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* bsf: use ntohl instead of htonl in the examplePablo Neira Ayuso2008-07-231-1/+2
| | | | | | Fix wrong use of htonl in the example filter. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* Extend high-level API for netlink BSF to add negative logicPablo Neira Ayuso2008-07-181-0/+5
| | | | | | | This patch introduces nfct_filter_set_logic() to set the filtering logic which results in a more flexible solution. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* add berkeley socket filtering high-level APIPablo Neira Ayuso2008-07-171-0/+83
This patch adds an abstraction level to berkeley sockets filter (BSF) for Netlink sockets available since Linux kernel 2.6.26. This provides an easy way to attach filters without knowing about BSF at all. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>