3d animation, motion graphics and CGI for documentary films

Britney Simpson asked:


Animation and CGI in Documentary films

Things have come a long way since “Walking with Dinosaurs”. 3d animation, motion graphics, CGI and visual effects are now a regular part of many documentary films. As well as historical reconstructions and informational motion graphics, computer animation and CGI is now routinely used in almost any situation where shot footage isn’t available.

What’s more, costs have come down and quality of visual effects has gone up in recent years, so even a documentary film with a modest budget can now afford to use compelling and stylish computer graphic animations.

But as a documentary filmmaker, how do you go about adding visual effects and 3d animation to your productions?

Motion graphics and animation tips

Don’t be afraid to approach a video animation design or visual effects artist early on in your production. They’ll be able to let you know immediately what’s possible and how to get your animation done in the most effective way.
Give your animators as much detail as you’ve got -. 3d animation studios are used to doing research, but if you can give them access to your research, experts or helpful interviewees, you’ll get a much more unified view of the subject.

Use animation shots that tell a story: animated sequences and visual effects shots tend to be some of the more expensive shots in your production, so choose them well. Nobody likes re-using shots, but with an impressive 3d animation for example, it often works well. If you have several visual effects shots that work together to tell a story, using them separately earlier on in the documentary can increase their impact.

Types of visual effects and 3d animations in documentary films

Explanation graphics: Motion graphics are a great way to explain a complex idea or present information, if shot video footage can’t do it. These can be 2d or 3d animated graphic representations and often include text, but equally consider presenting them as cartoon animations or sequences with animated characters. Whatever the style of your piece, the animation can fit in with it.

Animation for colour shots: Colour shots are general cut-aways that can be used almost anywhere you need them. They’re purposely generic but relevant. A 20 second 3d animation in which the camera rushes through the bloodstream of a patient as blood cells fly past can be used pretty much anywhere in a medical documentary without looking out of place. A couple of colour animations of this kind can save your skin in the edit when you run end up with more narration than shot footage.

Visual effects reconstructions: animated reconstructions are often the “hero” shots of a documentary. If you don’t have the footage of the most important events or moments in your documentary film, an animated reconstruction is often the way to go.

Title animations: An animated title sequence is a good way to open your documentary, and it will set the tone for your entire documentary film, so it’s worth dedicating a little time to making sure that tone is spot on for the style and content of what comes after.

How to reduce your documentary film’s motion graphics costs

The quickest way to reduce cost is to talk to the 3d animator or visual effects studio about how the production can be simplified without affecting its overall look. For example, to animate a camera flying through a static model takes a lot less time (possibly weeks less) than animating every detail of the model itself.

What if I really can’t afford animation and visual effects?

Go graphical: Reconstructing the siege of Troy with every soldier animated in authentic detail is going to be a big job. But animating the strategic turning points of the siege replacing battalions with chess piece style graphics on a stylised representation of the battlefield is within the budget of most productions. Thinking of a stylised motion graphics look rather than a realistic 3d animated one will you’re your documentary film tonnes of cash. Going for still illustrations rather than motion graphics will save still more.



Workshop Scripts: Developing the Art of Public Speaking

RivkyShimon asked:


A discussion recently about conducting successful workshops led me to believe that very few people have the answers. It is ironic that the very people who are supposed to have all the answers, people conducting workshops, don’t really know how to capture and captivate an audience. It’s a shame that most people are being attracted to the more alluring and energetic voice, one that may not necessarily have the correct answer.

We’ve seen them on television and businesses hire them as motivational speakers, because that’s really all they do. They transfer their high energy to you and make you want to jump out of your seat and go get something done. But what it is that you want to do, you don’t even know yet. You don’t have the answer to that one. You’re just a ball of energy ready to explode and make things happen, but you don’t have a cause.

We’ve seen the other too. We’ve seen the guy who knows what you need to do and how to do it. He’s the hired training officer for your company who reads through all of the directives and puts them into a language that you and your fellow workers can understand. He’s the guy who can help you get further ahead in life and really succeed at what you do, but you fall asleep in his training sessions because he never learned how to deliver his information with as much as enthusiasm as the expert public speaker who comes at a high price.

