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* conntrackd: incorrect filtering of Address with cidr /0Pablo Neira Ayuso2019-09-301-3/+9
| | | | | | Set an all zero mask when cidr /0 is specified. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* conntrackd: add support for IPv6 kernel-space filtering via BSFPablo Neira Ayuso2009-07-211-0/+11
| | | | | | | This patch adds the missing support to filter IPv6 from kernel-space by means of the BSF API that libnetfilter_conntrack provides. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* filter: CIDR-based filtering supportPablo Neira Ayuso2008-11-251-0/+59
This patch adds CIDR-based filtering support. The current implementation is O(n). This patch also introduces the vector data type which is used to store the IP address and the network mask. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>