CONFIG_NETFILTER_XT_TARGET_CHECKSUM: CHECKSUM target support

General informations

The Linux kernel configuration item CONFIG_NETFILTER_XT_TARGET_CHECKSUM:

• prompt: CHECKSUM target support
• type: tristate
• depends on: ( CONFIG_IP_NF_MANGLE || CONFIG_IP6_NF_MANGLE || CONFIG_NFT_COMPAT ) && ( CONFIG_NETFILTER_ADVANCED )
• defined in net/netfilter/Kconfig
• found in Linux kernels: 2.6.36–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12
• modules built: xt_CHECKSUM

Help text

This option adds a `CHECKSUM' target, which can be used in the iptables mangle table to work around buggy DHCP clients in virtualized environments.

Some old DHCP clients drop packets because they are not aware that the checksum would normally be offloaded to hardware and thus should be considered valid. This target can be used to fill in the checksum using iptables when such packets are sent via a virtual network device.

To compile it as a module, choose M here. If unsure, say N.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module xt_CHECKSUM CONFIG_NETFILTER_XT_TARGET_CHECKSUM : net/netfilter/Kconfig : "CHECKSUM target support" # in 2.6.36–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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