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Jan Engelhardt
09e410def6
Introduces the xt_hashlimit match revision 1. It adds support for kernel-level inversion and grouping source and/or destination IP addresses, allowing to limit on a per-subnet basis. While this would technically obsolete xt_limit, xt_hashlimit is a more expensive due to the hashbucketing. Kernel-level inversion: Previously you had to do user-level inversion: iptables -N foo iptables -A foo -m hashlimit --hashlimit(-upto) 5/s -j RETURN iptables -A foo -j DROP iptables -A INPUT -j foo now it is simpler: iptables -A INPUT -m hashlimit --hashlimit-over 5/s -j DROP Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>