diff --git a/net-mgmt/flowscan/Makefile b/net-mgmt/flowscan/Makefile
index ed3c83927f37..31af328cd2a8 100644
--- a/net-mgmt/flowscan/Makefile
+++ b/net-mgmt/flowscan/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	flowscan
 PORTVERSION=    1.006
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	net
 MASTER_SITES=	http://net.doit.wisc.edu/~plonka/FlowScan/
 DISTFILES=	FlowScan-${PORTVERSION}.tar.gz
@@ -30,16 +30,25 @@ WRKSRC=			${WRKDIR}/FlowScan-${PORTVERSION}
 pre-install:
 	@ ${MKDIR} -p ${PREFIX}/var/db/flows/bin
 	@ ${MKDIR} -p ${PREFIX}/var/db/flows/graphs
-	@ ${TOUCH} ${PREFIX}/var/db/flows/graphs/.keep_me
 
 post-install:
+	# install sample startup script
 	@ ${INSTALL_SCRIPT} ${FILESDIR}/flowscan.sh \
-		 /usr/local/etc/rc.d/cflowd-flowscan.sh.sample
+		 ${PREFIX}/etc/rc.d/cflowd-flowscan.sh.sample
+	# overwrite cflowd startup script, since we need some additional
+	# parameters !
+	@ ${INSTALL_SCRIPT} ${FILESDIR}/cflowd.sh \
+		${PREFIX}/etc/rc.d/cflowd-base.sh.sample
+	# install sample Makefile to generate graphs
+	@ ${INSTALL_DATA} ${WRKSRC}/graphs.mf \
+		${PREFIX}/var/db/flows/graphs/Makefile.sample
+	# install sample config files
 .for i in	CampusIO.cf Napster_subnets.boulder SubNetIO.cf flowscan.cf \
 		local_nets.boulder our_subnets.boulder
 	@ ${INSTALL_DATA} ${WRKSRC}/cf/${i} \
 		${PREFIX}/var/db/flows/bin/${i}.sample
 .endfor
+	# install important docu files
 	@ ${MKDIR} -p ${PREFIX}/share/doc/flowscan
 	@ ${INSTALL_DATA} ${WRKSRC}/example/crontab \
 		${PREFIX}/share/doc/flowscan/crontab.sample
@@ -48,12 +57,14 @@ post-install:
 	@ ${INSTALL_DATA} ${WRKSRC}/rc/linux/flowscan \
 		${PREFIX}/share/doc/flowscan/flowscan.sample
 	@ ${INSTALL_DATA} ${WRKSRC}/INSTALL ${PREFIX}/share/doc/flowscan
+	# install less important docu files
 .if !defined(NOPORTDOCS)
 	@ ${ECHO_MSG} "===>   Installing documentation for ${PKGNAME}"
 .for i in	README README.html INSTALL.html TODO
 	@ ${INSTALL_DATA} ${WRKSRC}/${i} ${PREFIX}/share/doc/flowscan
 .endfor
 .endif
+	# installation info
 	@ cat ${.CURDIR}/pkg-message
 
 .include <bsd.port.mk>
diff --git a/net-mgmt/flowscan/files/cflowd.sh b/net-mgmt/flowscan/files/cflowd.sh
new file mode 100644
index 000000000000..ae9b46a6fa54
--- /dev/null
+++ b/net-mgmt/flowscan/files/cflowd.sh
@@ -0,0 +1,37 @@
+#! /bin/sh
+
+# rc script for cflowd
+# modified to use proper commandline options for flowscan
+# Andreas Klemm <andreas@FreeBSD.org>, So  25 Mär 2001 12:46:10 CEST
+# $FreeBSD$
+
+if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
+    echo "$0: Cannot determine the PREFIX" >&2
+    exit 1
+fi
+
+case "$1" in
+'start')
+	[ -x $PREFIX/sbin/cflowdmux -a -s $PREFIX/etc/cflowd.conf ] \
+	&& $PREFIX/sbin/cflowdmux $PREFIX/etc/cflowd.conf \
+	&& echo -n " cflowdmux"
+	sleep 2
+	[ -x $PREFIX/sbin/cflowd -a -s $PREFIX/etc/cflowd.conf ] \
+	&& $PREFIX/sbin/cflowd -s 300 -O 0 -m $PREFIX/etc/cflowd.conf \
+	&& echo -n " cflowd"
+	sleep 2
+	[ -x $PREFIX/sbin/cfdcollect -a -s $PREFIX/etc/cfdcollect.conf ] \
+	&& $PREFIX/sbin/cfdcollect $PREFIX/etc/cfdcollect.conf \
+	&& echo -n " cfdcollect"
+	;;
+ 
+'stop')
+	for i in cfdcollect cflowd cflowdmux
+	do
+		sleep 2
+		killall -15 $i && echo "graceful shutdown of $i"
+	done
+	;;
+esac
+
+exit 0
diff --git a/net-mgmt/flowscan/pkg-message b/net-mgmt/flowscan/pkg-message
index bceddd3f5170..9c15f2bd8991 100644
--- a/net-mgmt/flowscan/pkg-message
+++ b/net-mgmt/flowscan/pkg-message
@@ -25,6 +25,9 @@ b)	Configure flowscan, see above mentioned docu !
