Category Archives: Networking


Proxify applications with torsocks

By | March 25, 2013

Many applications do not directly support the use of socks proxy. Torsocks enables such applications to use the tor socks proxy. Shell wrapper to simplify the use of the torsocks library to transparently allow an application to use a SOCKS proxy. Torsocks gets installed along with the tor package on ubuntu for example $ sudo… Read More »

Add wireless router to existing wired network or lan

By | February 14, 2013

Wired Network Lets say you have an existing wired network setup at your workstation or home somewhat like this Adsl Modem/Router ( => Switch => Multiple Pcs (, …) Now you want to add a wireless access point to this existing wired network so that you can connect to the internet wirelessly from your… Read More »

Tcpdump tutorial – Sniffing and analysing packets from the commandline

By | November 14, 2012

Tcpdump Tcpdump is a commandline network analyzer tool or more technically a packet sniffer. It can be thought of as the commandline version of wireshark (only to a certain extent, since wireshark is much more powerful and capable). As a commandline tool tcpdump is quite powerful for network analysis as filter expressions can be passed… Read More »

Setup internet connection sharing on ubuntu with Firestarter

By | October 23, 2011

Firestarter is an easy to install firewall application for Ubuntu which also has to the option to enable Internet Connection Sharing at the click of a mouse. Install firestarter $ sudo apt-get install firestarter Launch the application firestarter. The wizard will come up on the first run. Enable Internet Connection Sharing in the wizard, and… Read More »