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DIY ¼­¹ö Àü¼¼ ¸¶Â÷ - ¿ÀÇ ¼Ò½º ºÎÈ£ (D)¸¦ »ç¿ëÇÏ¿© HOWTO ÀüÅõ ¶Ç´Â Á¤Áö DoS (¼­ºñ½º °ÅºÎ) °ø°ÝÀº DoS °ø±â¸¦ »«´Ù!

¾ÈÀ¸·Î ¹èÄ¡ÇÏ´Â Blog, Â÷°¡¿î, À¥, Wordpress 2007³â11¿ù 6ÀÏ 5:12 AM¿¡ ¿¡ ÃÖ´ë¿¡ ÀÇÇÏ¿©

¿©±â¿¡¼­ ½Î¿ì´Â ¹æ¹ý ÀÌ´Ù ¶Ç´Â DoS (¼­ºñ½º °ÅºÎ)¸¦ °ø°ÝÀº ¿ÀÇ ¼Ò½º ºÎÈ£ (D)¸¦ »ç¿ëÇÏ¿© ¸ØÃß±â À§ÇÏ¿© DoS °ø±â¸¦ »«´Ù!

ÃÖ±Ù¿¡, Zedomax.com´Â ¹Þ°í ÀÖ´Ù DoS¸¦ (DenialOfService) °¢Á¾ ´Ù¸¥ ±Ù¿ø¿¡¼­ °ø°Ý.

¿ì¸®´Â óÀ½À¸·Î ³Ê¹« ¸¹Àº ¼ÒÅë·®À̾ú´Ù´Â °ÍÀ» ±×·¯³ª ±×°ÍÀ»À̾ú´Ù´Â °ÍÀ» ¾î¶² Á¾·ùÀÇ ²ö¤¤´Ù´Â °ÍÀ» »ý°¢Çß´Ù DoS °ø°Ý. ¿ì¸®´Â ¾î¶»°Ô Àú°ÍÀ» ¾Ë¾Æ³Â´Â°¡?

¿ì¸®°¡ a¸¦ ¼³Ä¡ÇÑ ÈÄ¿¡, Àß ÀÚÀ¯·Î¿î ¿­ ±Ù¿ø (D)´Â DoS °ø±â¸¦ »«´Ù, a ´ç½ÅÀÇ ¸®´ª½º ¼­¹ö¿¡ ½±°Ô ¼³Ä¡ÇÏ´Â ¿øº»À» ÇØ¹æÇϽʽÿÀ.

ÀÌ °ÍÀº ±âº»ÀûÀ¸·Î ¾î´À IPs°¡ DoS ÇÎÀ» º¸³»°í ±×¸®°í ÀÚµ¿À¸·Î ¹ÛÀ¸·Î ¸·´ÂÁö ÃßÀûÇϴ´Ù.

¿ì¸®°¡ »ý°¢ÇÑ ÈÄ¿¡ Àß, ±×°Í¿¡ ÀÇÇÏ¿© Á¤´çÇÏ ³Ê¹« ¸¹Àº ¼ÒÅë·® ±×°ÍÀÌ, ÇØÄ¿ µ¹¾Æ¿Ô´Ù ¼³Ä¡¸¦ ÇØÁ¦ÇÑ´Ù.

³ª´Â ³ÊÈñ Áß ¸îÀÌ´Ù ÇØÄ¿´Â À̰ÍÀ» Àаí ÀÖ´Ù.

´ç½ÅÀÌ À̰ÍÀ» ºÎ¼ú ¼ö ÀÖ´Â °æ¿ì¿¡ ¾î¼¸é DoS ¿øº», ´ç½ÅÀº DoS¿¡ ´Ù½Ã ´É·Â ÀÖÀ» °ÍÀÌ´Ù Áöµµ ¸ð¸£´Ù ÀúÈñ.

P.S. ³ª°¡ Çѱ¹¿¡ ÀÖ´Â Comfile ±â¼ú¿¡ ÀÏÇß¾ú´Ù ¶§, ³ª´Â ¿ì¿¬ÇÏ°Ô ¾î¶² DHCP ³×Æ®¿öÅ©À̶ó°í ¿¬°áµÇ°í ¿µ¿øÇÏ°Ô ³×Æ®¿öÅ©¸¦ ²ø¾î³»¸± ¼ö ÀÖ´ø Lantronix ÀÌ X Ç×±¸¸¦ °³¹ßÇß´Ù. ¿ì¹°¡¦ ±×°ÍÀº »ç°í¿¡ ÀÇÇÏ¿© Áö±Ý ¸· ÀϾ´Ù. 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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7 Comments »

Comment by BONTB
2007-11-06 08:04:40

VERY nice resource !! Love it indeed !!!!

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Comment by Studio Equipment Subscribed to comments via email
2007-11-07 05:38:52

This is a great blog. Thanks. Yes, I hope some hackers are reading it too and squirming.

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Comment by girrrrrrr2 Subscribed to comments via email
2007-11-07 14:40:19

wow¡¦ i will reccomend this for the schools¡¦ and max¡¦ can i get a copy of this Lantronix X-Port¡¦ just for ¡°research¡±¡¦ that would be awesome to make it not so perm¡¦.

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Comment by max
2007-11-07 15:15:20

Hmmm¡¦ let me see if I can dig up the source¡¦ You¡¯d need Lantronix Xport development kit though¡¦

Yeah, think about all the college kids bringing down internet networks everywhere¡¦ this could be worth millions!
Too bad I am an ethical hacker¡¦ :p

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Comment by girrrrrrr2 Subscribed to comments via email
2007-11-15 14:28:12

lol¡¦ i would be like give a full ride to this shool or suffer the wrath¡¦ so where do i get this Lantronix Xport?

MyAvatars 0.2
2007-12-03 12:31:31

[...] This actually works since we just had a DoS attack about 5 minutes ago. (It seems like we are getting more and more DoS attacks these days. You can refer to the DDOS Deflate script also) [...]

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