 		"foo".sample ...
 c)	Customize and install crontab file, example see:
 		${PREFIX}/share/doc/flowscan/crontab.sample
-
 d)	Activate flowscan startscript by renaming it as usual, see example in:
 		${PREFIX}/etc/rc.d/flowscan.sh.sample
+e)	Create graphs using make by customizing the sample Makefile, see docu !
+		${PREFIX}/var/db/flows/graphs/Makefile.sample
+	Please note, that the Makefile has to be reconfigured if you add
+	or remove protocols in ${PREFIX}/var/db/flows/bin/CampusIO.cf !
diff --git a/net-mgmt/flowscan/pkg-plist b/net-mgmt/flowscan/pkg-plist
index 73505a3c85a2..15d672abbdf8 100644
--- a/net-mgmt/flowscan/pkg-plist
+++ b/net-mgmt/flowscan/pkg-plist
@@ -1,3 +1,4 @@
+etc/rc.d/cflowd-base.sh.sample
 etc/rc.d/cflowd-flowscan.sh.sample
 var/db/flows/bin/flowscan
 var/db/flows/bin/FlowScan.pm
@@ -14,7 +15,7 @@ var/db/flows/bin/SubNetIO.cf.sample
 var/db/flows/bin/flowscan.cf.sample
 var/db/flows/bin/local_nets.boulder.sample
 var/db/flows/bin/our_subnets.boulder.sample
-var/db/flows/graphs/.keep_me
+var/db/flows/graphs/Makefile.sample
 share/doc/flowscan/README
 share/doc/flowscan/README.html
 share/doc/flowscan/INSTALL
diff --git a/net/flowscan/Makefile b/net/flowscan/Makefile
index ed3c83927f37..31af328cd2a8 100644
--- a/net/flowscan/Makefile
+++ b/net/flowscan/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	flowscan
 PORTVERSION=    1.006
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	net
 MASTER_SITES=	http://net.doit.wisc.edu/~plonka/FlowScan/
 DISTFILES=	FlowScan-${PORTVERSION}.tar.gz
@@ -30,16 +30,25 @@ WRKSRC=			${WRKDIR}/FlowScan-${PORTVERSION}
 pre-install:
 	@ ${MKDIR} -p ${PREFIX}/var/db/flows/bin
 	@ ${MKDIR} -p ${PREFIX}/var/db/flows/graphs
-	@ ${TOUCH} ${PREFIX}/var/db/flows/graphs/.keep_me
 
 post-install:
+	# install sample startup script
 	@ ${INSTALL_SCRIPT} ${FILESDIR}/flowscan.sh \
-		 /usr/local/etc/rc.d/cflowd-flowscan.sh.sample
+		 ${PREFIX}/etc/rc.d/cflowd-flowscan.sh.sample
+	# overwrite cflowd startup script, since we need some additional
+	# parameters !