Workshops don’t need to be dog and pony shows where you literally have to do a somersault to keep your audience interested in what you are saying. But, you do need to lighten up a bit and care about your delivery. It’s not difficult at all and you don’t need a few years in college or even a college course to improve your public speaking skills. All you need are a few tips to remember. I’ve written several other articles about conducting successful workshops. And I’ll continue into the future because I feel there is a real need here.

Let’s begin with the fact that most people don’t feel comfortable speaking to a group no matter how small it might be. This leads to a level of anxiety. It’s understandable so acknowledge that you are going to be nervous and then, work toward getting over it. Tip #1 then is to take as much thinking as you can out of conducting your workshop.

The more that is in place beforehand, the more you have rehearsed and prepared, the less you have to think while conducting your workshop. Have a list of key points that you want to deliver. Have them readily available while you are conducting your workshop, so that you can refer to them any time you need them. For each key point, know what you want to say about it. Go over those explanations several times until you almost know them like the back of your hand. Now, as you move through your workshop point by point, you only need to refer to your notes for the key points. But, you’ll be able to talk in an informal language that is more inviting to the listener.

Eliminate repetitious wording. Important concepts should be repeated purposefully. The rule of thumb is that anything important enough for an audience member to remember should be repeated three times. Three times and three times only. Make it a consistent practice throughout your workshop so that your audience can get into a rhythm with it. But, saying a certain word over and over out of nervousness can be eliminated easily by knowing exactly what you mean to say before you say it. Successful public speaking is the transfer of important information in deliberate terms. Deliberately say and deliberately mean what you say. It builds the audience’s confidence in you that you know what you’re talking about. You are the voice of authority!

Allow questions to drive your workshop. If any question asked by a member of your audience is covered later in your workshop, simply say so and let your audience know that you will cover that in a few short moments. But if it is time that you hit on that point being questioned, it is a good gauge for your audience’s interest. Keeping the workshop interactive keeps it alive and helps you stay on cue. Answer a question, explain it in deliberate terms, take your time and think through everything you mean to say. Learn the art of beginning, explaining and wrapping up a point patiently, but efficiently.

If you follow these points and others that I already have and will continue to write about, you will be able to conduct a great workshop. My art workshop students learning to become art workshop teachers of their own practice these and several other skills. I’m literally proud of my students when I see them using the skills I have taught them. But the more important thing is watching the attendants react. When you see them interested and you see them captivated throughout the entire workshop, that’s when your workshop gives life back to you!



Using Disc Image for Disc Replication

Isaac Cheung asked:


Remember the transporter of the StarTrek? Captain Kirk and his team could beam themselves to any place without the need of driving a spaceship. Although this process of dematerialization and rematerialization was a fictional concept, we find it very useful in transporting a disc; be the disc a CD or DVD.

Similar to the transporter of the StarTrek, our goal is to make an exact replica of the disc from point A to point B without the need of physically sending it. Disc image makes this possible. At point A one puts the disc into a disc drive, with the help of software the disc drive reads the content of the disc and the software packages the content with the instructions on how to re-construct the disc. The result of this process is a computer file called disc image which can be sent to point B via the Internet. At point B when the disc image is received and with the help of the same or compatible software, a disc can be created by the software following the instruction stored in the disc image.

In StarTrek they used the term “transporter accident” to describe the case when a person or object was not rematerialized correctly. In the case of disc imaging, let’s define transporter accident as the case when the reconstructed disc is not exactly the same as the source disc. It is the purpose of this article to explain how to use disc image correctly to avoid transporter accidents.

Disc image transporter accidents occur in three ways, i.e. during construction, during transmission and during reconstruction. There are ways to minimize the possibility of these accidents from happening.

Transporter accidents during construction

Although the process of making a disc image is simple, i.e. read the disc and then package the data in a standard format that can be understood by the re-construction software. In most case, though not necessary, the construction software will be the same as the re-construction software. For example, you can create a NERO image file using NERO, upload the file to an FTP site, and the file is then downloaded to create a physical disc using NERO again.

The chance of reading error can be minimized by using a good CD-ROM or DVD-ROM drive. If the source disc is not physically damaged, error correction from the operating system or CD burning software can make the reading pretty reliable. When you get the message saying “Image successfully created” you probably think nothing can go wrong. But wait! There is still one big problem. What if the CD/DVD drive cannot read certain information on the disc? For example, CD+Text and CD+G.

