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-A RH-Firewall-1-INPUT -s 188.165.218.0/24 -j DROP ÀÌ·±½ÄÀ¸·Î Ç¥½Ã°¡ °¡´ÉÇÕ´Ï´Ù.
1. ÇϳªÀÇ ¾ÆÀÌÇǸ¸ ¸·´Â ¹æ¹ý(188.165.218.25)
- ex ) A RH-Firewall-1-INPUT -s 188.165.218.25/32 -j DROP
2. ¿©·¯ ´ë¿ª´ë¸¦ Çѹø¿¡ ¸·´Â ¹æ¹ý(65.52.0.0 - 65.55.255.255)»ó±â´ë¿ªÀº BŬ·¡½º ´ë¿ªÀ̹ǷÎ
- ex ) A RH-Firewall-1-INPUT -s 65.52.0.0/16 -j DROP