config NETFILTER_XT_TARGET_SYSRQ tristate '"SYSRQ" target support' depends on NETFILTER_XTABLES && NETFILTER_ADVANCED ---help--- The SYSRQ target allows to remotely trigger sysrq on the local machine over the network. This can be useful when vital parts of the machine hang and sysrq cannot be triggered through, for example, the shell.