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Samba Security and Troubleshooting

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Source: Linux home networking - Posted by Bill Keys

Configuring Samba for your office or home can provide many advantages. By encouraging users to store files on a central file server, you can simplify data backup and in some cases, software installation and maintenance.

Unfortunately, the initial configuration of Samba can be tricky. Many simple steps need to be executed in the correct order, and one small slip up can have big repercussions. This chapter explores the ways in which you can recover from those mistakes that you couldn't avoid. Do you thing about how can I make my share secure? When setting up Samba it alway important to make it secure. This article will show you how to setup a secure Samba share.

Read this full article at Linux home networking

Comments

Missing in article: file permissions and

Written by Frank Spierings on 2008-05-07 08:13:20

This article seems to be missing useful information about how to setup file permissions for different users etc. Also how to correctly mount smb shares on a multi-user (or multi-services under different accounts) linux system. I noticed after a few days of tinkering how important it is to make mount points user specific on linux clients.

Articles

Written by Mikde on 2008-05-07 08:46:46

Do you have any favorite articles about Samba security? I have a basic Samba share but I would like to improve it's security.

RE: Articles

Written by Frank Spierings on 2008-05-08 05:24:45

Sorry, don't have any specific article for you. Just figured most out for myself.
Interesting points I found out for myself is that when running services (under user names other than root) on a linux box which should use a samba share, your best bet is to mount these shares for that specific service/user.
Also, when mounting the shares pay attention to gid,uid, and masking properties (see mount.cifs man). This way you can make the share only writeable for a specific service/user.
Don't try the chmod solutions for allowing/denying access, since these will never end up on the actual share anyway.
Hope this helps steer you in the right direction.

Thanks

Written by Mike on 2008-05-08 10:14:20

Thank you for the tips.

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