Hakan VELIOGLU wrote:
> Hi list,
>
> Why the below iptables command always gives Unknown error. Is there
> anybody has
> a solution.
>
> [root@(protected)
> --connlimit-above 16 --connlimit-mask 24 -j REJECT
> iptables: Unknown error 4294967295
> [root@(protected) ~]#
>

"dmesg" will give you a more meaningful error message ... but in this
particular case you're using options for the tcp matching extension
without specifying the module.  You want

  iptables -A INPUT -p tcp -m tcp --syn --dport 80 ...

jch

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