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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12 views
Access Control Lists & DHCP
Please take a look at this image right here.
In the image above you can see a virtual netwerk simulation program (CISCO Packet Tracer 6.0) where I'm trying to setup a network and secure it.
However ...
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13 views
How to setup a working ACL [closed]
I've been trying to figure out what these ACL's do...
I'm pretty new to all of this and experimenting.
I've added a host to access-list 1 and set it so it denies packets.
However, when testing out, ...
1
vote
1answer
29 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 ...
3
votes
2answers
47 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 ...
0
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0answers
38 views
Prevent copying from specific network locations
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 ...
0
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0answers
32 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
...
0
votes
1answer
63 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 ...
1
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1answer
176 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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2answers
54 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.
2
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0answers
34 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 dont want the user to have access to the folder it resides in, my understanding is that the following steps should work, but they ...
0
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1answer
178 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 ...
2
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0answers
99 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 ...
2
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0answers
94 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 ...
1
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1answer
94 views
changing ntfs permissions for Windows internal usage, from linux
Troubleshooting an Windows 7 installation. One tactic is to increase permissions on files/directories ACL's (access control lists) for windows, from within windows, so all system data and drivers etc ...
0
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1answer
99 views
Understanding chmod and setfacl
I have a file that I think I should be able to execute. It shows these permissions with ls -lah:
-rw-rwxr--+ foo foo-group
And these with getfacl myfile:
# file: app/console
# owner: foo
# group: ...
0
votes
1answer
66 views
ACLs vs group permissions in linux
I would like to allow a set of students to access a shared web-server. Students work in groups, and each group's home directory contains a www folder that should be accessible to the shared instance ...
0
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1answer
1k views
Windows 8 permissions
I am having this really weird problem with Windows 8 where it won't let me edit or save to my program files folder in my C: drive. It keeps telling me access is denied, even when I have taken ...
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0answers
59 views
Backup issue - Avoiding Windows 7 and 8 asking me to click Continue to permanently get access to folder
I'm in the Administrators group. When I try to access some folders for the first time (example: c:\Users\Whoever\Desktop) then I get the message:
"You don't currently have permission to access ...
1
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1answer
480 views
Is there a way to allow users to install a specific program without opening full admin rights?
We have an automated builder that creates a "setup.exe" installer file which can then be downloaded by users in our organisation for QA testing. They download the file via a browser from a ...
0
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0answers
79 views
Using chmod -b to remove ACLs but leave perms unchanged
By using chmod -b on my Isilon cluster I can remove ACLs. However, I'd like to remove all ACLs from a directory tree, leaving all permissions intact. So,
#chmod -b -R (no mode set) /foo/bar
This ...
0
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0answers
250 views
SAMBA and Linux ACLs — “Permission denied” on write to share but file written nevertheless
I set up a writable share directory "/home/net/share" with acl like this:
sudo mkdir -p "/home/net/share"
sudo setfacl -m "u:localuser:rwx,u:remoteuser:rwx,g:users:rwx" "/home/net/share"
My ...
0
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1answer
572 views
Use icacls to make a directory read-only on Windows 7
I'm attempting to test some filesystem exceptions in a Java based application.
I need to find a way to create a directory that is located under %TMP% that is set to read-only.
Essentially on ...
1
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1answer
394 views
How to add full username to a list returned by get-acl?
I want to prepare a list of persons having access to a given folder. The list should also contain the level of access granted. I figured out the following powershell command:
Get-Acl ...
0
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1answer
97 views
How can I set the default permissions for new files in a directory?
I have a local directory /var/foo
I'd like it so that any file created in here can be read and written by any user (and any directory can be rwx).
I've tried chacl -b u::rwx,g::rwx,o::rw- ...
0
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1answer
361 views
How to let directories inherit the sticky bit and set different default ACLs for directories and files?
First problem: Is it possible to have the sticky bit on directories being inherited for newly created subdirectories?
Second problem: How can I set different default ACLs for directories and files, ...
2
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0answers
38 views
Mercurial ACL Groups causing 502 error
am setting up my mercurial repo using the ACL extension. When I configure the ACL.deny section I am trying to deny a specific group of users. When blocking them individually ACL works as intended and ...
0
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1answer
666 views
Access Control List ACL to Limit an Account
How do I create an ACL in Windows 7 that prevents a public account (called Users) on our Media PC from being able to Read/Write to a particular folder while still allowing me to connect to it over our ...
3
votes
2answers
1k views
Why do you need execute permission on the parent directory to rename a file
On Linux/Unix file-systems, I understand the reason why you need the execute permission on the parent folder to read or write a file: the execute permission gives you access to the inode on the file, ...
5
votes
3answers
484 views
How can I add a user from Windows 8 to an ACL on Windows 7?
The title pretty much says what I want to do.
I have a dual-boot setup with Windows 7 and Windows 8. Is there an easier way of doing this? I do not want to takeown the files, just add a user (or two) ...
