diff --git a/src/freedombone b/src/freedombone
index a17db378..82bcb08f 100755
--- a/src/freedombone
+++ b/src/freedombone
@@ -280,6 +280,55 @@ CHECK_MESSAGE="Check your internet connection, /etc/network/interfaces and /etc/
 # web site used to obtain the external IP address of the system
 GET_IP_ADDRESS_URL="checkip.two-dns.de"
 
+# other possible services to obtain the external IP address
+EXTERNAL_IP_SERVICES=( \
+  'http://checkip.two-dns.de' \
+  'http://ip.dnsexit.com' \
+  'http://ifconfig.me/ip' \
+  'http://ipecho.net/plain' \
+  'http://checkip.dyndns.org/plain' \
+  'http://ipogre.com/linux.php' \
+  'http://whatismyipaddress.com/' \
+  'http://ip.my-proxy.com/' \
+  'http://websiteipaddress.com/WhatIsMyIp' \
+  'http://getmyipaddress.org/' \
+  'http://www.my-ip-address.net/' \
+  'http://myexternalip.com/raw' \
+  'http://www.canyouseeme.org/' \
+  'http://www.trackip.net/' \
+  'http://icanhazip.com/' \
+  'http://www.iplocation.net/' \
+  'http://www.howtofindmyipaddress.com/' \
+  'http://www.ipchicken.com/' \
+  'http://whatsmyip.net/' \
+  'http://www.ip-adress.com/' \
+  'http://checkmyip.com/' \
+  'http://www.tracemyip.org/' \
+  'http://checkmyip.net/' \
+  'http://www.lawrencegoetz.com/programs/ipinfo/' \
+  'http://www.findmyip.co/' \
+  'http://ip-lookup.net/' \
+  'http://www.dslreports.com/whois' \
+  'http://www.mon-ip.com/en/my-ip/' \
+  'http://www.myip.ru' \
+  'http://ipgoat.com/' \
+  'http://www.myipnumber.com/my-ip-address.asp' \
+  'http://www.whatsmyipaddress.net/' \
+  'http://formyip.com/' \
+  'https://check.torproject.org/' \
+  'http://www.displaymyip.com/' \
+  'http://www.bobborst.com/tools/whatsmyip/' \
+  'http://www.geoiptool.com/' \
+  'https://www.whatsmydns.net/whats-my-ip-address.html' \
+  'https://www.privateinternetaccess.com/pages/whats-my-ip/' \
+  'http://checkip.dyndns.com/' \
+  'http://myexternalip.com/' \
+  'http://www.ip-adress.eu/' \
+  'http://www.infosniper.net/' \
+  'http://wtfismyip.com/' \
+  'http://ipinfo.io/' \
+  'http://httpbin.org/ip')
+
 # cjdns settings
 ENABLE_CJDNS="no"
 CJDNS_PRIVATE_KEY=