The ACL is a security and access component of Operating Systems. It contains a set of entries that determine who and what has access to a specified physical or logical system object.

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How to stop existing user appearing in lastlog?

-l, --no-log-init is available in useradd, but not in usermod. How can I modify a user in this manner? And how does it work anyway?
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9 views

set ACL for BackupUser

I want to backup a whole bunch of folders from different users remotely. Therefore I created a special user that is able to log into the machine and (should) have the right to read all the files via a ...
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1answer
38 views

Standard user cannot access directory with ownership and mod 777, but root can

I have the weird issue of a directory being visible and viewable by root, but not by average users (even a sudoer). I run the command ls -alF at the directory containing the folder in question, and I ...
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29 views

ACL inheritance Hide files, show folders (Windows XP/…/7)

I'm currently trying to set ACLs in way that every people from a folder can access every sub-folder in it but cannot see the files. Is it possible to do this ? Possibly with an inheritance system ? ...
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1answer
110 views

Why did Windows 8.1 damage the security permissions on a drive from another Windows installation

I have a problem with Windows 8.1 and doing a "quick" backup of the files and folders on another installations HDD Scenario: Computer A: My computer = Windows 8.1 fully patched Computer B: ...
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1answer
75 views

Can't delete folder as admin, asks for Admin User that doesn't exist - “You'll need to provide administrator permission to delete this folder”

I am having a similar issue to the user who posted here. Basically, a folder in my Downloads (which shouldn't have any special permissions) won't allow me to delete it. When I try, I get a message ...
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1answer
43 views

ACL On Linux like Windows Permissions

Is there something for Linux where you have more advanced controls for linux permissions on users and groups like Windows. Is that what SeLinux is about?
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34 views

Exim is ignoring my ACL definitions for blacklists

As I am running several free sites which are CMS - based spammers are massivly attacking me. So I decided to set up my exim4 - installation for blacklisting domains. Exim seems not to care about any ...
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1answer
163 views

How to setup nfs share for users with write permissions

We used ubuntu linux on desktops with ldap authentication. Both on server and clients we have identical users and groups. I've setup nfs server with public share, which should be available for all ...
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1answer
19 views

Is it possible to set ACLs on a sysfs mount point?

I'd like to add the write access on /sys/power/state to my UID via ACLs, this way I'd don't need to use sudo or any setuid program to make my workstation go on sleepmode, is that possible ? I tried, ...
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1answer
24 views

ACL vs standard file permissions - which are used when accessing file?

ACLs and standard file permissions seem to be synchronized: $ getfacl test.cpp # file: test.cpp # owner: scdmb # group: scdmb user::rw- group::rw- other::r-- $ ls -l test.cpp -rw-rw-r-- 2 scdmb ...
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2answers
50 views

How can I set default permission with ACL in linux?

I have two groups group1 and group2. I need group1 users to be able to read-write (rwx) files owned by users in group2, but users in group2 cannot write to (r-x) files from group1. All users in a ...
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1answer
121 views

Explorer.exe COMRuntime error: unexisting user can't get access permissions to COM server

since explorer has no appid, it's not possible to find relevant DCOM component in Component Services. I tried editing access rights in Elevated-Unelevated Explorer Factory component and editing ...
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1answer
103 views

Effective group permission of a directory - setgid ineffective

I have this /srv directory that, for convenience, I would like members of the wheel group to have write access to, and for any files and directories created to transitively inherit the permissions. ...
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2answers
2k views

Change registry permissions via command line (batch file)

I found an awesome Reg Hack for Windows 7, that renames the 'Computer' icon to something like %username% on %computername%. Unfortunately, in the tutorial, it says to change permissions of the ...
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1answer
89 views

What does it mean to tor your ACL? [closed]

I've heard many people say that they tor their ACL. What does it mean? like they anonymously route their user permissions?
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1answer
29 views

Single permission OS X ACL entries

I'm just trying to understand what happens when you apply a new ACL entry (specifying only a single permission) to a directory or file through the terminal. For example if I were to run this to allow ...
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2answers
475 views

Files copied to shared folder do not inherit permissions

I have a shared directory with the Guest account having Read & execute, Read, List contents permissions. I can access files over the network (e.g. on my tablet or laptop) without issue. However, ...
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1answer
166 views

How do I find all files that do NOT have SYSTEM permission?

