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-rw-r--r--net/netfilter/Kconfig23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index d1a365d83c53..6b2eb26ae03f 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -120,6 +120,10 @@ config NF_CONNTRACK_EVENTS
If unsure, say `N'.
+config NF_CT_PROTO_GRE
+ tristate
+ depends on EXPERIMENTAL && NF_CONNTRACK
+
config NF_CT_PROTO_SCTP
tristate 'SCTP protocol on new connection tracking support (EXPERIMENTAL)'
depends on EXPERIMENTAL && NF_CONNTRACK
@@ -213,6 +217,25 @@ config NF_CONNTRACK_NETBIOS_NS
To compile it as a module, choose M here. If unsure, say N.
+config NF_CONNTRACK_PPTP
+ tristate "PPtP protocol support (EXPERIMENTAL)"
+ depends on EXPERIMENTAL && NF_CONNTRACK
+ select NF_CT_PROTO_GRE
+ help
+ This module adds support for PPTP (Point to Point Tunnelling
+ Protocol, RFC2637) connection tracking and NAT.
+
+ If you are running PPTP sessions over a stateful firewall or NAT
+ box, you may want to enable this feature.
+
+ Please note that not all PPTP modes of operation are supported yet.
+ Specifically these limitations exist:
+ - Blindy assumes that control connections are always established
+ in PNS->PAC direction. This is a violation of RFC2637.
+ - Only supports a single call within each session
+
+ To compile it as a module, choose M here. If unsure, say N.
+
config NF_CT_NETLINK
tristate 'Connection tracking netlink interface (EXPERIMENTAL)'
depends on EXPERIMENTAL && NF_CONNTRACK && NETFILTER_NETLINK