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linux_router:netfilter [2024-06-23 Sun wk25 09:10] – [IPTables Tables and Chains] baumkplinux_router:netfilter [2024-06-23 Sun wk25 09:11] (current) – baumkp
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 =====IPTables and Netfilter===== =====IPTables and Netfilter=====
 The following is taken from Digitalocean [[https://www.digitalocean.com/community/tutorials/a-deep-dive-into-iptables-and-netfilter-architecture|A Deep Dive into Iptables and Netfilter Architecture]].  While it it is focus on iptables the concepts are basically valid for nftables.  The following is taken from Digitalocean [[https://www.digitalocean.com/community/tutorials/a-deep-dive-into-iptables-and-netfilter-architecture|A Deep Dive into Iptables and Netfilter Architecture]].  While it it is focus on iptables the concepts are basically valid for nftables. 
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 ====IPTables Tables and Chains==== ====IPTables Tables and Chains====
  
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 The states tracked in the connection tracking system allow administrators to craft rules that target specific points in a connection’s lifetime. This provides the functionality needed for more thorough and secure rules. The states tracked in the connection tracking system allow administrators to craft rules that target specific points in a connection’s lifetime. This provides the functionality needed for more thorough and secure rules.
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 ====Some references==== ====Some references====