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-rw-r--r--share/man/man4/ipsec.412
1 files changed, 7 insertions, 5 deletions
diff --git a/share/man/man4/ipsec.4 b/share/man/man4/ipsec.4
index 4bc45d6ee28d..47ccdb1082b5 100644
--- a/share/man/man4/ipsec.4
+++ b/share/man/man4/ipsec.4
@@ -29,7 +29,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd August 5, 2007
+.Dd May 23, 2009
.Dt IPSEC 4
.Os
.Sh NAME
@@ -37,7 +37,6 @@
.Nd Internet Protocol Security protocol
.Sh SYNOPSIS
.Cd "options IPSEC"
-.Cd "options IPSEC_FILTERTUNNEL"
.Cd "device crypto"
.Pp
.In sys/types.h
@@ -88,9 +87,12 @@ inbound.
.Pp
To properly filter on the inner packets of an
.Nm
-tunnel with firewalls, add
-.Cd "options IPSEC_FILTERTUNNEL"
-to the kernel configuration file.
+tunnel with firewalls, you can change the values of the following sysctls
+.Bl -column net.inet6.ipsec6.filtertunnel default enable
+.It Sy "Name Default Enable"
+.It net.inet.ipsec.filtertunnel 0 1
+.It net.inet6.ipsec6.filtertunnel 0 1
+.El
.\"
.Ss Kernel interface
.Nm