Hide OpenVPN traffic using Obfsproxy on Ubuntu16.04

References https://www.comparitech.com/blog/vpn-privacy/hide-openvpn-traffic-obfsproxy-on-windows-and-linux-ec2/ https://community.openvpn.net/openvpn/wiki/TrafficObfuscation https://sourceforge.net/p/openvpn/mailman/message/28851866/ https://dlshad.net/bypassing-censorship-by-using-obfsproxy-and-openvpn-ssh-tunnel/

Read More

How To List and Delete Iptables Firewall Rules on Ubuntu 16.04

List Rules by Specification

List Rules as Tables

Delete Rule by Specification

Delete Rule by Chain and Number

Flush All Rules, Delete All Chains, and Accept All Note: This will effectively disable your firewall. You should only follow this section if you want to start …

Read More

OpenVPN software repository for Ubuntu 16.04

References https://community.openvpn.net/openvpn/wiki/OpenvpnSoftwareRepos

Read More

Disable IPv6 on Ubuntu 16.04

References https://www.linuxbabe.com/ubuntu/disable-ipv6-on-ubuntu https://askubuntu.com/questions/440649/how-to-disable-ipv6-in-ubuntu-14-04 https://support.purevpn.com/how-to-disable-ipv6-linuxubuntu

Read More

Android Facebook SDK get Email, Date of Birth and gender of User

References https://developers.facebook.com/docs/android/graph https://stackoverflow.com/questions/29295987/android-facebook-4-0-sdk-how-to-get-email-date-of-birth-and-gender-of-user

Read More

Set up OpenConnect VPN Server (ocserv) on Ubuntu 16.04/17.10 with Let’s Encrypt

Installing OpenConnect VPN Server on Ubuntu 16.04/17.10

Installing Let’s Encrypt Client (Certbot) on Ubuntu 16.04/17.10 Server

Obtaining a TLS Certificate from Let’s Encrypt

Editing OpenConnect VPN Server Configuration File

Then comment out all the route directives (add # symbol at the beginning of the following …

Read More

Boost Ubuntu 16.04/17.10 Network Performance by Enabling TCP BBR

Install Linux Kernel 4.9 or Above TCP BBR is supported by Linux since kernel version 4.9. Use the following command to check your Linux kernel version.

Simply install the Hardware Enablement Stack (HWE), which provides newer kernel for Ubuntu LTS releases

References https://www.linuxbabe.com/ubuntu/enable-google-tcp-bbr-ubuntu

Read More