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Net Filter / xtables

The point of this article is to give a practical explanation of what net filters and xtables are. This isn't a comparison like the wikipedia article. The purpose of this is to understand some of the drivers required for libvirt

todo:

• CONFIG_BRIDGE_EBT_MARK_T

Depends on: NET = y, NETFILTER = y, BRIDGE_NF_EBTABLES=y Location: -> Networking support (NET=y)

 -> Networking options

│ -> Network packet filtering framework (Netfilter) (NETFILTER [=y])

           -> Ethernet Bridge tables (ebtables) support (BRIDGE_NF_EBTABLES [=y])

• CONFIG_BRIDGE_NF_EBTABLES

Depends on: Net = y, bridge = y, netfilter = y, netfilter_xtables = y location: networkign support

   -> networking options
          -> network packet filtering framework (Netfilter) = y

• CONFIG_NETFILTER_ADVANCED depends on the above (Net = y, netfilter = y)

• CONFIG_NETFILTER_XT_CONNMARK

• CONFIG_NETFILTER_XT_TARGET_CHECKSUM
• CONFIG_IP6_NF_NAT
• CONFIG_BRIDGE_EBT_T_NAT
• CONFIG_NET_ACT_POLICE
• CONFIG_NET_CLS_FW:
• CONFIG_NET_CLS_U32
• CONFIG_NET_SCH_HTB
• CONFIG_NET_SCH_INGRESS:
• CONFIG_NET_SCH_SFQ

https://www.cs.unh.edu/cnrg/people/lin/linuxProject/resource/networkOptionHelp.htm