
    I tried these commands from this site:
    but i cant connect to this website, which is google, but ping works, i have no experience with linux, other websites don't work aswell.



    iptables -A INPUT -s 172.217.23.206 -j ACCEPT
    iptables -A OUTPUT -d 172.217.23.206 -j ACCEPT
    iptables -P INPUT DROP
    iptables -P OUTPUT DROP





    ubuntu firewall






    share







    New contributor




    empleat 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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      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I need block all incoming and outcoming connections in firewall, except ip adresses i whitelist. I am currently on virtual machine using ubuntu.
      I tried these commands from this site:
      but i cant connect to this website, which is google, but ping works, i have no experience with linux, other websites don't work aswell.



      iptables -A INPUT -s 172.217.23.206 -j ACCEPT
      iptables -A OUTPUT -d 172.217.23.206 -j ACCEPT
      iptables -P INPUT DROP
      iptables -P OUTPUT DROP





      ubuntu firewall






      share







      New contributor




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











      I need block all incoming and outcoming connections in firewall, except ip adresses i whitelist. I am currently on virtual machine using ubuntu.
      I tried these commands from this site:
      but i cant connect to this website, which is google, but ping works, i have no experience with linux, other websites don't work aswell.



      iptables -A INPUT -s 172.217.23.206 -j ACCEPT
      iptables -A OUTPUT -d 172.217.23.206 -j ACCEPT
      iptables -P INPUT DROP
      iptables -P OUTPUT DROP





      ubuntu firewall




      ubuntu firewall





      share







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










      share







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      empleat 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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