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CONFIG_NETFILTER_XT_TARGET_CHECKSUM: CHECKSUM target support

General informations

The Linux kernel configuration item CONFIG_NETFILTER_XT_TARGET_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

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