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 3923, 7/197 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   intent76
   [¹®ÀÇ] iptables ¸¶½ºÄ¿·¹À̵ù TIP

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_linux&no=130 [º¹»ç]


k-sec´Ô ¿Ã·Á ÁֽŠiptables ¸¶½ºÄ¿·¹À̵ù TIP
http://www.koreasecurity.net/ ¿¡¼­ µû¿Â ±ÛÀÔ´Ï´Ù.

Á¦°¡ ¸®´ª½º¸¦ ¼­¹ö·Î Çѵ¥´Â windows me°¡ ±ò·Á Àִ°÷Àº
Ŭ¶óÀ̾ðÆ®·Î ¾µ·Á±¸ Çϴµ¥¿ä[´ÙÀÌ·ºÆ® ÄÉÀÌºí »ç¿ëÇÏ°í ÀÖ±¸¿ä]
Á¤È®È÷ ¾î¶»°Ô ÀÔ·ÂÀ» ÇØ¾ß ÇÒÁö ¸·¸·Çؼ­¿ä.

¹Ø¿¡¼­ º¸¸éÀº


1.¸®´ª½º ¼­¹öÃø ..
-----------------------------------------------------------------
vi  /etc/sysconfig/network
FORWARD_IPV4=yes
GATEWAY=192.168.1.1
vi /etc/systl.conf
net.ipv.ip_forward=1
-----------------------------------------------------------------
¿©±â±îÁö°¡ ¸®´ª½º¿¡ ÀÔ·Â ÇϸéµÇÁö¿ä.
±Ù´ë ¹ØÀº ÀÌÇØ°¡ ÀüÇô ¾È°©´Ï´Ù. ¤Ð.¤Ð

2.Ȥ½Ã vi /etc/rc.d/rd.lacl ¿¡ ¹Ø¿¡ ¸í·É¾î¸¦ ÀÔ·Â ÇØÁÖ¸é µÇ´Â°Ç°¡¿ä
( vi /etc/rc.d/rc.local  ¿¡ ¿©·¯ ¼³Á¤À» Ãß°¡Çؼ­ ÀÌ¿ëÇصµ µÈ´Ù.)
-----------------------------------------------------------------
ifconfig eth1:koreasecurity  192.168.1.1
iptable -t nat -A POSTROUTING -o eth0 -j MAQUERADE
iptables -t nat  -L  È®ÀÎ
iptables -t nat -D POSTROUTING 1  »èÁ¦ÇÒ °æ¿ì..
Ŭ¶óÀ̾ðÆ®
-----------------------------------------------------------------
3.¿øµµ¿ì:  ³×ÀÓ¼­¹ö¸¸ ÁÖÀÇ Çؼ­ ¼³Á¤ÇØÁÖ¸é µÈ´Ù ..

----->³×ÀÓ¼­¹ö¶ó ÇÔÀº Á¦²¬·ç À̾߱â Çϸé Ŭ¶óÀ̾ðÆ®ÂÊ ip¸¦
           ÀÔ·ÂÇÏ¸é µÇ³ª¿ä???????

4.¸®´ª½º
ifconfig eth0 192.168.1.126
route add default gw 192.168.1.1   dev eth0
ping 192.168.1.1  
¾îµð¿¡ ¼³Á¤À» ÇØ¾ß ÇÒÁö ????

³Ê¹« Ãʺ¸¶ó ³ÐÀº ¾Æ·®À¸·Î ÀÌÇØÇØ Áֽñ¸¿ä ... ¸¹ÀÌÁ» °¥ÄÑ ÁÖ¼¼¿ä ^^;
ÁÁ¿î ÇÏ·ç º¸³»½Ã±¸¿ä ...¤»¤»

  Hit : 4153     Date : 2003/09/16 12:00



    
3803     [re] Áú¹®ÀÔ´Ï´Ù     ¼ÒÀ¯
09/15 3998
3802   ¸®´ª½º ºÎÆÿ¡ °üÇÑ Áú¹®..     0bliss0
09/15 4514
3801   ½© ±×°ÍÀÌ ±Ã±ÝÇÏ´Ù.     °¡À»·É
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3800     [re] ½© ±×°ÍÀÌ ±Ã±ÝÇÏ´Ù.     LinuxCom
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3799     [re] ½© ±×°ÍÀÌ ±Ã±ÝÇÏ´Ù.     ¼ÒÀ¯
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09/16 3617
3789   ¸®´ª½º ºÎÆýà ¹®Á¦Á¡ Áú¹®ÀÔ´Ï´Ù..ºÎµð     Keres
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3787   Åڳݿ¡°üÇÏ¿©     sinsa0612
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3786     [re] Åڳݿ¡°üÇÏ¿©     ¼ÒÀ¯
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3785   ¸®´ª½º ¼Ò½º ¹®Á¦...[1]     williekim
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3784     [re] ¸®´ª½º ¼Ò½º ¹®Á¦...     ¼ÒÀ¯
09/18 3608
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