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https://chonnom.com/bbs/board.php?bo_table=B17&wr_id=235
DROP : "Request Timed out" / ±ÇÀå - ¹«ÀÀ´ä (blackhole)
REJECT : [ --reject-with type ]
- ÆÐŶ¿¡ ´ëÇÑ °ÅÀýÀÇ»ç(?)
- ÆÐŶ½ÇÆп¡ ´ëÇÑ ´Ü¼Á¦°ø(?)
- icmp-net-unreachable
- icmp-host-unreachable
- icmp-port-unreachable
- icmp-proto-unreachable
- icmp-net-prohibited
- icmp-host-prohibited
- icmp-admin-prohibited (*)
- tcp-reset RST ÆÐŶÀ» µ¹·Áº¸³» ¿¬°áÀ» ÇØÁ¦