ACL stands for access control list. ACLs extend permissions on files beyond the traditional user-group-others triple.

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ACL defaults not being obeyed on copy over NFS

I have an Arch Linux box that has a folder from an Ubuntu server mounted via NFS. I've set up an Access Control List on the folder on the server such that any new files should have their permissions ...
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1answer
1k views

How to use Extended ACL's on AIX?

Using AIX (6.1) FTPD, a user needs to log in and it should only reach 2 directories (read/write) in the system, ex.: /foo/sth1 and /foo2/sth2 Besised the users home directory it shouldn't reach ...
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1answer
352 views

Issues while untaring tarball with acl

I am getting an error “Unknown file type 'A', extracted as normal file” while un-taring a set of files which has acl permissions set. I had created the tar file in Solaris with tar -cpfv ...
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1answer
86 views

Get rights for specific user on file/dir

I'm searching for a command that essentially would do the following: check which rights a user has on a file/dir (including ACL) and return it. E.g. say you have the following directory: -rw-r--r-- ...
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Cross-NFS file move adds ACL

Moving a file from one NFS4 mount to another adds an ACL. The reason, if I understand the process correctly, is that mv queries the system.nfs4_acl extended attribute of the source file, and uses the ...
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59 views

OSX/Darwin ACL Format

In OS X, if you want to view the ACL information on a file, you can do so with the -e option of `ls. $ ls -lde app/cache drwxrwxr-x+ 7 alanstorm staff 238 Apr 1 10:02 app/cache 0: user:alanstorm ...
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1answer
84 views

Using FACLs to restrict default group but allow others

So, I'm running RHEL 6.x with acls enabled, etc. and I've been fighting this ACL issue for a bit now and I can't seem to get it down. I'm trying to make it so that: /var/www/html/* are owned ...
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CentOS 6.5 sound permissions

I am trying to configure ALSA for a CentOS 6.5 minimal install, my problem is non-root users do not have permission to access the sound devices in /dev/snd because the files are missing access control ...
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168 views

New files getting wrong permissions from setacl

I'm trying to create a file from windows on a mapped samba share, but after creating the file, I'm unable to edit it. For some reason the mask is changing to rw- even though my default is set to rwx. ...
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77 views

Copying a file on a JFS filesystem, does not follow ACL guidelines

I have a JFS filesystem /dev/md2 on /mnt/hd2 type jfs (rw) to which I'm trying to copy some folders into target folder /mnt/hd2/videos/movies/. NOTE: I'm actually not using this target folder ...
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1answer
227 views

Chown and the risk of corrupting the backup disk

I am about to modify the file ownership recursively in a filesystem that uses ACLs. Because it is my backup disk, I thought I'd solicit comments on the script before I run it. #!/bin/bash # Replace ...
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UNIX ACL disadvantages [closed]

I have read a lot about how great UNIX ACLs are. For example, one good example can be viewed here. However, are there any disadvantages or configurations that cannot be expressed using ACL?
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Howto set access control lists ACLs in OpenLDAP

I'm using the Debian Squeeze OpenLDAP. Where can I set ACLs? Isn't it possible to execute the access to directives with ldapmodify? There's no slapd.conf file in Debian, they use a slapd.d folder
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3answers
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Setting default username and group for files in directory

Using this helpful post I am able to set a default group and file permissions in a folder. I'm having trouble setting a default owner (teamlead uid 1234). setfacl -d -m g::rwx /my/test/folder ...
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2answers
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exim4 on debian: why does this ACL work when testing with -bh but not in actual use?

I've got local_acl_check_data to reject the typical spammer tactic of using the same address as From: and To:, but since some less-spammy sources, such as Yahoo Groups, do this, I'm using a whitelist ...
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2answers
326 views

Installing `setfacl` on Cent OS 6

My apologies if this is the wrong Stack Exchange for this sort of question — it seems like the most appropriate. Which yum package should I install to get the setfacl command on my linux virtual ...
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1answer
20 views

What is the difference between these two sets of command for configuring ACL permissions?

