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linux_router:nftables [2024-06-16 Sun wk24 12:07] – [Router Configuration] baumkplinux_router:nftables [2024-09-21 Sat wk38 20:29] (current) – [iptables] baumkp
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   * ''sudo sysctl net.ipv4.ip_forward=1'' to set or =0 turn off   * ''sudo sysctl net.ipv4.ip_forward=1'' to set or =0 turn off
   * ''sudo sysctl net.ipv6.conf.all.forwarding=1'' similar for ipv6    * ''sudo sysctl net.ipv6.conf.all.forwarding=1'' similar for ipv6 
 +====iptables====
 +It is not a good idea to have both iptables and nftables rules setup at the same time.
 +  *To check existing iptables rules: ''sudo iptables -S'', the output should be as follows, indicating no restrictions:
 +<code text>-P INPUT ACCEPT
 +-P FORWARD ACCEPT
 +-P OUTPUT ACCEPT</code>
 +  *The iptables rules can be flushed with ''sudo iptables -F''.
 +
 ====Sample NFTables configuration==== ====Sample NFTables configuration====