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[RHEL7.6] Æнº¿öµå º¯°æ ³¯Â¥ È®ÀÎ [ password / passwd / chage ]
±Û¾´ÀÌ : theko ³¯Â¥ : 2019-08-27 (È­) 16:40 Á¶È¸ : 1843

1. Æнº¿öµå º¯°æ ³¯Â¥ È®ÀÎ

 

# chage -l $(id)

Last password change     : Aug 27, 2019 <== This

Password expires     : never

Password inactive     : never

Account expires      : never

Minimum number of days between password change  : 0

Maximum number of days between password change  : 99999

Number of days of warning before password expires : 7

 

 

2. Æнº¿öµå º¹À⼺ ¼³Á¤

 

file : 

/etc/pam.d/system-auth-ac - pam_cracklib.so

/etc/pam.d/password-auth-ac - pam_cracklib.so

 

    * Option ¼³¸í

  - minlen : Æнº¿öµåÀÇ ÃÖ¼Ò ±æÀÌ, 6ÀÚ ÀÌÇϷδ ¼³Á¤ÇÒ ¼ö ¾øÀ½

  - dcredit : ¼ýÀÚ°¡ ¹Ýµå½Ã Æ÷ÇԵǾî¾ß ÇÑ´Ù´Â ¿É¼Ç

  - ucredit : ´ë¹®ÀÚ°¡ ¹Ýµå½Ã Æ÷ÇԵǾî¾ß ÇÑ´Ù´Â ¿É¼Ç

  - lcredit : ¼Ò¹®ÀÚ°¡ ¹Ýµå½Ã Æ÷ÇԵǾî¾ß ÇÑ´Ù´Â ¿É¼Ç

  - ocredit : Ư¼ö¹®ÀÚ°¡ ¹Ýµå½Ã Æ÷ÇԵǾî¾ß ÇÑ´Ù´Â ¿É¼Ç

ex)

password requisite pam_cracklib.so type= lcredit=-1 dcredit=-1 ocredit=-1 retry=3

 

3. Æнº¿öµå º¯°æ Áֱ⠼³Á¤

 

file : /etc/login.defs

 

#       PASS_MAX_DAYS   Maximum number of days a password may be used.

#       PASS_MIN_DAYS   Minimum number of days allowed between password changes.

#       PASS_MIN_LEN    Minimum acceptable password length.

#       PASS_WARN_AGE   Number of days warning given before a password expires.

À̸§ Æнº¿öµå
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¿ÞÂÊÀÇ ±ÛÀÚ¸¦ ÀÔ·ÂÇϼ¼¿ä.
   

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