[Nainu]°¡ 10ÀÏÁ¤µµÀÇ ±â°£µ¿¾È LogWatchÀÇ Á¤º¸¸¦ ¹ÙÅÁÀ¸·Î /etc/hosts.deny ¿¡ ssh ¾îÅÃÀ» ÇÏ´Â IP¸¦ Âß Àû¾îº¸¾Ò½À´Ï´Ù. ÇÏ·ç¿¡ µÎ¼¼°³ Á¤µµ¾¿ Ãß°¡µÇ´Âµ¥ ÇÊ¿äÇϽŠºÐµéÀÌ ½áº¸½Ã°í, °³¼±»çÇ×ÀÌ ÀÖ´Ù¸é ¾Ë·ÁÁÖ¼¼¿ä. Ãß°¡ÇÏ½Ç ºÐÀÌ ÀÖ´Ù¸é Ãß°¡Çϼŵµ ÁÁ°Ú³×¿ä. :) Ãß°¡ÇÑ ±âÁØÀº ´ÙÀ½°ú °°½À´Ï´Ù. * Çѱ¹ÀÌ ¾Æ´Ï´Ù. * Çѱ¹ÀÌ ¾Æ´Ò °æ¿ì ÃÖ´ëÇÑ ³Ð°Ô Àû¿ëÇÑ´Ù * ±¹°¡ ¶§¹®¿¡ ´ë¿ªÀÌ ³Ê¹« Á¼°Ô ÀâÈ÷°Ô µÇ¸é, Çѱ¹ÀÌ Æ÷ÇÔµÉÁö¶óµµ ¸ðµÎ ¸·¾Æ¹ö¸². ±×·±µ¥ ÀÌ ÀÌÀü¿¡ ¸ÕÀú º¸¾È¿¡ ¿¹¹ÎÇÑ ¼­¹ö¶ó¸é ƯÁ¤ IP ¿Ü¿£ ´Ù ssh¸¦ ¸·¾Æ¹ö¸®´Â°Ô ´õ Áß¿äÇÏ°í, ±×·¸Áö ¾Ê´Ù¸é /sbin/nologin µîÀ¸·Î »ç¿ëÇÏÁö ¾Ê´Â °èÁ¤À» ¸ðµÎ ºñÈ°¼º½ÃÅ°°í ³­ ÈÄ¿¡ ÀÌ ¹æ¹ýÀ» Àû¿ëÇϴ°ÍÀÌ ÁÁ°Ú½À´Ï´Ù. {{{ # # hosts.deny This file describes the names of the hosts which are # *not* allowed to use the local INET services, as decided # by the '/usr/sbin/tcpd' server. # # The portmap line is redundant, but it is left to remind you that # the new secure portmap uses hosts.deny and hosts.allow. In particular # you should know that NFS uses portmap! # # see also http://wiki.kldp.org/wiki.php/SshAttackList?action=show ALL: 140.* ALL: 61.* ALL: 63.* ALL: 64.* ALL: 65.* ALL: 66.* ALL: 81.* ALL: 82.* ALL: 83.* ALL: 84.* ALL: 85.* ALL: 151.* ALL: 200.* ALL: 201.* ALL: 202.* ALL: 203.81.* ALL: 207.* ALL: 210.196.* ALL: 210.240.* ALL: 210.34.* ALL: 210.73.* ALL: 210.77.* ALL: 211.114.138.* ALL: 211.124.* ALL: 211.192.* ALL: 211.198.* ALL: 211.214.* ALL: 211.233.162.* ALL: 211.233.89.* ALL: 211.23.* ALL: 211.61.* ALL: 212.202.* ALL: 212.24.* ALL: 213.* ALL: 216.* ALL: 218.249.* ALL: 218.90.* ALL: 220.194.* ALL: 220.202.* ALL: 221.12.* ALL: 221.186.* ALL: 221.253.* ALL: 222.236.* ALL: 222.236.* }}} ---- * ¿äÁò sshd ¾îÅÃÀÌ ÀÚÁÖ µé¾î¿À´Âµ¥, ¼­·Î °øÀ¯ÇÏ´Â ÀÚ·á°¡ µÆÀ¸¸é ÁÁ°Ú³×¿ä~ - [±î³ª¸®] ---- CategorySecurity