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DIY Server HACK - HOWTO fight/stop DoS(Denial of Service) Attacks using open source code (D)DoS-Deflate!

Posted in Blog, Cool, Web, Wordpress by max on the November 6th, 2007 at 5:12 am

Here’s HOW TO fight/stop DoS(Denial of Service) Attacks using open source code (D)DoS-Deflate!

Recently, Zedomax.com has been receiving DoS(DenialOfService) attacks from various different sources.

We first thought it was too much traffic but it turns out it was some type of DoS attack. How did we find that out?

Well, after we installed a free open-source (D)DoS-Deflate, a free script that installs easily on your linux server.

This thing basically tracks which IPs are sending DoS pings and block them out automatically.

Well, after we thought it was just too much traffic and uninstall it, the hackers came back.

I am some of you hackers are reading this.

Maybe if you can crack this DoS script, you might be able to DoS us again.

P.S. When I used to work at Comfile Technology in Korea, I accidently developed this Lantronix X-Port that could be hooked up to ANY DHCP network and permanently bring down the network. Well…it just happened by accident. Maybe I can sell it as a internet security test tool for web servers…

Here’s simple instructions to (D)DoS-Deflate and prevent AND stop DoS attacks!
(You need shell access, most likely you will only have this on a dedicated server and I know Dreamhost and some hosts let you access shell)

“My server went from 44.0 Load to less than 1.0 Load instantly in about 5 minutes since installation.” I know a lot of you probably fighting the same thing and manually controlling the firewall but this thing makes that automatic.

Installation

# wget http://www.inetbase.com/scripts/ddos/install.sh
# sh install.sh

Uninstalling

# wget http://www.inetbase.com/scripts/ddos/uninstall.ddos
# sh uninstall.ddos
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USB LED Man

Posted in Consumer, Cool, Gadgets, USB, Video by max on the August 15th, 2007 at 9:15 pm

USB LED Man

Click Here to View in Full Screen Mode

If you ever wanted to get serious with some LEDs, you can really play with this guy. He can mimic any songs, well, it’s not available yet… I bet Garrett from Comfile can hack one up real quick… He made that voice activated Christmas Tree, this doesn’t seem too different. It seems like the eyes and nose are random movements and the mouth simply syncs to the music depending on the frequency… Pretty simple actually…(Looks freakin’ nice on USB though…well…then again…Garrett probably just need to hook up his USB HID Portal…)

Enough ranting about some LED man we can’t buy yet, we will have to wait…

At least, it is BETTER than the aqua teen hunger force LED man… Cool… (or maybe those guys make new versions with this feature…this new LED man is way smarter for sure…)

SolidAlliance might be on to something with their USB Tengu, self talking USB gadget. At the size of a cigarette box this guy comes to life upon USB connection. The LEDs turn bright red into a friendly face, then reacts to music and sound - ideal for those looking for anonymity and in need of a front man (Jeffrey Skilling could have used this a couple years ago).
usb tengu

Not on sale yet - but will be in Japan mid August. Price tag - about $40USD. YouTube video below will make you laugh, worth the look - if you have IE6 click here.

via getusbINFO

P.S. Buy a mattress at our new online mattress store so you can finally say you got a good deal from a mattress with out negotiating…

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Original Apple II+ Sells for $1,414.87 on ebay

Posted in Consumer, Cool, Entertainment, Gadgets, Video by max on the December 25th, 2006 at 11:15 pm

With all the outrageous PS3s and Wiis being sold on ebay, here’s a little
apple II that sells at an outrageous price.

Talking about some Apple computers that can be programmed in BASIC,
check out Comfile CUBLOC embedded computers, which can run at 20Mhz,
run 320×240 LCDs, and at 30 times smaller size of an Apple computer.

Well, it’s not the best comparison, but we did not expect a stamp sized chips
with capability of Apple computers 20 years ago.

It’s amazing what technology can do over the years. We, at zedomax.com,
forecast a second Dot-Com boom coming soon, which should consist of
some nice web sites and also backed up by wide array of embedded devices.
Well, I do have my first computer, a 386SX 40Mhz IBM compatible around.
Will that sell as well too? Leave your thoughts at the comments.
I do miss the old days, when internet was still under government testing and
a 2400 bps modem would log you into your local BBS.

That was the real beginning of Zedomax. We sold some cable-descrambler
HOWTOs over the Prodigy network for 10 bucks and tried all kinds of pyramid
scams before giving up.

I always thought Prodigy would be the one to last. Well it turns out AOL got
bigger than imaginable. They must have gone on the internet wagon a little
earlier.

I remembed the first day I got a computer when I was 9 years old and played
the cool 3D tetris game. Strange that game is not easy to find these days.
Oh, I forgot to add that I did erase command.com the first day of my 386,
which taught me a valuable lesson about DOS. Denial of Service when you
mess with command.com… The next day I took it to the Taiwanese computer
sellers at their Silicon Valley office and they were able to reinstall DOS for me.

A reader pointed us to this interesting auction of an original Apple II+ that sold for $1,414.87 on eBay. For that price, you could get yourself a nice high-end laptop or a few PS3s. Auction page.