Without going into the detail data structure of a specific format, we just want to warn you that there is hidden information on many discs that will not be read either because the software ignores it or the disc drive cannot read it. To avoid the software ignore such information, make sure to select the necessary options so that whole disc is read. For example when you use NERO to copy an audio CD, make sure to check

1, Read sectors in raw mode -> Read all sub-channel data

2. Read indexes of audio data -> Read all sub-channel data

3. Read Media Catalog Number and ISRC (slow)

Fail to do so will result in a disc image that might not represent the original disc. But even this is done you have only solved half of the problem. If your disc drive is incapable of reading sub-channel data then all these efforts are useless. To assure your disc drive can read sub-channel data, use drive probing tool such as NERO InfoTool. The picture here shows the capability of a Pioneer DVR-112D.

From the picture you can see the drive is capable of reading –Text sub-channel data. If you use this drive to create a disc image, say a NERO image, the –Text sub-channel data will be embedded into the disc image file. But from the picture you can also see the drive is incapable of writing sub-channel data. It is obvious that sub-channel data will be lost if you use the just created image to reconstruct the disc.

Transporter accidents during transmission

Once you have created a disc image, let say 650MB for a fully-loaded audio CD or 4.7GB for a fully-loaded DVD-5, your first instinct is to send this disc image file to your recipient through the Internet. But how? Sending by email as an attachment? FTP to a server?

We can pretty much rule out the email as attachment option unless the image file is within a manageable order of magnitude. Sending a 10MB file through email might be filtered by a mail server, not to mention a 650MB file. So sending through email is a feasible but impractical option. FTP seems to be a good option but it is error prone. Why? Most FTP server might time you out when you try to upload a big file. It is very normal after uploading 600MB with 10MB more to go and you get the notorious “Connection closed by client” error. Unfortunately unlike downloading the broken transfers can be resumed, a failed uploading is dead, period. Even if the whole image file is successfully uploaded, there is still a pitfall. If the image file is uploaded using ASCII mode then the reconstruction will fail for sure. By default most FTP programs use ASCII mode for file extensions that are unknown to them. Common file extension such as .exe, .zip, .rar, and .dll are known to be binary and will be uploaded in binary mode. But file extensions such as .iso, .nrg, .dmg, and .toast maybe unknown to some FTP program and will be transmitted in ASCII mode while the data itself is binary. This unintended data translation contributes to most transporter accidents.

Transporter accidents during reconstruction

Assume the recipient gets the same disc image as the sender has sent, reconstruction should be a snap right? Unfortunately that’s far from the case. The problem is more complicated then the accidents during transmission which can be easily corrected with the suggestions given later.

The causes of not being able to re-construct the same original disc can be many. The problem is complicated by the matrix of the physical disc formats and the disc image formats. For the physical disc formats we have Audio CD, CD Extra, Mixed Mode, ISO 9660, Apple HFS, Apple HFS+, DVD-ROM, DVD-Video, HD-DVD, Blu-ray, etc. For the disc image formats we have ISO, NERO, UDF, DMG, TOAST, BIN/CUE, DDP, etc.

Possible problems are:

1. The disc image file does not include all the information.

This can be hardware problem as mentioned above in the “Transporter accident during construction,” or software problem because such information is ignored.

2. The re-construction software is incapable of deciphering all the information

3. The writer is incapable of writing all the information, as shown in the previous picture that sub-channel data cannot be written for Pioneer DVR-112D.

Suggested Solutions

The only way to avoid transporter accidents during construction and re-construction is to get the right combination of hardware and software. Your disc drive has to be able to read and write sub-channcl data. Otherwise there is very high chance the disc created from the disc image will not be same as the master. Not all software is capable of reading and writing sub-channel data either. Make sure to check the datasheet when you purchase your disc burning software.

A tested and verified combination is to use Plextor 712SA as the disc drive, Gear Mastering Pro as the construction and re-construction software, and DDP file format as the disc image. In this combination, you should have the peace of mind that the destination disc will be the same as the original disc.

Solutions to Transporter accidents during transmission

We have derived a practical solution for sending a disc image. The steps are very simple but they eliminate the transporter accidents gracefully. In one statement: “Zip and Split .”

By zipping the file we assure the FTP program will upload the disc image in binary mode. By splitting the file we assure a more reliable upload. For example you might have a disc image of 600MB. By zipping it the final file size might be shrunk to 400MB. If you split the file into 10 x 40MB files and when there is an uploading error, you just need to re-upload the one or two failed file. Uploading a 40MB file is much more reliable then uploading a 400MB file.

