diff --git a/Dockerfile b/Dockerfile
index dfaf337..b8beda9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,8 @@
 FROM lsiobase/alpine:3.7
 
+# copy tcpping script
+COPY tcpping /defaults/
+
 # set version label
 ARG BUILD_DATE
 ARG VERSION
@@ -16,11 +19,19 @@ RUN \
 	smokeping \
 	ssmtp \
 	sudo \
+	tcptraceroute \
 	ttf-dejavu && \
- echo "**** give abc sudo access to traceroute ****" && \
- echo "abc ALL=(ALL) NOPASSWD: /usr/bin/traceroute" >> /etc/sudoers.d/traceroute && \
+ echo "**** give abc sudo access to traceroute & tcptraceroute ****" && \
+ echo \
+ "abc ALL=(ALL) NOPASSWD: /usr/bin/traceroute" >> \
+	/etc/sudoers.d/traceroute && \
+ echo \
+ "abc ALL=(ALL) NOPASSWD: /usr/bin/tcptraceroute" >> \
+	/etc/sudoers.d/tcptraceroute && \
  echo "**** fix path to cropper.js ****" && \
  sed -i 's#src="/cropper/#/src="cropper/#' /etc/smokeping/basepage.html && \
+ echo "**** install tcping script ****" && \
+ install -m755 -D /defaults/tcpping /usr/bin/ && \
  echo "**** remove default apache conf ****" && \
  rm -f /etc/apache2/httpd.conf
 
diff --git a/README.md b/README.md
index 5e24fb8..eb6ed5c 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,7 @@ To monitor the logs of the container in realtime `docker logs -f smokeping`.
 
 ## Versions
 
++ **08.04.18:** Add tccping script and tcptraceroute package (thanks rcarmo).
 + **13.12.17:** Expose httpd_conf to /config.
 + **13.12.17:** Rebase to alpine 3.7.
 + **24.07.17:** Add :unraid tag for hosts without ipv6.
diff --git a/tcpping b/tcpping
new file mode 100644
index 0000000..05366ac
--- /dev/null
+++ b/tcpping
@@ -0,0 +1,144 @@
+#!/bin/sh
+#
+# tcpping: test response times using TCP SYN packets
+#          URL: http://www.vdberg.org/~richard/tcpping.html
+#
+# uses tcptraceroute from http://michael.toren.net/code/tcptraceroute/
+#
+# (c) 2002-2005 Richard van den Berg <richard@vdberg.org> under the GPL
+#               http://www.gnu.org/copyleft/gpl.html
+#
+# 2002/12/20 v1.0 initial version
+# 2003/01/25 v1.1 added -c and -r options
+#                 now accepting all other tcptraceroute options
+# 2003/01/30 v1.2 removed double quotes around backquotes
+# 2003/03/25 v1.3 added -x option, courtesy of Alvin Austin <alvin@crlogic.com>
+# 2005/03/31 v1.4 added -C option, courtesy of Norman Rasmussen <norman@rasmussen.org>
+# 2007/01/11 v1.5 catch bad destination addresses
+# 2007/01/19 v1.6 catch non-root tcptraceroute
+# 2008/02/10 v1.7 make -C work when reverse lookup fails, courtesy of Fabrice Le Dorze <Fabrice.LeDorze@apx.fr>
+
+
+ver="v1.7"
+format="%Y%m%d%H%M%S"
+d="no"
+c="no"
+C="no"
+ttl=255
+seq=0
+q=1
+r=1
+w=3
+topts=""
+
+usage () {
+	name=`basename $0`
+	echo "tcpping $ver Richard van den Berg <richard@vdberg.org>"
+	echo
+	echo "Usage: $name [-d] [-c] [-C] [-w sec] [-q num] [-x count] ipaddress [port]"
+	echo
+	echo "        -d   print timestamp before every result"
+	echo "        -c   print a columned result line"
+	echo "        -C   print in the same format as fping's -C option"
+	echo "        -w   wait time in seconds (defaults to 3)"
+	echo "        -r   repeat every n seconds (defaults to 1)"
+	echo "        -x   repeat n times (defaults to unlimited)"
+	echo
+	echo "See also: man tcptraceroute"
+	echo
+}
+
+_checksite() {
+	ttr=`tcptraceroute -f ${ttl} -m ${ttl} -q ${q} -w ${w} $* 2>&1`
+	if echo "${ttr}" | egrep -i "(bad destination|got roo)" >/dev/null 2>&1; then
+		echo "${ttr}"
+		exit
+	fi
+}
+	
+_testsite() {
+	myseq="${1}"
+	shift
+	[ "${c}" = "yes" ] && nows=`date +${format}`
+	[ "${d}" = "yes" ] && nowd=`date`
+	ttr=`tcptraceroute -f ${ttl} -m ${ttl} -q ${q} -w ${w} $* 2>/dev/null`
+	host=`echo "${ttr}" | awk '{print $2 " " $3}'`
+	rtt=`echo "${ttr}" | sed 's/.*] //' | awk '{print $1}'`
+	not=`echo "${rtt}" | tr -d ".0123456789"`
+	[ "${d}" = "yes" ] && echo "$nowd"
+	if [ "${c}" = "yes" ]; then
+		if [ "x${rtt}" != "x" -a "x${not}" = "x" ]; then
+			echo "$myseq $nows $rtt $host"
+		else
+			echo "$myseq $nows $max $host"
+		fi
+	elif [ "${C}" = "yes" ]; then
+		if [ "$myseq" = "0" ]; then
+			echo -n "$1 :"
+		fi
+		if [ "x${rtt}" != "x" -a "x${not}" = "x" ]; then
+			echo -n " $rtt"
+		else
+			echo -n " -"
+		fi
+		if [ "$x" = "1" ]; then
+			echo
+		fi
+	else
+		echo "${ttr}" | sed -e "s/^.*\*.*$/seq $myseq: no response (timeout)/" -e "s/^$ttl /seq $myseq: tcp response from/"
+	fi
+#       echo "${ttr}"
+}
+
+while getopts dhq:w:cr:nNFSAEi:f:l:m:p:s:x:C opt ; do
+	case "$opt" in
+		d|c|C) eval $opt="yes" ;;
+		q|w|r|x) eval $opt="$OPTARG" ;;
+		n|N|F|S|A|E) topt="$topt -$opt" ;;
+		i|l|p|s) topt="$topt -$opt $OPTARG" ;;
+		f|m) ttl="$OPTARG" ;;
+		?) usage; exit ;;
+	esac
+done
+
+shift `expr $OPTIND - 1`
+
+if [ "x$1" = "x" ]; then
+	usage
+	exit
+fi
+
+max=`echo "${w} * 1000" | bc`
+
+if [ `date +%s` != "%s" ]; then
+	format="%s"
+fi
+
+_checksite ${topt} $*
+
+if [ "$x" = "" ]; then
+	while [ 1 ] ; do
+		_testsite ${seq} ${topt} $* &
+		pid=$!
+		if [ "${C}" = "yes" ]; then
+			wait $pid
+		fi
+		seq=`expr $seq + 1`
+		sleep ${r}
+	done
+else
+	while [ "$x" -gt 0 ] ; do
+		_testsite ${seq} ${topt} $* &
+		pid=$!
+		if [ "${C}" = "yes" ]; then
+			wait $pid
+		fi
+		seq=`expr $seq + 1`
+		x=`expr $x - 1`
+		if [ "$x" -gt 0 ]; then
+			sleep ${r}
+		fi
+	done
+fi
+
+exit