¹«´É ¼­¹ö¿¡ SSH¸¦ ÅëÇØ Á÷Á¢ÀûÀÎ »Ñ¸® ·Î±×ÀÎ ±×¸®°í »ç¿ëÀÚ Á¢±Ù

¸ðµÎ´Â ¸ðµç ¸®´ª½º ¹× À¯´Ð½º°¡·Î ÇÑ ¹ø ŸÇùÇØ ¾ò´Â ü°è¸¦ ¿ÂÅë ¾ß´Ü¹ý¼® À̾ú´Ù ¿À´Â ¸ðµç °­·ÂÇÑ »Ñ¸® »ç¿ëÀÚ °èÁ¤, Æò±Õ ¸ÀÀ» ³½ °ø°Ý±â¿Í ÇØÄ¿¸¦ Æ÷ÇÔÇÏ¿©, ¾Ë°í ÀÖ´Ù. ÀÌ·¸°Ô SSH¸¦ ÅëÇØ ¼­¹ö ü°è¿¡ Á÷Á¢ÀûÀ¸·Î ·Î±×ÀÎÇϰí Á¢±ÙÇÒ ¼ö ÀÖ½À´Ï´Ù¿¡ »Ñ¸® »ç¿ëÀÚ¸¦ À§ÇÑ ´É·ÂÀ» ¹«´ÉÇÏ°Ô ÇÏ´Â ÁÁÀº ¾ÈÀü ¿¬½À ÀÌ´Ù (´ç¿¬È÷, ü°è´Â FTP Á¢±ÙÀ» ¹«´ÉÇÏ°Ô ÇßÀ½¿¡ Ʋ¸²¾ø´Ù). ¹«´ÉÇÏ°Ô ÇÏ´Â Á÷Á¢ÀûÀÎ »Ñ¸® SSH ¿ø°Ý ·Î±×ÀÎ ÈÄ¿¡, ¼º°ø¿¡ °ÅÄ¥°Ô ÀÚ¸£´Â ºê·çÆ® Æ÷½º¸¦ À§ÇÑ ±âȸ´Â Áß´ëÇÏ°Ô °¨¼ÒµÈ´Ù.

²ô°í Á÷Á¢ÀûÀÎ »Ñ¸® SSH ·Î±×ÀÎÀ» ¹«´ÉÇÏ°Ô Çϱâ À§ÇÏ¿©, ÀÌ °£´ÜÇÑ ÀÚ½À¼­¸¦ µû¸£½Ê½Ã¿À:

Áß¿äÇÑ: (³´°Ô ¹ÙÄû »ç¿ëÀÚ ±×·ì¿¡) ³Ê¹« ¼ÓÇÑ´Ù ´Ù¸¥ °èÁ¤ÀÌ ÀÖ±â À§ÇÏ¿© ´ç½ÅÀ» SSH¸¦ ÅëÇØ ¸Ö°Ô ·Î±×ÀÎÇÒ ¼ö ÀÖ´Â, »ç¿ëÀÚ °èÁ¤À» »Ñ¸®¹ÚÀ» ¼ö SU¿¡ ÀÖ½À´Ï´Ù È®ÀÎÇϰŵç. ±×¹Û¿¡ ´ç½ÅÀº ¹ÛÀ¸·Î ´ç½ÅÀÇ ¼­¹ö¿¡¼­ Àá±â À§Çè¿¡ ³» ¸Ã±ä´Ù.

  1. »Ñ¸®·Î ¼­¹ö ±×¸®°í ·Î±×ÀÎÀ¸·Î SSH.
  2. ¸í·É Æ÷ź, »ç¿ë pico ¶Ç´Â vi¿¡¼­ sshd_config ÆÄÀÏÀ» µÚ¿¡ ¿À´Â ¸í·ÉÀÇ Å¸ÀÚ¸¦ Ä¡´Â °Í¿¡ ÀÇÇØ ÆíÁýÇϱâ À§ÇÏ¿©:

    pico /etc/ssh/sshd_config
    vi /etc/ssh/sshd_config

  3. SSH ¼­¹ö ±¸¼º ÆÄÀÏÀ» ¾Æ·¡·Î ¸»°í ¾Æ·¡ °°ÀÌ ¼±À» ã¾Æ³»½Ê½Ã¿À:

    ±×·¸½À´Ï´Ù #PermitRootLogin

  4. Uncomment´Â "¾Æ´Ï"¿¡ À½½Ä »ó¡À» Á¦°ÅÇØ¼­ ¼± (#), ±× ¶§ "±×·¸½À´Ï´Ù" ¹Ù²Û´Ù. ¸¶Áö¸· ¼±Àº ¾Æ·¡ °°ÀÌ ºÁ¾ß ÇÑ´Ù:

    PermitRootLogin ¾Æ´Ï¿À

  5. ¼³Á¤ ÆÄÀÏÀ» ÀúÀåÇϽʽÿÀ. pico¿¡¼­´Â, Ctrl-o¸¦, µû¸¥´Ù Ctrl-x¿¡ ÀÇÇÏ¿© ´©¸£½Ê½Ã¿À. vi¿¡¼­´Â, ŸÀÚ¸¦ Ä¡½Ê½Ã¿À: wq¿Í ¾Ð¹ÚÀº µé¾î°£´Ù.
  6. Ä¿¸Çµå ¶óÀο¡ ÀÖ´Â µÚ¿¡ ¿À´Â ¸í·ÉÀ» ŸÀÚ¸¦ Ãļ­ ÀçÂø¼ö SSH ¼­¹ö, ±×¸®°í ¾Ð¹ÚÀº µé¾î°£´Ù:

    /etc/rc.d/init.d/sshd ÀçÂø¼ö

  7. SSH ¿¬°á¿¡¼­ ·Î±×¾Æ¿ô. Á¢±Ù¿¡ ÀÇÇÏ¿© ºÎÁ¤µÈ °ú½Ç·Î ½ÇÆÐÇØ¾ß ÇÑ´Ù »Ñ¸®, ±×°ÍÀ¸·Î ·Î±×ÀÎÇÏ´Â °ÍÀ» ½ÃµµÇϽʽÿÀ. ´ç½ÅÀÇ ÀÚ½ÅÀÇ »ç¿ëÀÚ ¸í ¹× ¾ÏÈ£¸¦ °¡Áø »Ñ¸® °èÁ¤, ·Î±×ÀÎ, ¹× ±× ÈÄ¿¡ SU¿¡ »Ñ¸®¿¡ Á¢±ÙÇϱâ À§ÇÏ¿©.

Áß¿äÇÑ: À̰ÍÀº º¸Àå ¾øÀÌ "ÀÖ´Â ±×´ë·Î" Á¦°øµÇ´Â ±â°è ¹ø¿ª ÆäÀÌÁöÀÌ´Ù. ±â°è¹ø¿ªÀº ÀÌÇØÇϱ⠰ï¶õÇÒÁöµµ ¸ð¸¥´Ù. Âü°íÇϽʽÿÀ ¿ø·¡ ¿µ±¹ ±â»ç °¡´ÉÇÑ ¾ðÁ¦µçÁö.

°øÀ¯ÇÏ°í °øÇåÇϰųª ±â¼úÁö¿øÀ» ¾ò°í¿¡ µµ¿ì½Ê½Ã¿À ³ªÀÇ µðÁöÅÐ »ýȰ °ø°³Åä·Ð.



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