17 lines
		
	
	
		
			493 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			493 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| The Pluggabble Authentication Module controls minimum security requirements, such as password lengths.
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| Configuration rests in `/etc/pam.d/common-password`, or sometimes `system-auth`.
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| The file might be edited to contain:
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| ``` 
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| password required pam_cracklib.so minlen=12 lcredit=1 
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|  
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| ucredit=1 dcredit=2 ocredit=1 
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| ```
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| This would enforce a minimum length of 12 characters for a password, one lowercase character, one upper case character, two digits, and one other (special) character.
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