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authorJames Chapman <jchapman@katalix.com>2014-01-06 10:17:08 +0000
committerPablo Neira Ayuso <pablo@netfilter.org>2014-01-09 21:36:39 +0100
commit74f77a6b2b1c98d3f14364dccdd2353b99ecfeda (patch)
tree904a08be6af43df01ac205c71885a038d35b8bfc /net/netfilter/Makefile
parentd0eb1f7e66dd53355746cd6a8e7e56c465dc6cde (diff)
netfilter: introduce l2tp match extension
Introduce an xtables add-on for matching L2TP packets. Supports L2TPv2 and L2TPv3 over IPv4 and IPv6. As well as filtering on L2TP tunnel-id and session-id, the filtering decision can also include the L2TP packet type (control or data), protocol version (2 or 3) and encapsulation type (UDP or IP). The most common use for this will likely be to filter L2TP data packets of individual L2TP tunnels or sessions. While a u32 match can be used, the L2TP protocol headers are such that field offsets differ depending on bits set in the header, making rules for matching generic L2TP connections cumbersome. This match extension takes care of all that. Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/Makefile')
-rw-r--r--net/netfilter/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 78b4e1c9c595..b8bc5b85c728 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -137,6 +137,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
obj-$(CONFIG_NETFILTER_XT_MATCH_IPCOMP) += xt_ipcomp.o
obj-$(CONFIG_NETFILTER_XT_MATCH_IPRANGE) += xt_iprange.o
obj-$(CONFIG_NETFILTER_XT_MATCH_IPVS) += xt_ipvs.o
+obj-$(CONFIG_NETFILTER_XT_MATCH_L2TP) += xt_l2tp.o
obj-$(CONFIG_NETFILTER_XT_MATCH_LENGTH) += xt_length.o
obj-$(CONFIG_NETFILTER_XT_MATCH_LIMIT) += xt_limit.o
obj-$(CONFIG_NETFILTER_XT_MATCH_MAC) += xt_mac.o