iptables in android

Question

Are IPtables inbuilt in android kernel? If they are, how to use them in our android application?

Answer 1

This is a 5 year old solution (root required):

• install the APK of Android WiFi Tether from http://code.google.com/p/android-wifi-tether/

• run a terminal:

  $ su -
  # mount -o remount,rw /system
  # cp /data/data/android.tether/bin/iptables /system/bin/
  

But as Google Code became read-only will continue to work as normal until "at least January 2016", it means next month this answer could be useless.