115.68.226.218
OS : CentOS 6.8
iptables Version : iptables v1.4.7
iptables ¿¡ ´ëÇÑ ±âº»ÀûÀÎ ÀÌÇصµ´Â ÀÖ´Ù´Â °¡Á¤ÇÏ¿¡ Àû½À´Ï´Ù.
¿©±â¼´Â iwinv À̹ÌÁö ±âº»¼³Á¤ iptables Rule À» ±×´ë·Î À¯ÁöÇÏ´Â ¼±¿¡¼...
Packet Counting ¿ë üÀÎ ¼³Á¤
¹°·Ð....±âÁ¸ input üÀο¡µµ ³Ö¾îµµ µÇÁö¸¸...°ü¸®»ó º¸±âÆíÇÏ°Ô...
½Ã½ºÅÛ ¿ä±¸»çÇ×
1. ¸®´ª½º ±â¹Ý OS
2. iptables quota ¸ðµâ
¡Ø bytes ·Î¸¸ Á¦¾î°¡´É
quota
Implements network quotas by decrementing a byte counter with each packet.
--quota bytes
The quota in bytes.
Æ®·¡ÇÈ Á¤Ã¥ È®ÀÎ
1. ÀÏ 10g
2. idc ³» Æ®·¡ÇÈ ¹«·á
º»¹®¿¡¼´Â º¸¾È»ó ¾ÆÀÌÇÇ Á¤º¸¸¦ ¾Ë·Áµå¸®Áö´Â ¾ÊÁö¸¸ ¿©±âÀú±â ±â¿ô°Å¸®¸é...Á¤º¸ÂëÀÌ¾ß ¼Õ½±°Ô ãÀ»¼ö ÀÖ´Ù. Âü°í URL Á¤µµ¸¸.....
3. ³»ºÎ (»ç¼³) Æ®·¡ÇÈ ¹«·á
4. ¸ðµç Æ®·¡ÇÈ? ¾Æ´Ï¸é....ƯÁ¤ ¼ºñ½º¸¸?
5. Ãß°¡ÆÁ) ¿©±â¿¡....DROP ÆÐŶÀÌ ½×ÀÌ°Ô µÇ¸é...sendmail ·Î ¿À°Ô ÇÑ´Ù´õ´Ï..
À¯ÀÇ»çÇ×
1. Packet Ä«¿îÆÃÀº ¸ðµç ·ê¿¡ ÃÖ¿ì¼±
2. ¸®ºÎÆà ¹× iptables Àç½ÃÀÛÀ» ÇϰԵǸé...ÆÐŶī¿îÆ®´Â ÃʱâÈ
3. ÁÖ±âÀûÀ¸·Î Ä«¿îÆà ÀúÀå
4. Àç½ÃÀ۽à ÃÖ±Ù ÀúÀåµÈ Ä«¿îÆÃÀ¸·Î restore
5. ÀÏ´ÜÀ§ Á¤Ã¥ ¹Ý¿µÇÒÁö...¿ù´ÜÀ§ Á¤Ã¥À» ¹Ý¿µÇÒÁö???
Áï, ÀÏ / 10G
¿ù / 300G
CRON °áÇÕ
6. ¸ðµç ÀÛ¾÷½Ã¿¡´Â Ä«¿îÆà zero »óÅ¿¡¼...
¸ðµâ üũ
# modprobe ipt_quota
# lsmod |grep quota
xt_quota 1439 0
iptables Control
# iptables -N TRAFFIC_QUOTA
# iptables -I INPUT -j TRAFFIC_QUOTA
´ÜÀ§°è»ê
1 GBYTE = 1073741824 BYTE
:: 1024*1024*1024 = 1073741824
300 GBYTE = 322122547200 BYTE
# iptables -A TRAFFIC_QUOTA -m quota --quota 1073741824 -j RETURN
# iptables -A TRAFFIC_QUOTA -j DROP
# iptables -vxnL
:: --quota ¼öÄ¡°¡ µé¾î¿À´Â bytes ¼ýÀÚ¸¸Å...°¨¼ÒÇÏ°í ÀÖ´Ù.
# iptables -Z
Cron º¯ÇÕ¿¹Á¦
iptales ½ÃÀÛ ½ºÅ©¸³Æ® È®ÀÎÇؼ ÀúÀåÀ§Ä¡ üũ
IPTABLES=iptables
IPTABLES_DATA=/etc/sysconfig/$IPTABLES
ÀÚ...ÀÌ°É·Î ³¡ÀÌ´Ù.
Å×½ºÆ®Çغ»´Ù....À§¿¡¼´Â 1G·Î ¼³Á¤ÇÏ¿´±â¿¡...ÀúÁ¤µµ Æ®·¡ÇÈÀÌ ´©ÀûµÇ·Á¸é....µ¿¿µ»ó Á¤µµ´Â ¿Ã·ÁÁà¾ß µÉ±î?
quota ¼öÄ¡¸¦ ³·°Ô Á൵ µÇÁö¸¸... ¿©±â¼´Â Àú¼³Á¤ ±×´ë·Î À¯ÁöÇÑä·Î Å×½ºÆ®¸¦ ÁøÇàÇÑ´Ù.
±»ÀÌ ¾Æ±î¿î Æ®·¡ÇÈ ¼ÒÁøÇÒÇÊ¿ä ¾ø´Ù...
Ä«¿îÆÃÀ» Á¶ÀÛ(?)Çؼ ±Ù»çÄ¡¿¡ °¡±îÀÌ º¯°æÈÄ¿¡ restore Çغ¸¸é µÈ´Ù.
# iptables-save -c > /etc/sysconfig/iptables
# vim /etc/sysconfig/iptables
# iptables-restore -c < /etc/sysconfig/iptables
# iptables -vnL
ÀÌÁ¦´Â...iwinv Æ®·¡ÇÈ Á¤Ã¥À» ¹Ý¿µÇÑ´Ù.
³»ºÎ »ç¼³ ¶ó¿ìÅ͸¦ ÅëÇØ Åë½ÅµÇ´Â Æ®·¡ÇÈÀº ¹«·á... (»ç¼³¾ÆÀÌÇÇ)
iwinv (½º¸¶Àϼºê) ³»¿¡¼ Åë½ÅµÇ´Â Æ®·¡ÇÈ ¶ÇÇÑ ¹«·á... (°øÀξÆÀÌÇÇ)
# iptables -I TRAFFIC_QUOTA -s 172.16.0.0/16 -j RETURN
# iptables -I 2 TRAFFIC_QUOTA -s 115.68.0.0/16 -j RETURN
# iptables -I 3 TRAFFIC_QUOTA -s 48.XXXXX/16 -j RETURN
°³³ä¸¸ ÀÌÇØÇÏ°íÀÖ´Ù¸é ¿©·¯¹æ¸éÀ¸·Î È°¿ë°¡´ÉÇÏ´Ù.