diff --git a/debian/debian-essentials.sh b/debian/debian-essentials.sh
index 7f18601..8bb02a5 100755
--- a/debian/debian-essentials.sh
+++ b/debian/debian-essentials.sh
@@ -74,6 +74,16 @@ if [[ ! -f /etc/sudoers.d/akanealw ]]
 fi
 usermod -a -G sudo akanealw
 
+# disable ipv6
+isInFile=$(cat /etc/sysctl.conf | grep -c "net.ipv6.conf.all.disable_ipv6 = 1")
+if [ $isInFile -eq 0 ]
+    then
+        echo "" >> /etc/sysctl.conf
+        echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
+        echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf
+    else
+        echo "ipv6 already disabled"
+fi
 
 # enable ping for all users
 setcap 'cap_net_admin,cap_net_raw+ep' $(which ping)
diff --git a/ubuntu/ubuntu-essentials.sh b/ubuntu/ubuntu-essentials.sh
index 1177e51..60f2b72 100755
--- a/ubuntu/ubuntu-essentials.sh
+++ b/ubuntu/ubuntu-essentials.sh
@@ -40,6 +40,17 @@ if [[ ! -f /etc/sudoers.d/akanealw ]] ; then
 fi
 usermod -a -G sudo akanealw
 
+# disable ipv6
+isInFile=$(cat /etc/sysctl.conf | grep -c "net.ipv6.conf.all.disable_ipv6 = 1")
+if [ $isInFile -eq 0 ]
+    then
+        echo "" >> /etc/sysctl.conf
+        echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
+        echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf
+    else
+        echo "ipv6 already disabled"
+fi
+
 # enable ping for all users
 setcap 'cap_net_admin,cap_net_raw+ep' $(which ping)