TCP flags: Hackers Playground and Functions

TCP is a very important protocol in the Internet. More than half of the traffic in Internet uses TCP. When it comes to reliable communications, TCP plays a major role, let it be logging into Facebook  or opening a website like Wikipedia.com the underlying protocol which takes care of these reliable connections is TCP. TCP’s dominance over internet has its advantages and disadvantages from security point of view. The architecture of TCP/IP protocol suit doesn’t have any security features in built, what it has are algorithms for protocol timers, error correction, flow control, buffering, but there is nothing in code for its security, as Internet evolved the techniques to use it in unethical ways also evolved.

Finally Tattooed!

I finally got a tattoo! 

I had this dream since from my 18's, but I was pulled back by lot of stuff like family, friends, college environment and bla bla. I wasn't that free to take decisions when I was in college, like any other teen.

What is an Intrusion Detection System?

Definition from Wikipedia:

An intrusion detection system (IDS) is a device or software application that monitors network and/or system activities for malicious activities or policy violations and produces reports to a Management Station.

My own words:

Basically an IDS is a dedicated box tapped into a computer network which sniffs the traffic (raw packets) to check for anomalies/intrusions/virus/attacks.