The Apple II was eventually superseded by the Apple II Plus, which included the Applesoft BASIC programming languages in ROM. This Microsoft-authored dialect of BASIC, which was previously available as an upgrade, supported floating-point arithmetic (though it ran at a noticeably slower speed than Steve Wozniak’s Integer BASIC) and became the standard BASIC dialect on the Apple II series

via http://zedomax.com/image/icon/techeblog.jpg

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Zedomax DIY125 - HOWTO make a Music Syncing Light Orb Alarm Clock!

http://zedomax.com/image/200612/lightorb-alarmclock.jpg

Here’s the last DIY for year 2006!

Okay, we have seen some really cool Light Orbs while trying to make this Music Syncing Light Orb Alarm Clock.
We started with Tod’s creation and soon realize that 1 LED will not be bright enough in slightest light conditions though his Light Orb is tight let us say.
So we checked out RGB lights at Hackedgadgets.com. Which is cool and uses 4 Red, 3 Green, and 3 Blue LEDs.
Well during our google search for Light Orb HOWTOs, we came to the Ambient Devices schematic and their technical notes. Well it says that with the right voltage, you don’t need to use resistors.

We wanted to create a Light Orb that would be a mix of Light Orb, some cheap
Piezo music, and an alarm clock. We figured these would do very good Christmas
presents for our friends and family.

For HOWTO, CLICK HERE.

For Pictures, CLICK HERE.

For printable wiki version, CLICK HERE.

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Touch control chip for your next “touch” buttons

Posted in Circuits, Microcontroller by max on the November 27th, 2006 at 2:17 am

http://zedomax.com/image/200611/touchchip.jpg

You can now easily make a touch application similar to the touch interface on the
LG Chocolate. Check out touch-sensor chip you can use for your next embedded
application or even maybe wii hacking or ps3 hacking…

QT113 family QTouchT ICs create sense fields through dielectric surfaces such as plastic or glass up to 100mm (4″) thick, and can even turn small objects into sensors. These sense fields can work easily through gloved hands.

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Touchless Interface

Posted in Business, Cool, Industrial, Microcontroller by max on the November 19th, 2006 at 5:13 pm

http://zedomax.com/image/200611/touchless.gif

HoloTouch has some cool futuristic touch interfaces that require no touch.
See their demos here.

Maybe we can come up with a touchless g-meter or something…
I wonder if they can send us some samples…

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BrainWave Generator for your ears

Posted in Audio, Consumer, Cool, Educational, Entertainment, Medical by max on the November 19th, 2006 at 4:57 pm
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Industrial Tools - Proximity Warning Device for heavy Industrial Vehicles

Posted in Auto, Business, Cool, Government, Industrial, Microcontroller, Travel by max on the October 23rd, 2006 at 10:25 am

http://zedomax.com/image/200610/zedomax_proximity_warning_s.gif

Here’s a cool proximity warning device (US Patent #6853307) for industrial heavy equipments made with CUBLOC CB220 and GHLCD graphic display from Comfile. If you need to a such device for satisfying OSHA requirements, this might be it.

The company’s primary products are high voltage proximity warning devices and line contact warning devices. Proximity warning devices have been used successfully for decades to prevent heavy equipment from coming into contact with high voltage lines. ASE has developed advanced patented technology to provide the most advanced proximity warning devices in the industry.

“When a vehicle strikes a high voltage line, death most often occurs when personnel come into contact with the energized vehicle while in contact with the ground below the vehicle. ASE has also developed a patented lne contact device to warn operators and other personnel that the heavy equipment has come into contact with a high voltage line based on the measurement of the electric field between the equipment and ground. NIOSH has also successfully tested the effectiveness of a line contact device based on the ASE patented product.”

via alliedsafetyeng

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DIY HOWTO - Wireless Color changing light project with PIC

Posted in Circuits, Cool, DoItYourself!, Microcontroller, Wireless by max on the October 18th, 2006 at 10:21 am

http://zedomax.com/image/200610/zedomax_color_changing_ligh.gif

Here’s a cool color changing DIY I found by google-ing…

Wow,” you say, “how can you expect to make something wireless and still have it cost less than fifty dollars?” Well I’m glad you asked. “But I didn’t ask,” you say, “I’m just reading.” Do you want to argue, or would you like to hear about my solution? That’s what I thought. For the job of fairly-reliable wireless communication, I turn to my old friends the TX433 and RX433 modules. These are complementary transmitter/receiver pairs that operate on the seldom-used 433.92 MHz frequency. Another strong plus is that the devices are very small. The transmitter (TX433) is about the size of my thumbnail (though to be fair, I have sexier-than-average thumbnails) and will fit inside a standard 9-pin D-Sub hood. As if that weren’t enough, the transmitter also has very loose power requirements (3 to 12 volts). The receiver is slightly larger and is quite finicky about its power (more on that later). Back in the day you could obtain them through TechAmerica, but now TechAmerica has turned into RadioShack.com, and along with RadioShack, their inventory has decreased to the point of phasing out these wonderful little modules. So doing a search on “RX433″ revealed to me the only other online supplier of these miracle devices, a company called QKits in Canada. They go for about $6 american each. I also found some on eBay at comparable prices (and they might be more reliable modules).

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