Programs such as Winzip and WinRar allow the compressing and splitting of files. By putting all the split files into a single directory, the recipient can re-build the original image file by double-clicking on anyone of the .zip or .rar file.

Conclusions

Please don’t be deterred from using disc image as disc master for replication.

Although transporter accidents in StarTrek could be fatal and a person could die from it, transporter accident for disc imaging is normally more tolerant. You don’t even know it’s there in most cases because the accident usually would not affect the main function of the disc, except in the case of CD+G. NERO image for DVD-Video is known for its alternation of the VOB file data structure. But this seldom affects the quality and functionality of the disc created. If you are sending a disc image for CD-ROM or DVD-ROM you can pretty much forget about transporter accident because the chance for discrepancy is statistically small to be neglected. You should care about transporter accident for Audio CD only when you have ISRC codes and CD-Text.

Since “zip and split” eliminates transportation accident during transmission, it is very safe to use disc image as master for your disc replication project.



Documentary Films

Joseph Vautour asked:


Documentary films, as the name implies, are films produced with the intention of being an audio-visual documentation of a concept or event.

A documentary film is intended to be much more like a piece of journalism than a piece of entertainment or expressive art.

There is typically a voice-over narrative going on throughout a documentary film with the narrator describing what’s being seen in a businesslike way without any dramatic reading.

Documentary films are often made to more deeply explore a current event or history subject that has remained shrouded in mystery, been controversial, or in the opinion of the film maker misunderstood or underexposed.

Documentaries have also been made simply to record an event of personal interest to the film maker.

Biographies, sports and music events, a compilation film of collected footage from government sources, and so on and so forth all may be subjects for a documentary film.

Documentary film makers are typically the writers, directors, and producers. Often they may act as cameramen as well.

Documentary films are most often made for TV but in more recent times there have been more of them made as direct-to-video, made-for-video, straight-to-video, or straight-to-DVD formats in which they were never first played on TV or in the theaters but were simply distributed for home-viewing.

Some major motion pictures when released in DVD format also come with bonus DVDs that act as documentary films of the making of the movie.

Documentaries also often feature re-enactments of events that could not or were not originally documented on film such as historical events from the year 1776.

There have also been “mockumentaries” made, in which a piece of comedy fiction is made but is done up in the same dry and straightforward format of an actual documentary. “This Is Spinal Tap” and “The Gods Must Be Crazy” are two of the most successful mockumentaries ever made.

To put together a quality documentary film, the filmmaker first begins by doing research, even if he knows the subject matter well already.

The Main point of a documentary film is to relay facts and information from all angles.

Quality documentaries usually include interviews at some point. This is a technique for lending authoritativeness to the film’s producer by getting people to speak from first-hand knowledge about the subject matter or an aspect of it.

A documentary film also has to be well organized in an interesting and logical format.

Unlike with many fictional movie stories, a documentary should never deliberately confuse, mislead, or leave something mysterious.

Multiple perspectives or opinions can be highly effective at giving a documentary film depth.



FAT32 File Recovery

Files Recovery asked:


Recover your deleted FAT partition files folders from logically crashed USB hard disk drive

FAT Partition data recovery software recovers documents files and all deleted audio video file format like avi, mpeg, mp3, mp4, wmv, wma, tiff, and riff.

Tuesday September 29, 2009

FAT partition system data recovery application restores all accidently formatted audio, video files folder. Deleted data recovery tool unerase erased various files format like mp3 MP4 audio song, avi, wmv, dat video songs, pictures, photo, images and all previously existing data on your laptop USB hard disk. Windows FAT partition files retrieval program restores files even data has removed due to power surge, deleted using shift + Del key, or other system generated errors.

Our software has built with special features:

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For more details you can visit the following URL:

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Fast and Free Online Tax Filing

Free Tax Filing asked:


The process of  Free Tax Filing Online is simple and trouble free. Our online application is simple and fast. Free Tax Filing process Provide Guarantee of 100% accuracy. Free federal tax return and E-filling services provided by Free Tax Filing. Free tax filing is one of the fastest and easy ways to get your income tax return filed. Free Tax Filing provides full detailed information of Tax Filing, IRS Tax Filing, Free Tax Filing, Free State Tax Filing and more. 70% tax filers are eligible to use the free filing programs offered within the free tax filing. Free tax filing offers online IRS Tax Filing with no any upfront cost. After tax filing you will receive your conformation of tax return by IRS.

