CODEWITHSUNDEEP
linuxapachesecurityubuntupermissions
Trent Scott
Trent Scott

Reputation: 2028

Are these LAMP permissions secure?

I have a LAMP server where I've run the following commands to set permissions of files in /var/www:

groupadd web
usermod -a -G web my_user
chown -R root:web /var/www
chmod -R 775 /var/www
chmod -R g+s /var/www

My goal is to have all files writable by any member of the "web" group. Is there a secure way to allow file uploads (e.g. within Wordpress) without changing the file ownership? Note: this is a private server.

Upvotes: 0

Views: 1922

Answers (1)

larsks
larsks

Reputation: 312038

One way of applying permissions to just directories is to use the find command. For example:

# Set the owner and group on everything.
chown -R root:web /var/www

# Make *directories* read/write/execute and set the `sgid` bit.
find /var/www -type d -print | xargs chmod g+rwxs

You don't want to run chmod -R 775 /var/www because this will make all your files executable, which is probably not what you want.

Upvotes: 1

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