Hi I am wondering what is the difference between the two sets of commands below: 1) To allow Davis to access and modify all files and folders in the the home directory of John # setfacl -m ...
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facl ignoring the “x” permission but only on files

When I use setfacl to manage on what permissions should the children files / directories have, for some reason the files have all the permissions except the execute ("x") one. ...
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2answers
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How to give permissions to user (regarding an NFS share)

There are two machines: "A" and "B". OS is SLES 9.4. "A" is the NFS server, "B" is the NFS client. "A" has exported an FS to "B". "B" mounted the NFS share. On both machines I have root permission. ...
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1answer
76 views

Why can't ACLs block users from having access to their own home directory?

CentOS 6.x In the process of studying ACLs, I came across this blurb in my training documentation: However with ACLs, you can't deny access for a user to his home directory While I can't think ...
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2answers
51 views

How do I know ACLs are supported on my file system?

Is it enough to see getfacl giving no error, or do I have to check some other place to see whether or not ACLs are supported by the file systems?
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1answer
32 views

User cannot access a file after setting an ACL [duplicate]

I cannot enter a directory after creation in a folder with an ACL: I am attempting to limit rwx access to a folder for just a single group and no one else. I would like to be able to add new users to ...
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1answer
109 views

How does ACL calculate the effective permissions on a file?

I ran the following command to give the wheel group rwx permissions on new files and subdirectories created: [belmin@server1]$ ls -la total 24 drwxr-sr-x+ 2 guards guards 4096 Aug 27 15:30 . ...
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1answer
77 views

Give a user the permission to access files in a directory

I have mounted a volume from NAS storage to my Solaris 10 machine using NFS. I want to give read/write permission for a user to the directories and subdirectories and files. I have tried setfacl -m ...
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158 views

How can I tell why I have permissions to read a file? [closed]

Here's what I just noticed on my CentOS SSH account: stat output $ stat /dev/kvm File: `/dev/kvm' Size: 0 Blocks: 0 IO Block: 4096 character special file Device: ...
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1answer
256 views

Not allowed to read a file with correct group permissions? ACL?

I just set up a basic nginx server on my Debian 7.0 server. The config file /etc/nginx/nginx.conf is barely modified, and begings with: user www-data; # nginx shall run as user `www-data` I then ...
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207 views

ACL defaults: files vs directories

Default ACLs on a directory are inherited by files and subdirectories created under that directory. It seems a common requirement that by default subdirectories should be executable (i.e. cd-able) ...
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1answer
582 views

Why does getfacl remove the leading / from absolute pathnames?

I'm in the midst of learning about ACL's for Centos/Red Hat 6 and when I run getfacl using an absolute path I of course get among the output: getfacl: Removing leading '/' from absolute path names ...
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3answers
333 views

Group+rx permission only in directories using ACL?

I need to install acl in order to set up a very specific permission structure. Group members should be able to see the files in a directory and change into the subdirectories. However, they should not ...
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1answer
223 views

Enable ACL on ArchLinux

Hi i'm trying to enable ACL on my filesystem. this are the steps install acl with # pacman -S acl edit /home entry on /etc/fstab /dev/sdb4 /home ext4 defaults,acl,noatime ...
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1answer
100 views

Function of owning group versus ACL group permissions

Given the fact that we can give any number of groups rwx via POSIX ACL's is there any special privileges given to the owning group? For example, we can set any number of users with ACL's but only the ...
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1answer
88 views

Allowing user access to mailman python files from root?

I just got my first managed VPS, and am taking a crash course in administering users. I normally do most things on my local computer as root. It is running centos-5-x86_64. What I'm trying to do is ...
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OS X: Apply inheritable ACL permissions to pre-existing subfolders and files

I have a folder with numerous ACL permissions set. Most of these include file_inherit and directory_inherit permissions and therefore should be, and are, automatically propagated to any new ...
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Is there a way to backup and restore ACL file and folder permissions on linux the way that there is using icacls in Windows? [duplicate]

In Windows you can do this (backup and restore ACL permissions) can you do this in Linux? And to clarify, I mean ACLs in Linux, I do not mean the default permissions modified with chmod / chown.
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How can I cause cvs update to use the destination folder's default posix acl mask?