Free Tax Filing Program is Specially Designed for lower income tax payers. It is also known as Free File Alliance. There are mainly three basic criteria required for free electronic Tax Filing in USA.

(1)Adjusted gross income of 2008 :- (AGI) must be less then $28,000.and if your adjusted gross income is more then $28,000 then you may not applicable or filing tax free.

(2)Any Military, Reservist or National Guard member whose adjusted gross income for 2008 is less then $54,000.that peoples are easily done the free tax filing.

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In duration of 2007 tax filing season 97 million taxpayers will be eligible for these free tax services. There are one of the best benefits of using free tax filing is fast, easy and safe and more like.

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Star Trek Movie Download and Review

kelly chaney asked:


The greatest adventure of all time begins with Star Trek, the incredible story of a young crew’s maiden voyage onboard the most advanced starship ever created: the U.S.S. Enterprise. On a journey… The greatest adventure of all time begins with Star Trek, the incredible story of a young crew’s maiden voyage onboard the most advanced starship ever created: the U.S.S. Enterprise. On a journey filled with action, comedy and cosmic peril, the new recruits must find a way to stop an evil being whose mission of vengeance threatens all of mankind.

The fate of the galaxy rests in the hands of bitter rivals. One, James T. Kirk (Chris Pine), is a delinquent, thrill-seeking Iowa farm boy. The other, Spock (Zachary Quinto), was raised in a logic-based society that rejects all emotion. As fiery instinct clashes with calm reason, their unlikely but powerful partnership is the only thing capable of leading their crew through unimaginable danger, boldly going where no one has gone before! –© Paramount

Star Trek has always been about hope, understanding things that are different. With all the things happening in the world today..we all could learn a little from the messages of Star Trek.

Starring: Chris Pine, Zachary Quinto, Karl Urban, Simon Pegg, Eric Bana, Anton Yelchin, Zoe Saldana, John Cho, Leonard Nimoy, Bruce Greenwood, Ben Cross, Winona Ryder

Director: J.J. Abrams

Screenwriter: Alex Kurtzman, Roberto Orci

Producer: J.J. Abrams, Damon Lindelof

Composer: Michael Giacchino

Studio: Paramount Pictures

Rated: PG-13

Synopsis:  Official Website:  StarTrekmovie.com | NCC-1701.com | MySpace.com/StarTrek

Review: 7.5/10 rating | 9/10 rating

Genre: Science-Fiction/Fantasy

Theatrical Release:May 7, 2009 Wide

Download and Watch this Movie Online



What Can Steel Workshops Be Used For?

Amy Nut asked:


If you enjoy making things, you are most likely the prime candidate for a steel workshop. Steel workshops are steel buildings that you can use as your own personal space. It is your creative space. It is your space to turn your music as loud as you want, pound with a hammer as loud as you want, and sing at the top of your lungs. You don’t have to worry about disturbing anyone. Most of all, you have privacy to let your creative juices flow.

Some may associate steel workshops with carpentry work. Usually when someone is in their workshop they are making a rocking chair, a table, or a dog house. That isn’t always the case, though. Many people use steel workshops for many different things. Most of all, they use them to enjoy projects that they want to complete.

Uses for steel workshops

Steel workshops are great for woodworking, which is what someone would expect the workshop to be used for. Someone who builds things always has a workshop to complete their projects. However, there are other uses. Those other uses include:

- As a metal workshop - If someone is going to work with wood, it only makes sense that steel workshops would be used for metal working. This keeps everything in one place so that metal scraps are not in the way of children or animals.

- As a car repair shop - This is great for the auto mechanic wishing to bring their business home. They can set up a workshop right next to their home and literally work from home. Steel workshops also make a great addition to an existing workshop, making these buildings great for expanding businesses.

- To create artwork - Artists need private places to express themselves. Artwork needs a place to be displayed, so this can keep a lot of clutter out of the house. No one can tell an artist what to do with their workshop. Artists can create stained glass, sculptures, and so many other art forms.

- To use as an office - Those who work at home may not have room within their home or they may not wish to work inside the home. Steel workshops can very easily be turned into an office. This is a great way to keep work out of the house. It is almost like going to work each day and then coming back home to the family.

