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authorPatrick McHardy <kaber@trash.net>2006-12-02 22:09:41 -0800
committerDavid S. Miller <davem@davemloft.net>2006-12-02 22:09:41 -0800
commitf09943fefe6b702e40893d35b4f10fd1064037fe (patch)
treeb170d046ecf0642471bb3c55d8e1f316fe9e5ddc /net/netfilter/Kconfig
parent92703eee4ccde3c55ee067a89c373e8a51a8adf9 (diff)
[NETFILTER]: nf_conntrack/nf_nat: add PPTP helper port
Add nf_conntrack port of the PPtP conntrack/NAT helper. Since there seems to be no IPv6-capable PPtP implementation the helper only support IPv4. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/Kconfig')
-rw-r--r--net/netfilter/Kconfig23
1 files changed, 23 insertions, 0 deletions
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index d1a365d83c5..6b2eb26ae03 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