I have a directory and file with these permissions: # file: blue/ # owner: user-a # group: group-a user::rwx user:user-b:rwx group::rwx mask::rwx other::r-x default:user::rwx default:user:user-b:rwx ...
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1answer
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can’t set ACLs on FreeBSD UFS

$ sysctl -a | grep acl kern.features.ufs_acl: 1 vfs.acl_nfs4_old_semantics: 0 $ mount /dev/ada0p2 on / (ufs, local, journaled soft-updates) devfs on /dev (devfs, local, multilabel) devfs on ...
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Problem using Access control lists for new users, ex ( afolder created in skel directoy have acl set, it should apply to new users)

I have a doubt regarding ACL I want to give permissions to a group using ACL A directory created in SKEL directory needs to have a default ACL set that allows the members of the group “linux” to ...
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Why doesn't the owning group get the executable bit? [duplicate]

Playing with ACL's: [root@rex web]# pwd /media/web [root@rex web]# ll -d drwxr-xr-x. 2 root root 4096 Jan 1 14:31 . [root@rex web]# setfacl -m d:g::rwx . [root@rex web]# setfacl -m g::rwx . ...
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51 views

ZFS ACL (NFS4 ACL)

I'm using Openindiana (Solaris 10) containers and I want to let users upload web content over sftp I'v managed to setup internal-sftp of openssh and lock user under web root. All the files under web ...
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47 views

Copying files to a directory shared via ACL doesn't get default mask

I'm trying to setup a simple shared directory on an ext4 filesystem for a group of users to work on. Let's say i just need to give all permissions to all users belonging to the group "workgroup" to ...
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76 views

How do I recursively apply default ACLs of a directory to its descendants?

If I have a directory with default ACL entries assigned to it, but some or all of its descendant files and sub-directories have access or default ACLs that do not agree with those defaults, how do I ...
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757 views

Samba 4.1.9 returning “access denied” trying to change share perms from Win client

UPDATE: version mismatch seemed to stop happening for some reason, although not sure why/at what point. Have a "public" (within LAN...like this) read-write share on a CentOS 6.4 box running, ...
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What forms of discretionary access control are there?

I know it's kind of an unguided question, but just so I have a broader sense of how things are I was interested in getting a reasonably complete list of discretionary access controls available on Unix ...
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Setting up a shared folder with group: ACL and file creation [duplicate]

I'm very new to ACL, and at the moment I've been trying to set up a shared folder such that any user belonging to a certain group (lets call it "thegroup") can have full access to the folder (which ...
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Windows domain account can't create files via samba share, but can do this in linux shell, why?

I'm migrating tomcat server from windows to linux (CentOS 6.3 64bit), and want to use samba to share tomcat directory to technical department staffs (windows domain users) with read+write rights. ...
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1answer
139 views

Why are directories created with permissions 2070 and files with 060 in a directory with setgid bit?

I have the following directory: $ ll -d neptune drwxrws---+ 5 beamin psych 4096 Mar 7 16:18 neptune $ getfacl neptune # file: neptune # owner: beamin # group: psych # flags: -s- user::rwx ...
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setfacl access issues

I have a list of users (user1,user2,user3,superuser). user1, user2 and user3 belong to a usergroup called normalusers . Now, I need to issue the access control list command for the user superuser to ...
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3answers
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Is it possible to create a file with the privileges of other users?

I am a user of the root account on the server named A. And I also own the accounts of user1 and user2. When I create a file or directory in the account of user1, I want the owner of the file to be ...
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1answer
1k views

What does the “flags” field in getfacl mean?

I'm trying to set permissions on a server between users using ACLs. When I'm checking their status on one of directories using getfacl dir10, it shows: root@svn:/srv/resources/somedir# getfacl dir10 ...
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File/dir permission conundrum

I support a dev server for WordPress sites. Server is using the Nginx/php-fpm stack. I'm struggling with setting up file and directory permissions so that www-data has read and write access while our ...