As you can see, the possibilities are endless when it comes to steel workshops. You can be creative in how you utilize one. You don’t have to use any of the common uses above. Some people simply use them as a quiet place to do other hobbies. Photographers are a great example because they can convert steel workshops into dark rooms.

Durable and reliable

So why use steel workshops for your hobbies or work? Use them because they are durable and convenient. You don’t have to worry about the elements damaging what is inside. You don’t have to worry about the wind compromising the structure. You don’t even have to worry about a lot of noise pollution. At one time, barns and wooden buildings were used as workshops. They would develop leaky roofs and would become damaged during storms. That is not the case anymore. You can continue working if a storm moves through. You also don’t have to worry about someone breaking in when you leave it. You can lock it up and even install an alarm system if you wish. Look at it as your little home away from your house. It is your place to feel comfortable and be productive.



How To Be A Hacker

Krisditya asked:


Expertise with the hacker can see & fix software on the computer; usually then publish openly on the Internet for the system to be better. Sialnya, take a few evil men use the information to crime - they are usually called cracker. Basically the hacker & cracker does not vary with the art world, here we are talking art Internet security network.

I hope the science of network security in this paper is used for things that good - not the Hacker cracker. Do not until you hit karma for using science to damage property of others. Moreover, the current needs of hacker growing in Indonesia and many more who want to dotcommers IPO shares in the various exchanges. Name good value & a dotcom can not fall into even if valuable in the dotcom collapse. In this case, the hacker can be expected in the security consultant for the dotcommers it - because the police HR & Indonesian security apparatus is very sad & very weak in the field of Information Technology & Internet. What could make cybersquad, cyberpatrol private budayakan perhaps necessary for survival in dotcommers Indonesia on the Internet.

Various security techniques in the Internet network can be obtained easily on the Internet, among others, in http://www.sans.org, http://www.rootshell.com, http://www.linuxfirewall.org/, http:// www.linuxdoc.org, http://www.cerias.purdue.edu/coast/firewalls/, http://www.redhat.com/mirrors/LDP/HOWTO/. Some of the techniques in the form of books that the number of its several hundred pages that can be taken for free (free). Some Frequently Asked Questions (FAQ) about the security of the network can be obtained in http://www.iss.net/vd/mail.html, http://www.v-one.com/documents/fw-faq.htm. And for the experimenter some script / program that is so can be obtained, among others, in http://bastille-linux.sourceforge.net/, http://www.redhat.com/support/docs/tips/firewall/firewallservice.html .

For readers who want to gain knowledge about the network can be downloaded for free from http://pandu.dhs.org, http://www.bogor.net/idkf/, http://louis.idaman.com/idkf . Some books that shaped softcopy can be free to take on the capture of http://pandu.dhs.org/Buku-Online/. We must be especially grateful to the team by I Made Wiryana for this. At this time, I do not know the place of a discussion on the techniques of hacking this - but it may be in part discussed in the mailing list information such as the kursus-linux@yahoogroups.com & linux-admin@linux.or.id operasikan by the Linux User Group Indonesia (KPLI) http://www.kpli.or.id.

The simplest way to see the weakness of the system is to explore how information from various vendors, for example in # 3b http://www.sans.org/newlook/publications/roadmap.htm about the weakness of the system that they own. In addition, monitoring the various mailing lists on the Internet related to network security as in the list

Described by Front-line Information Security Team, “Techniques Adopted By ‘System Crackers’ When Attempting To Break Into Corporate or Sensitive Private Networks,” fist@ns2.co.uk http://www.ns2.co.uk. A cracker usually men aged 16-25 years. Based on the statistics of Internet users in Indonesia, then in fact the majority of Internet users in Indonesia are children at a young age also. Indeed, this age is the age that is the ideal draw in the new science of science, including the Internet, be pitied if we are not successful menginternetkan to 25,000 Indonesian schools s / d in 2002 - because the object of a future of Indonesia is in the hands of young children we.

Well, the young are generally cracker cracking do to improve / use of resources in the network for its own sake. Generally, the cracker is opportunis. See the weaknesses with the system program mejalankan scanner. After obtaining access to root, will install the cracker back door (backdoor) and close all existing general weakness.

