Manu Garg

Monitoring software to detect failures before your customers do.

A Chrome extension that makes the web easier and more powerful. Ever needed to note down something about a webpage e.g. login id, password/password hints, frequent flyer number, store card etc. Something that you want to remember when you visit that page again. Add page notes to chrome and remember nothing, not even where and how to look for the information. Page notes does all the remembering for you.

pacparser is a C and python library to parse proxy auto-config (PAC) files. It comes with pactester, a tool to test PAC files.

Perl-based tool to test PAC files. (Not maintained anymore. Replaced by pactester that comes with pacparser.)

One of my earliest open source projects: a simple GUI based mailer. Not maintained anymore and most likely looks ugly now.

Starting with version 2.5, linux kernel introduced a new system call entry mechanism on Pentium II+ processors. Due to performance issues on Pentium IV processors with existing software interrupt method, an alternative system call entry mechanism was implemented using SYSENTER/SYSEXIT instructions available on Pentium II+ processors. This article explores this new mechanism.

ELF auxiliary vectors are a mechanism to transfer certain kernel level information to the user processes. This article discusses these mysterious carriers of information.

How to employ ARP spoofing to sniff in a switched network. A presentation.

A cheap and easy backup setup for Windows machines.

This article shows how firewalls can be defeated through some simple techniques.

One of my earliest articles. Explains sockets and gives a mental model to understand what they really represent.

What happens when a C function is executed. Explains the use of call stack among other things.