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answers:

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Hi,

Does anyone know if there is a connlimit module that can be used for ip6tables? Please let me know.

Thanks, Kenneth

A: 

Yes, here it is (it may need a kernel patch):

ip6tables -p tcp --syn --dport 80 -s fe80::/64 -m connlimit --connlimit-above 16 --connlimit-mask 64 -j REJECT

yet

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