6
votes
2answers
453 views
Windows with Full Control to Everyone for Everything
Similar to sudo chmod -R 777 /, but for Windows 7. A customer decided he hated the prompts for administrators to continue, so he gave himself Full Control for the Everyone group on Windows 7. Now, ...
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0answers
168 views
ACL is not working for SharePoint OSX Lion
I am trying to share iTunes folder. And adding some user as ACL, for being able to connect to that share over SMB (Windows).
Music folder, (one level higher,than iTunes) . Doesn't have that ACL,and ...
0
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1answer
684 views
run 'net user' command as administrator
I was writing a simple batch file with the following command
net user Abhi *
where Abhi is my username and I am the administrator of my computer. On execution, it prompts for a password and then ...
0
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1answer
64 views
Delete facl for unnamed user
I accidentally setfacl's for an empty user so that all of my facl's have an unnamed user at the top:
# file: test.txt
# owner: friend
# group: kevinburke
user::rw-
user:friend:rwx
user:kevinburke:rwx
...
0
votes
1answer
232 views
How to create an ACL list on Ubuntu
We are a few people working in an office on a server via SFTP. We all work on the same files so it would be great if we had, by default, read/write access by default on some folders.
For example, ...
2
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0answers
337 views
File permissions issue with an NFSv4 share, uploaded from a Mac Lion
I have an NFSv4 share that was working fine, with Macs using Snow Leopard, to share files across the network. The NFS share has one cloned user/group that all clients autoconnect as. All files ...
4
votes
1answer
944 views
find files with ACLs set
How can I find all files with some extended ACLs set, i.e. those with a little + at the end of the permission flags shown by ls -l.
I could not find a corresponding flag for find. My naive approach ...
4
votes
5answers
317 views
Deny access to Network Adapter in Windows
I have set up a maintenance Network via OpenVPN. However, when I log into a computer (e.g. via remote desktop) and someone else is using it at the same time I have either to accept that she is able to ...
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2answers
219 views
cygwin can bypass windows xp acls?
How is cygwin able to bypass Windows XP ACLS? In the following example, cmd.exe cannot create a file in a directory but bash can. What gives?
C:\WINDOWS\Temp>mkdir noaccess
...
0
votes
1answer
370 views
using setfacl to give access to another user without giving access to a group
I have a user that I use for backup, and I use setfacl to give that user access to files. However, setfacl changes the base ACL entry for group and some applications require that the base ACL entry ...
7
votes
3answers
357 views
Where does the file owner on Windows matter, seeing that there are ACLs?
Coming from a Linux background, I'm used to a file having an owner, and a owning group. Access permissions can be set separately for owner, group, and others, and that's it.
Now on (NT-based) ...
0
votes
5answers
2k views
Cannot remove files on Windows
I've got some files that I wish to delete. They are on a local hard drive. This hard drive has never been near any other operating system. I am the administrator, and the only administrator, for this ...
0
votes
1answer
308 views
windows 7 restrict file access
If I want to restrict the access of a folder to myself only, and considering I am the owner, can I leave the Users and Everyone groups in the ACL or do I have to remove them ?
If I remove these ...
0
votes
2answers
1k views
Make file undeleteable but accessable
Iam having a problem with denying current user from deleting file on desktop.
I tried to use icacls with:
icacls file /grant:r %username%:(X,AD,WD,RD)
from site but it didnt help
I tried to deny ...
0
votes
1answer
215 views
How do you set the default user in Linux for file creation?
I want to create a directory, for example:
/public/all
But I want it so that if you create a file in all, the owner is root, but anyone with access to the /public/all folder can delete/edit/etc the ...
8
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2answers
1k views
NTFS Permissions - SYSTEM
Are there any possible side effects to removing permissions for SYSTEM on an NTFS directory? It is a non-system (user documents) folder. I know the obvious (i.e., that SYSTEM will no longer to be able ...
4
votes
3answers
2k views
NTFS Permissions - Folders and subfolders
Quick scenario on a local Windows system.
Drive E: is formatted with NTFS has the following layout and permissions:
E:\ (JohnDoe)
E:\folder (Administrator)
...
2
votes
1answer
188 views
Using the command “id” in Linux?
I have some doubts with the use of the command id in Linux...
I have added one user(andre) to the group "github-total", do if I do id andre I got:
$ id andre
uid=500(andre) gid=500(andre) ...
0
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2answers
320 views
Linux - How to get Filesystem ACL to allow group to have permission to folder
I'm a little confused on how to get this working.
I have ACL working and I need to create two goups:
github-total: group that the users in that group have permissions to the folder "/var/git" to ...
1
vote
1answer
370 views
How to get ACL to allow group to have permission to folder
I'm a little confused on how to get this working.
I have ACL working and I need to create two goups:
github-total: group that the users in that group have permissions to the folder "/var/git" to ...
1
vote
1answer
139 views
Setting ACL for a temporarily mounted directory
I wanted to set ACL for a directory. For that it is important that the device should be mounted as acl on that directory.
But I do not want to add the acl mount in /etc/fstab. So I am tempoararily ...
