µÚ: ÅÂ¾ç ÆÒ ¸ðÀÚ ¶Ç´Â ¾ß±¸ ¸ðÀÚ
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!
¿©±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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VERY nice resource !! Love it indeed !!!!
[...] You can read the full story here [...]
This is a great blog. Thanks. Yes, I hope some hackers are reading it too and squirming.
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¡¦.
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
lol¡¦ i would be like give a full ride to this shool or suffer the wrath¡¦ so where do i get this Lantronix Xport?
[...] 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) [...]