Popular Posts
Enable SSL connection for Jsoup import org.jsoup.Connection; import org.jsoup.Jsoup; import javax.net.ssl.*; import java.io.IOException; import java.security.KeyManagement... Join related table and count rows or sum sql server 2005 count rows: SELECT * FROM Table1 LEFT JOIN     (SELECT Level1ID, COUNT(Level2ID) AS Total FROM Table2 GROUP BY Level1ID) AS... Append soap header into axis When axis generate classese of web service, it won't include the request of soap header. Here is a way to append soap header manually i...
Stats
Build an OpenVPN server on android device

Preparation


  1. An android device, in this case, Sony xperia Z is used
  2. Root permission required
  3. Linux Deploy for deploy image via chroot/proot
  4. OpenVPN


Step

1. Root android device for superuser permission
2. Install Linux Deploy from play store or custom apk.
3. Install linux
  • Click download icon to select which image to deploy

  • Select which distribution and suite to use
  • Set user name & password
  • Allow init system
  • Enable SSH server

  • Deploy distribution

  • After installation completed, start linux

4. Connect to android via SSH
5. Install OpenVPN
  • Install required packages
  • Create certification folder and edit vars configuration
  • Edit vars as blow
  • Build ca, server and client certification

  • Copy required certification to the path of openvpn
  • Clone configuration file from sample config
  • Edit server.conf
  • Edit server.conf as blow, modify what your need
  • Modify networking config sysctl.conf
  • Modify content to allow transfer traffic from vpn
  • Make changes work
  • Edit firewall rules
  • Add following content to allow route from vpn subnet to wireless
  • Edit firewall configuration
  • Allow forward policy
  • Add firewall rule for vpn and ssh
  • Make changes work. (In this case, there was some error but I ignore that)
  • Start openvpn
  • Validate result

6. Use vpn client to connect android device