I saw that I can use icacls to find all files matching a SID, but how do I find all files that DO NOT have access for SYSTEM user? ICACLS name /findsid Sid [/T] [/C] [/L] [/Q] finds all matching ...
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2answers
170 views

How can I prevent access to my home directory from another root user?

This question was asked during an interview with Google and I can't find any answer. I'm thinking of encrypting your home directory, but if anyone has done it before, i'd appreciate if you can share ...
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0answers
38 views

OpenLDAP - Hide Group / Hide Group Members

I have an OpenLDAP server setup and it is working correctly. My question is this: is there some sort of ACL I can apply that will hide a group or members of a group from another group? In other ...
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2answers
266 views

Disable UAC/SID/ACL on windows 2008 R2

When i am logged in as an administrator on windows 2008R2 I NEVER EVER WANT permissions to be denied for any access modifications configurations or changes I make EVER. If I delete a printer I want it ...
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72 views

How can I list permissions of every component in a file path?

Sometimes it is necessary to determine on which directory in a path access rights are limited. Here is an example: $ ls /sys/kernel/debug/usb/devices ls: cannot access /sys/kernel/debug/usb/devices: ...
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26 views

Like a root but not quite the same

Is it possible to create a linux user group that has all other rights just like the root user, with the exception that it can only read files in /var/log folder, but can not change or delete them? Of ...
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30 views

No-execute access for file when on server but yes when on desktop

I am trying to set file permissions for an iMovie HD project file to be limited when it's on a server but have full access when it's on the user's desktop. I need to have users be able to copy a file ...
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1answer
79 views

How to chmod file I have access to, but I'm not the owner of?

First, why can't I do this? % id -un me % ls -l -rw-rw-r--+ bob bob 100 today foo % chmod +x foo chmod: changing permissions of `foo': Operation not permitted % getfacl foo # file: foo # owner: bob # ...
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88 views

chmod with extended ACLs

When setting the permissions on a file that does not have extended ACLs set, the 'user', 'group' and 'other' permissions are set. This can be seen with getfacl: $ touch testfile $ chmod 600 testfile ...
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2answers
361 views

Windows 8 Command Line Runas sending a password with a bat file

I want to use a .bat file to run a program at the windows 8 command line as 'aaron-desk/administrator'. This account has no password. I've tried the runas command, but this give me an error message ...
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650 views

Clean OSX (Mavericks) install: User folder / ACLs / .DocumentRevisions-V100/

I want to do a clean install of OSX Mavericks and manually transfer user-files. Reasons: I have migrated my User-Account over 3 or 4 releases and I want to make sure i don't carry old data or ...
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19 views

ACL Education Workstation cannot access to the network path

Recently, I have to install ACL Workstation on a client Machines which have to access server resource to use ACLEdu.exe executable file. In the installation (It use the windows installer) they asked ...
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2answers
5k views

How to remove read-only attribute recursively on Windows 7

I need to remove read-only attributes of all files under a directory recursively on Windows 7 using command line. I think one can do this using icacls but I couldn't figure exactly how to do it. ...
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1answer
3k views

Copy security permissions of one file to another

I would like to replicate the permissions of a file to another. I do not want to copy the data, only the permissions. For example, I created a new file and want it to have the same permissions as ...
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1answer
150 views

Changing access rights of the specific folder for specifeid user

what is the exact analog of the following two commands in linux # chmod -R +a "www-data allow read,delete,write,append,file_inherit,directory_inherit" /path/to/moodledata $ sudo chmod -R ...
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1answer
142 views

why setting acl for a user changes group perms in ls output?

