templates/firewall/syn-cookies/node.def


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type: txt
help: Set use TCP syn cookies (default: enable)
default: "enable"
syntax:expression: $VAR(@) in "enable", "disable"; "syn-cookies must be enable or disable"
update:expression: "if [ x$VAR(@) == xenable ]; \
                 then sudo sh -c \"echo 1 > /proc/sys/net/ipv4/tcp_syncookies\"; \
                 else sudo sh -c \"echo 0 > /proc/sys/net/ipv4/tcp_syncookies\"; fi"
delete:expression: "sudo sh -c \"echo 1 > /proc/sys/net/ipv4/tcp_syncookies\""