diff --git security/softether/Makefile security/softether/Makefile
index 1fb8255..1af1cca 100644
--- security/softether/Makefile
+++ security/softether/Makefile
@@ -35,7 +35,17 @@ DOS2UNIX_FILES=	AUTHORS.TXT ChangeLog LICENSE README THIRD_PARTY.TXT \
 		src/Mayaqua/Table.h \
 		src/Mayaqua/Unix.c
 
-OPTIONS_DEFINE=	DOCS
+OPTIONS_DEFINE=	DOCS UNLOCK
+
+# Use of some functions in Japan and China is restricted.
+# This option Unlocks regional lockout following functions:
+#  - RADIUS / NT Domain user authentication function
+#  - RSA certificate user authentication function
+#  - Deep-inspect packet logging function
+#  - Source IP address control list function
+#  - syslog transfer function
+UNLOCK_DESC= Unlock regional lockout (JP and CN)
+UNLOCK_EXTRA_PATCHES=	${FILESDIR}/extra-patch-unrestrict-enterprise-functions
 
 ONLY_FOR_ARCHS=	i386 amd64
 
diff --git security/softether/files/extra-patch-unrestrict-enterprise-functions security/softether/files/extra-patch-unrestrict-enterprise-functions
new file mode 100644
index 0000000..90043e5
--- /dev/null
+++ security/softether/files/extra-patch-unrestrict-enterprise-functions
@@ -0,0 +1,29 @@
+diff --git src/Cedar/Server.c src/Cedar/Server.c
+index 2a100ec..ee58f37 100644
+--- src/Cedar/Server.c
++++ src/Cedar/Server.c
+@@ -10859,23 +10859,7 @@ bool SiCheckCurrentRegion(CEDAR *c, char *r)
+ // 
+ bool SiIsEnterpriseFunctionsRestrictedOnOpenSource(CEDAR *c)
+ {
+-	char region[128];
+-	bool ret = false;
+-	// Validate arguments
+-	if (c == NULL)
+-	{
+-		return false;
+-	}
+-
+-
+-	SiGetCurrentRegion(c, region, sizeof(region));
+-
+-	if (StrCmpi(region, "JP") == 0 || StrCmpi(region, "CN") == 0)
+-	{
+-		ret = true;
+-	}
+-
+-	return ret;
++	return false;
+ }
+ 
+ // Update the current region