I'm trying to figure out why the output of ls command has changed. I mean group permissions for a file. I've created a file named "file" and changed its owner&group: [root@training group3]# ...
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1answer
865 views

Mac OS X ACL and file permissions

I'm trying to share a directory between 2 users, so that both have full access to it and to any files, and directories created within. Here are the things I've done so far: Create a group for the 2 ...
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1answer
262 views

Why aren't these ACLs working?

I'm trying to set ACLs so that the user and group of new files and directories created in the web server directory are owned by the www-data user. I have the exact same ACL on another server and they ...
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1answer
87 views

Let a user to run a command as a member of a group he does not belong to, using `sudoers`

How can I let a user U to run a command /usr/bin/C as a member of a group G (while he does not belong to the group G), using sudoers on Debian Wheezy?
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2answers
157 views

How to make Apache obey to default ACL on Fedora 19?

I have set default ACL to allow me doing anything on newly written files. But Apache seems to ignore that, and I don't have access to newly created files. How to fix that?
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1answer
116 views

Wake-On-LAN and Access Control List with Mac over Internet

I am researching the best way to wake my computer through a firewall over the internet remotely (the computer to be woken is a Mac). Through external research, I have seen that I should be able to ...
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1answer
113 views

What is the difference between the read-only attribute and the access control list read-only flag on Windows?

I'm looking for a technical answer, not a general answer, pertaining to how Windows actually handles these properties. For example, there are some programs that recognize the read-only attribute and ...
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2answers
298 views

Restrict access to a folder by EXE

Is it possible in Windows 7 to restrict which EXEs can access a certain folder? Let's imagine I have a folder (c:\myfolder) with some data files that can only be opened by a certain EXE. For ...
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278 views

Prevent copying from specific network locations [duplicate]

A tad unusual question! I need to prevent users from copying (via Ctrl+C / Ctrl+V, Drag+Drop, Edit>Copy / Edit>Paste) from a folder on the local machine. I won't go into details of why, as it's ...
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1answer
186 views

rsync bullies destination ACLs for fun

I have the following ACLs configured on a directory (.ssh) at the destination of my rsync: # file: .ssh # owner: jsmith # group: jsmith user::rwx user:backup:r-x group::--- group:backup:r-x mask::r-x ...
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1answer
934 views

users not found in /etc/passwd

I login to a linux box with username user1 and my home folder is in /home. There is another user named user2 that has its home directory in /opt/data/folder. If I want to check the list of users I ...
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1answer
492 views

FTP, CentOS and SELinux Permissions

I am trying to use vsftpd to allow a user to ftp in and edit files in /var/www/html where most files are owned by apache. So far I have used setsebool to enable system wide ftp, and I've also used ...
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153 views

What's the “all other users” for folder security?

How do I add all other users to this: In the "Enter the object names to select (examples)" field.
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112 views

access control list share file but not directory RHEL6

I have a file that I want to be accessible by a single user, but I don't want the user to have access to the folder it resides in. My understanding is that the following steps should work, but they ...
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1answer
418 views

Permissions Error Time Capsule (can't rsync owned by root:wheel group)

So, I had just flat out erased my Time Capsules 2TB drive and began running a sync script I wrote alongside a Time Machine Backup. They both have been running for over a day without a hitch, but out ...
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432 views

How do I restore Windows ACL to default?

A few months ago I got my computer, and instead of sticking with the preinstalled Windows 7 Home Premium and OEM stuff I decided I want a clean install from a DreamSpark disc. At the time I also ...
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2answers
1k views

How to copy Time Machine volume to another disk using rsync while preserving ACLs?

Recently I had to change my Mac's filesystem from case-preserving to being fully case-sensitive. I did that by using CCC and copying data to another disk, then returning back to newly formatted main ...