As we know, most companies / dotcommers will use the Internet to (1) they are hosting a web server, (2) e-mail communication and (3) provides access to web / internet to its employees. The separation of Internet and Intranet networks generally done by using the techniques / software firewall and proxy server. See the condition of the use of the above, weaknesses in the system generally can penetrate through, for example with external Mailserver / used outside for easy access to the mail out of the company. In addition, by using the agressive-SNMP scanner & programs that force the SNMP community string can change the router into a bridge (bridge), which can then be used for the stepping stone for entry into the company’s internal network (Intranet).

Cracker protected so that during the attack, technique cloacking (masquerade) is done with the jump from the previous engine was compromised (ditaklukan) program through telnet or RSH. In the intermediary machine that uses Windows attack can be done with the jump from the Wingate. In addition, the jump can be done through the proxy device configuration is less good.

After a successful jump and enter the other systems, cracker like to probing of the network and collect the information necessary. This is done in different ways, for example, (1) using the nslookup command to run the ‘ls’, (2) view HTML files on your webserver to identify the other machine, (3) to see various documents on the FTP server, (4) connecting the self to mail server and use the command ‘expn’, and (5) mem-finger user machines in the other external.

The next step, cracker will identify the network component that is trusted by the system only. Network components are the server administrator and machines that are usually in the most secure in the network. Start with a check & export NFS access to a variety of critical directory such as / usr / bin, / etc and / home. Exploit weaknesses engine through the Common Gateway Interface (CGI), with access to the file / etc / hosts.allow.

Next cracker network components need to identify the weak and the taklukan. Cracker can use the program in Linux like ADMhack, mscan, nmap and many other small scanner. Programs such as’ ps’ & ‘netstat’ on a trojan (remember the story of horse TROYA? Classic story in ancient greece) to hide the process of scanning. For the cracker can simply use the advanced aggressive scanning for SNMP-men-scan equipment with SNMP.

After a successful cracker identify network components that can be weak and in taklukan, the cracker will run the program to the daemon program menaklukan weak in the server. The program is a daemon program on the server is usually running behind the screen (as a daemon / Satan). The success of this menaklukan daemon program will enable a cracker to gain access as’ root ‘(administrator in the server).

To remove the impression, a cracker is usually cleaning operation ‘clean-up’ operation with a variety of ways to clean the log file. And add the program to enter from the back door ‘backdooring’. Changing the file. Rhosts in / usr / bin for easy access to the engine through the RSH taklukan & csh.

Then a cracker can use a machine that is already ditaklukan for their own interests, for example, take the sensitive information that should not dibacanya; mengcracking machine from another machine with a jump in taklukan; install a sniffer to see / record the various traffic / communication through; can even turn off the system / how to run the network with the command ‘rm-rf / &’. The latter will be very fatal consequences because the system will be destroyed at all, especially if all the software on the hard disk letakan. The process of re-install the entire system must do, it will spin if this is done on machines that run mission critical.

Therefore, all machines & routers running mission critical should always check the security patch by & in the new software. Backup becomes especially important once the machines that run mission critical terselamatkan from the cracker ulah men-disable system with ‘rm-rf / &’.

For us the day-to-day romp in the Internet generally, there would be very appreciative of the existence of the hacker (not cracker). Because thanks to the hackers, and there is the Internet we can now enjoy, such as this, even continue to refine the system to become better again. Various weaknesses in the system because the correct accomplishment colleagues hackers often do the repair page. voluntarily for hobbies. Moreover, often results in its hacking it for free on the Internet for the Internet community. A value & cultural gotong royong glorious thus grow in the virtual world of the Internet generally seemed futuristic and far from the social sense.

Development of the hobbiest hackers became important to the sustainability / survival vehicle on the Internet dotcommers Indonesia. As one of fact, in the near future Allah around mid-April 2001 will be conducted in hacking competition in the Internet to break a server that has been specified in advance. Hacking competition in motori by young people in the Linux User Group Indonesia (KPLI) of Semarang digerakan by children as young Kresno Aji (masaji@telkom.net), Agus Hartanto (hartx@writeme.com) & Lekso Budi Handoko (handoko @ riset.dinus.ac.id). As children usually other young, they generally have capital insufficient - support & sponsor of course very useful and will be expected by colleagues this young.

Hopefully all this will add to the spirit of readers, especially young readers, to move in the world of hackers mengasyikan and challenging. If the word Captain Jean Luc Picard in Movies Startrek Next Generation, “To boldly go where no one has gone before.”



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