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AWS EC2 linux for PHP app - question on group
http://forums.devnetwork.net/viewtopic.php?f=34&t=143539
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Author:  krot [ Mon Apr 24, 2017 1:47 pm ]
Post subject:  AWS EC2 linux for PHP app - question on group

My question is based on needing as tight as possible security on my site.

I have an AWS EC2 linux instance running a PHP app for use by anyone from their browser, and developed by myself as owner.
I have not changed any groups.

The directory tree is:
Syntax: [ Download ] [ Hide ]
/var
/var/www

/var/www/html
/var/www/html/AWS_s
/var/www/html/AWS_s/nm-app
/var/www/html/AWS_s/cr-app
 

The owner, groups & permissions are:
Syntax: [ Download ] [ Hide ]
drwxrwsr-x 10 root www 4096 Dec 25 01:03 /var/www
drwxrwsr-x 5 root www 4096 Feb 26 22:42 /var/www/html
drwxr-xr-x 6 ec2-user www 4096 Feb 25 22:14 /var/www/html/AWS_s
drwxr-xr-x 7 ec2-user www 4096 Feb 24 20:29 /var/www/html/AWS_s/nm-app
drwxr-xr-x 4 ec2-user ec2-user 4096 Apr 9 19:05 /var/www/html/AWS_s/cr-app
 

Any ideas as to why /cr-app was automatically given the group ec2-user rather than the same group as nm-app which is www?
Which owner:group is more secure?

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