+	@ ${INSTALL_SCRIPT} ${FILESDIR}/cflowd.sh \
+		${PREFIX}/etc/rc.d/cflowd-base.sh.sample
+	# install sample Makefile to generate graphs
+	@ ${INSTALL_DATA} ${WRKSRC}/graphs.mf \
+		${PREFIX}/var/db/flows/graphs/Makefile.sample
+	# install sample config files
 .for i in	CampusIO.cf Napster_subnets.boulder SubNetIO.cf flowscan.cf \
 		local_nets.boulder our_subnets.boulder
 	@ ${INSTALL_DATA} ${WRKSRC}/cf/${i} \
 		${PREFIX}/var/db/flows/bin/${i}.sample
 .endfor
+	# install important docu files
 	@ ${MKDIR} -p ${PREFIX}/share/doc/flowscan
 	@ ${INSTALL_DATA} ${WRKSRC}/example/crontab \
 		${PREFIX}/share/doc/flowscan/crontab.sample
@@ -48,12 +57,14 @@ post-install:
 	@ ${INSTALL_DATA} ${WRKSRC}/rc/linux/flowscan \
 		${PREFIX}/share/doc/flowscan/flowscan.sample
 	@ ${INSTALL_DATA} ${WRKSRC}/INSTALL ${PREFIX}/share/doc/flowscan
+	# install less important docu files
 .if !defined(NOPORTDOCS)
 	@ ${ECHO_MSG} "===>   Installing documentation for ${PKGNAME}"
 .for i in	README README.html INSTALL.html TODO
 	@ ${INSTALL_DATA} ${WRKSRC}/${i} ${PREFIX}/share/doc/flowscan
 .endfor
 .endif
+	# installation info
 	@ cat ${.CURDIR}/pkg-message
 
 .include <bsd.port.mk>
diff --git a/net/flowscan/files/cflowd.sh b/net/flowscan/files/cflowd.sh
new file mode 100644
index 000000000000..ae9b46a6fa54
--- /dev/null
+++ b/net/flowscan/files/cflowd.sh
@@ -0,0 +1,37 @@
+#! /bin/sh
+
+# rc script for cflowd
+# modified to use proper commandline options for flowscan
+# Andreas Klemm <andreas@FreeBSD.org>, So  25 Mär 2001 12:46:10 CEST
+# $FreeBSD$
+
+if ! PREFIX=$(expr $0 : "\(/.*\)/etc/rc\.d/$(basename $0)\$"); then
+    echo "$0: Cannot determine the PREFIX" >&2
+    exit 1
+fi
+
+case "$1" in
+'start')
+	[ -x $PREFIX/sbin/cflowdmux -a -s $PREFIX/etc/cflowd.conf ] \
+	&& $PREFIX/sbin/cflowdmux $PREFIX/etc/cflowd.conf \
+	&& echo -n " cflowdmux"
+	sleep 2
+	[ -x $PREFIX/sbin/cflowd -a -s $PREFIX/etc/cflowd.conf ] \
+	&& $PREFIX/sbin/cflowd -s 300 -O 0 -m $PREFIX/etc/cflowd.conf \
+	&& echo -n " cflowd"
+	sleep 2
+	[ -x $PREFIX/sbin/cfdcollect -a -s $PREFIX/etc/cfdcollect.conf ] \
+	&& $PREFIX/sbin/cfdcollect $PREFIX/etc/cfdcollect.conf \
+	&& echo -n " cfdcollect"
+	;;
+ 
+'stop')
+	for i in cfdcollect cflowd cflowdmux
+	do
+		sleep 2
+		killall -15 $i && echo "graceful shutdown of $i"
+	done
+	;;
+esac
+
+exit 0
diff --git a/net/flowscan/pkg-message b/net/flowscan/pkg-message
index bceddd3f5170..9c15f2bd8991 100644
--- a/net/flowscan/pkg-message
+++ b/net/flowscan/pkg-message
@@ -25,6 +25,9 @@ b)	Configure flowscan, see above mentioned docu !
 		"foo".sample ...
 c)	Customize and install crontab file, example see:
 		${PREFIX}/share/doc/flowscan/crontab.sample
-
 d)	Activate flowscan startscript by renaming it as usual, see example in:
 		${PREFIX}/etc/rc.d/flowscan.sh.sample
+e)	Create graphs using make by customizing the sample Makefile, see docu !
+		${PREFIX}/var/db/flows/graphs/Makefile.sample
+	Please note, that the Makefile has to be reconfigured if you add
+	or remove protocols in ${PREFIX}/var/db/flows/bin/CampusIO.cf !
diff --git a/net/flowscan/pkg-plist b/net/flowscan/pkg-plist
index 73505a3c85a2..15d672abbdf8 100644
--- a/net/flowscan/pkg-plist
+++ b/net/flowscan/pkg-plist
@@ -1,3 +1,4 @@
+etc/rc.d/cflowd-base.sh.sample
 etc/rc.d/cflowd-flowscan.sh.sample
 var/db/flows/bin/flowscan
 var/db/flows/bin/FlowScan.pm
@@ -14,7 +15,7 @@ var/db/flows/bin/SubNetIO.cf.sample
 var/db/flows/bin/flowscan.cf.sample
 var/db/flows/bin/local_nets.boulder.sample
 var/db/flows/bin/our_subnets.boulder.sample
-var/db/flows/graphs/.keep_me
+var/db/flows/graphs/Makefile.sample
 share/doc/flowscan/README
 share/doc/flowscan/README.html
 share/doc/flowscan/INSTALL